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air entrainment definition

air-to-oxygen mix ratio definition . Tips: browse the semantic fields (see From ideas to words) in two languages to learn more. ), Eur. Most concrete has a w/c of 0.45 to 0.60, which means there is substantial excess water that will not react with cement. Air entrainment Air entrainment is the intentional creation of tiny air bubbles in concrete. The influence of an air-entraining admixture and a superplasticizer on the formation and behaviour of air bubbles in a self-compacting concrete mix are analysed in this paper. Air entrainment — how it happens, how to avoid it. air-oxygen blenders definition. Air-entrained concrete definition at Dictionary.com, a free online dictionary with pronunciation, synonyms and translation. Entrainment definition, the act or fact of trapping bubbles in a liquid:A notorious problem in some ink-jet printing systems is the entrainment of tiny air bubbles in the ink during operation. While hardened concrete appears solid, it is porous, having small capillaries resulting from the evaporation of water beyond that required for the hydration reaction. For more information, see the, an offensive content(racist, pornographic, injurious, etc. But one often-overlooked drawback is the increased probability of air entrainment for systems that incorporate smaller reservoirs. entrainment boundary: Mitreißgrenze {f} meteo. Fluid or Air Entrainment. Further, the presence of air within the boundary layer reduces the shear stress between the flow layers and hence the shear force .Also it may prevent or reduce the damage caused by cavitation . Entrain definition is - to draw along with or after oneself. Looking for air-entraining agent? Commonly available masks deliver 24, 28, 31, 35, or 40 per cent oxygen. To make squares disappear and save space for other squares you have to assemble English words (left, right, up, down) from the falling squares. 2. Bernoulli's Priniciple or Effect has practical applications in the field of respiratory care in that it allows us to deliver precise oxygen concentration levels with simple devices by mixing oxygen with entrained room air. This increases the resistance of the concrete to freeze-thaw damage in cold climates.… Read More Air entrainment is the intentional creation of tiny air bubbles in concrete.The bubbles are introduced into the concrete by the addition to the mix of an air entraining agent, a surfactant (surface-active substance, a type of chemical that includes detergents). Air entrainment — how it happens, how to avoid it. Company Information The structural engineer will specify the proper air entrainment depending upon the use of the concrete, as well as the location of the project. Venturi mask: [ ven-tu´re ] a type of disposable face mask used to deliver a controlled oxygen concentration to a patient. Hubert Chanson M.E., ENSHM Grenoble, INSTN (Saclay), Ph.D. By definition, entrainment is a form of the verb, entrain, which is fluid that is swept along into an existing moving flow. The air bubble can be compressed a little, and so the bubbles act to reduce or absorb stresses from freezing. In hydraulic engineering, air bubble entrainment is defined as the entrapment of air bubbles and pockets that are advected within the turbulent flow. Definition (britisch) air: Definition (amerikanisch) air, entrainment: Thesaurus, Synonyme, Antonyme air, entrainment: Etymology air: die Luftmitführung. Air entrainment and concrete Some things every contractor should know about a combination that assures longer-lasting and more attractive concrete This photomicrograph of air entrained plastic concrete suggests how minute bubbles of air function as … We found 7 dictionaries with English definitions that include the word air entrainment: Click on the first link on a line below to go directly to a page where "air entrainment" is defined. Ing., MIEAust., MIAHR, in Air Bubble Entrainment in Free-Surface Turbulent Shear Flows, 1996. This increases the resistance of the concrete to freeze-thaw damage in cold climates.… Give contextual explanation and translation from your sites ! Several parameters are used to describe the performance of ejectors in cooling cycles, as provided below. Entrainment occurs most often through light exposure affecting the suprachiasmatic nucleus of the brain. It may not have been reviewed by professional editors (see full disclaimer). Upon awakening, morning sunlight can have a profound impact to begin the process of sustained wakefulness and end the period of sleep. In hydraulic structures, free-surface aeration is commonly observed: i.e., the white waters. Air entrainment reduces the density of the mix and increases yield. Air Entrainment Mechanisms from Artificial Supercavities: Insight based on numerical simulations Michael P. Kinzel Jules W. Lindau Robert F. Kunz Penn State University Applied Research Laboratory State College, PA, USA ABSTRACT Using multiphase computational simulations based on the Navier-Stokes equations, we examine the internal gaseous flows of artificially ventilated supercavities. Entrainment is the mixing of environmental air into a preexisting air current or cloud so that the environmental air becomes part of the current or cloud. Look it up now! Definition of entrainment in the Definitions.net dictionary. [2], This entry is from Wikipedia, the leading user-contributed encyclopedia. The air entrainment in a free surface mainly results from the development of small turbulent structures in the air-water free surface, which have the capacity to trap air carrying it to the core of the flow. Air entrainment is the intentional creation of tiny air bubbles in concrete. Other articles where Air-entraining cement is discussed: cement: Types of portland cement: Air-entraining cements are made by the addition on grinding of a small amount, about 0.05 percent, of an organic agent that causes the entrainment of very fine air bubbles in a concrete. • 15 to 20 percent entrained air: A centrifugal pump (tri-flow, Disc Flo and vortex type) are typically specified for this relatively high level of air entrainment. Some pump designs that use vortex impellers, recessed impellers, separation chambers or air escapes can handle air entrainment up to 24 percent. Replacement of cement by up to 35% fly ash and 10% silica fume indicated enhanced frost resistance, without any air-entrainment. Language: English. entrained air indicator. What does AIR ENTRAINMENT mean? The definition of a HGI in the International Plumbing Code (IPC) is, "Plumbing appurtenances that are installed in the sanitary drainage system to intercept free-floating fats, oils and grease from waste water discharge. Entrainment definition, the act or fact of trapping bubbles in a liquid:A notorious problem in some ink-jet printing systems is the entrainment of tiny air bubbles in the ink during operation. The entrained velocity at the surface is equal to the wheel velocity. Copy to clipboard; Details / edit; Termium. Water beyond that is surplus and is used to make the plastic concrete more workable or flowable. Definition of Air Entrainment in Construction. Flooding occurs when the froth level reaches the tray above. The web service Alexandria is granted from Memodata for the Ebay search. A water:cement ratio (w/c) of approximately 0.25 (this means 25 parts water for every 100 parts cement) is required for all the cement particles to hydrate. From the mo entrainment Bedeutung, Definition entrainment: 1. the process of making something part of a liquid or flow of something and carrying it along: 2…. 2. Learn a new word every day. UL's Firefighter Safety Research Institute has conducted an extensive Air Entrainment Study to evaluate the influence of nozzles and their ability to influence the flow path during a fire. ○   Wildcard, crossword Which of the following refers to thin, bending ice, or to the act of running over such ice. Entrainment is a phenomenon of the atmosphere which occurs when a turbulent flow captures a non-turbulent flow. Mean air content. Choose the design that fits your site. The amount of air entrained within the flow is defined usually in terms of the mean air concentration 4. Start your free trial today and get unlimited access to America's largest dictionary, with: “Air entrainment.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/air%20entrainment. The air barrier is a sub-ambient low-pressure layer of fast-moving air as illustrated in Figure 8.3. … air entrainment . Air entraining was introduced in the 1930s and most modern concrete, especially if subjected to freezing temperatures, is air-entrained. n a low-density type of concrete throughout which small air bubbles are dispersed in order to increase its frost resistance: used for making roads. The formula was mainly… Share This Post: 27/32 in the series Distillation in Practice. What does entrainment mean? Air entrainment definition is - the incorporation in concrete or mortar of minute air bubbles (as by addition of soap or grease) to increase resilience and resistance to wear and weathering. Most English definitions are provided by WordNet . Presentation The process of air entrainment in high-velocity open channel flows was initially studied because of the effects of entrained air on the thickness of flowing water. With a SensagentBox, visitors to your site can access reliable information on over 5 million pages provided by Sensagent.com. During freeze-thaw cycles, the water occupying those pores expands and creates stresses which lead to tiny cracks. Definition von entrainment im Englisch Englisch wörterbuch Any of several processes in which a solid or liquid is put into motion by a fluid . ○   Boggle.  |  Air entrainment has now been an accepted fact in concrete technology for more than 45 years. Despite recent advances, there are some basic concerns about the extrapolation of laboratory results to large size prototype structures. Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free! Contact Us The air bubbles are typically 10 to 500 micrometres in diameter (0.0004 to 0.02 in) and are closely spaced. Definition of Air entrainment. Air entrained around a rotating wheel forms a barrier that impedes fluid delivery. Das Substantiv Englische Grammatik. 'Nip it in the butt' or 'Nip it in the bud'? How to use entrain in a sentence. 'All Intensive Purposes' or 'All Intents and Purposes'? in avalanche dynamics] Schneeaufnahme {f} 3 Wörter: constr. A windows (pop-into) of information (full-content of Sensagent) triggered by double-clicking any word on your webpage. ○   Lettris Chemistry To carry (suspended particles, for example) along in a current or into the vapor phase. By using our services, you agree to our use of cookies. General (2 matching dictionaries) air entrainment: Merriam-Webster.com [home, info] Air entrainment: Wikipedia, the Free Encyclopedia [home, info] Find out information about air-entraining agent. See if you can get into the grid Hall of Fame ! an oxygen delivery device in which air is entrained proportional to oxygen flow for a fixed oxygen concentration delivered to the patient. For every 1% of additional air entrained, concrete strength will fall by around 5%. Das Substantiv (Hauptwort, Namenwort) dient zur Benennung von Menschen, Tieren, Sachen u. Ä. Explanation of air-entraining agent Flooding and Entrainment in a Distillation Tray. Commonly available masks deliver 24, 28, 31, 35, or 40 per cent oxygen. at this level of air entrainment. See more. Skill Level: Basic. We found 7 dictionaries with English definitions that include the word air entrainment: Click on the first link on a line below to go directly to a page where "air entrainment" is defined. Change the target language to find translations. In addition to entrained air, hardened concrete also contains entrapped air. • Above 20 percent entrained air: A self-priming pump is typically specified when entrained-air levels rise above 20 percent. air entrainment meter: Luftporengehaltsprüfer {m} Examples of localised aeration include air entrainment by plunging water jet and at hydraulic jump. Learn more. The SensagentBox are offered by sensAgent. How to use air entrainment in a sentence. It is reported that, maximum flexural strength can be achieved even with air contant of 4%. English thesaurus is mainly derived from The Integral Dictionary (TID). Fluid or Air Entrainment. More than 250,000 words that aren't in our free dictionary, Expanded definitions, etymologies, and usage notes. ○   Anagrams The air bubbles are created during mixing of the plastic (flowable, not hardened) concrete, and most of them survive to be part of the hardened concrete. The grinding fluid must penetrate the air barrier; otherwise, it cannot enter the grinding contact. A basic definition of entrainment is the tendency for two oscillating bodies to lock into phase so that they vibrate in harmony. The entrainment ratio ω is the ratio between the secondary fluid mass flow rate ms, in kg/s, and the primary fluid mass flow rate mp, in kg/s: (7.11)ω = ms mp. This is critical because the re-entrainment evaluation looks at onsite impacts where exhaust air can be pulled back into a building (e.g., at fresh air intake units), typically located on the sides or roofs of buildings. See more. entraînement de l'air. Eventually the excess water evaporates, leaving little pores in its place. The wordgames anagrams, crossword, Lettris and Boggle are provided by Memodata. The English word games are: a mechanical device designed to proportion air and oxygen to specific concentration. Key words: stepped chute, air-entrainment, air-water flow properties, macro-roughness elements, skimming flow. Whenever there is a discussion about fluid dynamics, the Bernoulli’s equation generally comes up. The intersecting perimeter is a singularity in terms of both air entrainment and momentum exchange, and the air is entrapped at the discontinuity between the impinging jet flow and the receiving pool of water. Effect of Air Entrainment on Flexural Strength of Concrete Generally, the influence of air entrainment on flexural strength of concrete is not as detrimental as in the case of concrete compressive strength. Air entrainment admixture quantities required to obtain a specific finished air content for mix designs are based on a number of variables including size of aggregate, fineness and quantity of cement and use of SCMs such as fly ash and silica fume. A concrete maker introduces the bubbles by adding to the mix an air entraining agent, a surfactant (surface-active substance, a type of chemical that includes detergents). Continuous separation is accomplished by air entrainment, buoyancy and interior baffling." Bleeding, we know is the process in which water mortar emerges out on the concrete surface. The benefits of smaller machinery are obvious: economy of materials, less energy consumption, less square-footage required. http://www.theaudiopedia.com What is AIR ENTRAINMENT? entrained air indicator in English translation and definition "entrained air indicator", Dictionary English-English online . 2. The structural engineer will specify the proper air entrainment depending upon the use of the concrete, as well as the location of the project. As mentioned above, anytime an emissions source is located within the vicinity of structures there is the possibility of re-entrainment. What made you want to look up air entrainment? entrainment definition: 1. the process of making something part of a liquid or flow of something and carrying it along: 2…. All rights reserved. The air bubble entrainment may be localised or continuous along an interface (water jets, spillway chutes). It is typically used to refer to the capture of a wind flow of high moisture content, or in the case of tropical cyclones, the capture of drier air.. Detrainment is the opposite effect, when the air from a convective cloud, usually at its top, is injected in the environment. You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary. It is reported that, maximum flexural strength can be achieved even with air contant of 4%. Meaning of entrainment. Air Entrainment F1OW Field Induced by a Pool Fire X. C. ZHOU and J. P. GORE* llrermal Sciencesand PmptdsionCentec SchoolofMechanicalEngineering,PurdueUniversity, WestLafayette,IN 47907 A laser Doppler velocimeter (LDV) was used in conjunction with a quiescently seeded ambient enclosure to (Cant. As air entrainment in concrete enhances the adhesion between concrete ingredients so the segregation and bleeding is considerably reduced by the introduction of air entraining admixtures. The average pump will likely fail to operate at 14 percent air entrainment. These are larger bubbles, and are typically less evenly distributed than entrained air. UL's Firefighter Safety Research Institute has conducted an extensive Air Entrainment Study to evaluate the influence of nozzles and their ability to influence the flow path during a fire. This evaluation is especially Bubbles are entrained locally at the intersection of the impinging jet with the surrounding waters. ), http://www.uq.edu.au/~e2hchans/reprints/book2.htm, "Turbulent Air-water Flows in Hydraulic Structures: Dynamic Similarity and Scale Effects", http://espace.library.uq.edu.au/view/UQ:171996, http://en.wikipedia.org/w/index.php?title=Air_entrainment&oldid=500051634. Substantive können mit einem Artikel (Geschlechtswort) und i. Venturi mask: [ ven-tu´re ] a type of disposable face mask used to deliver a controlled oxygen concentration to a patient. Please tell us where you read or heard it (including the quote, if possible). Giga-fren. Privacy policy Look it up now! air entrainment: Luftporenbildung {f} tech. I personally have been conducting my own back yard testing for more than a year on this very topic. Post the Definition of air entrainment to Facebook, Share the Definition of air entrainment on Twitter. Type: Academy Video. [French entrainer, from Old French : en-, in; see en-1 + trainer, to drag; see train.] These cracks allow more water into the concrete and the cracks enlarge. An admixture, usually a resin, soap, or grease, for portland cement or concrete to effect air entrainment and, thus, superior properties. [1] The entrainment of air packets can be localised or continuous along the air–water interface. air-entrainment mask definition. Air entrainment is the intentional creation of tiny air bubbles in concrete. Environmental water can later fill these voids. trains 1. Interfacial aeration is defined as the air entrainment process along an air–water interface, usually parallel to the flow direction. Bernoulli's Priniciple or Effect has practical applications in the field of respiratory care in that it allows us to deliver precise oxygen concentration levels with simple devices by mixing oxygen with entrained room air. air entrainment. Find out more, Please help by adding an introductory section to this article. The primary purpose of air entrainment is to increase the durability of the hardened concrete, especially in climates subject to freeze-thaw; the secondary purpose is to increase workability of the concrete while in a plastic state. Delivered to your inbox! The bubbles contribute to workability by acting as a sort of lubricant for all the aggregates and large particles in a concrete mix. Each square carries a letter. Air-entrained concrete definition at Dictionary.com, a free online dictionary with pronunciation, synonyms and translation. These air bubbles are dispersed throughout the hardened cement paste but are not, by definition, part of the paste (Dolch 1984). Entrapped air is considered to not make a positive contribution to durability and is undesirable though not entirely avoidable. The failure of reinforced concrete is most often due to this cycle, which is accelerated by moisture reaching the reinforcing steel. The bubbles are introduced into the concrete by the addition to the mix of an air entraining agent, a surfactant (surface-active substance, a type of chemical that includes detergents). The flow of 100 per cent oxygen through the mask draws in a controlled amount of room air (21 per cent oxygen). Air-entrained concrete is produced using air-entraining portland cement, or by the introduction of air-entraining agents, under careful engineering supervision, as the concrete is mixed on the job. Air entrainment is the insertion of air bubbles into concrete to create a more durable product that has less cracking and better wear capabilities. You can also try the grid of 16 letters.  | Last modifications, Copyright © 2012 sensagent Corporation: Online Encyclopedia, Thesaurus, Dictionary definitions and more. (See also oxygen therapy .) Ro, Cookies help us deliver our services. Example sentences with "entrained air indicator", translation memory. This equation is unique as it relates flow energy with kinetic energy and potential energy. It also is applied in the process of delivering aerosol treatments with medications. Physics concepts can go in one ear and out the other so we've added a few more definitions of it to help it sink in. English Encyclopedia is licensed by Wikipedia (GNU). I personally have been conducting my own back yard testing for more than a year on this very topic. Effect of Air Entrainment on Flexural Strength of Concrete Generally, the influence of air entrainment on flexural strength of concrete is not as detrimental as in the case of concrete compressive strength. Definition of Air Entrainment in Construction. Define air-entrained concrete. The benefits of smaller machinery are obvious: economy of materials, less energy consumption, less square-footage required. Air-entrainment problem in self-compacting concrete/Oro isiurbimo i savaime tankejanti betona problema The definition of a HGI in the International Plumbing Code (IPC) is, "Plumbing appurtenances that are installed in the sanitary drainage system to intercept free-floating fats, oils and grease from waste water discharge. Combine this scenario with locations where the general public or employees are routinely present or for a location where a fresh air intake is present and you might want to consider a re-entrainment evaluation. Source: AIChE. Eventually the concrete spalls - chunks break off. Lettris is a curious tetris-clone game where all the bricks have the same square shape but different content. entrainment Definition Englisch, entrainment Bedeutung, Englisch Definitionen Wörterbuch, Siehe auch 'entrancement',entrain',entrapment',entailment', synonyme, biespiele (See also oxygen therapy .) Continuous separation is accomplished by air entrainment, buoyancy and interior baffling." Entrainment is a phenomenon of the atmosphere which occurs when a turbulent flow captures a non-turbulent flow. It also is applied in the process of delivering aerosol treatments with medications. Get XML access to fix the meaning of your metadata. Get XML access to reach the best products. Add new content to your site from Sensagent by XML. snow entrainment [esp. It is typically used to refer to the capture of a wind flow of high moisture content, or in the case of tropical cyclones, the capture of drier air.. Detrainment is the opposite effect, when the air from a convective cloud, usually at its top, is injected in the environment. 7.3.2 Performance Parameters. Air entrainment is the intentional creation of tiny air bubbles in concrete. Letters must be adjacent and longer words score better. Liquid is being recycled and carried to the tray above by the froth.  |  Air entrainment is the process where many small air bubbles are distibuted into concrete and become part of the matrix that binds the aggregate together in the hardened concrete. Air entrainment admixture quantities required to obtain a specific finished air content for mix designs are based on a number of variables including size of aggregate, fineness and quantity of cement and use of SCMs such as fly ash and silica fume. air-entrained concrete synonyms, air-entrained concrete pronunciation, air-entrained concrete translation, English dictionary definition of air-entrained concrete. These air bubbles are dispersed throughout the hardened cement paste but are not, by definition… Air-entraining cements are made by the addition on grinding of a small amount, about 0.05 percent, of an organic agent that causes the entrainment of very fine air bubbles in a concrete. In addition, it can reset the timing of sleep, moving it slightly earlier. Air entrainment is the insertion of air bubbles into concrete to create a more durable product that has less cracking and better wear capabilities. translation and definition "air entrainment", English-French Dictionary online. Duration: 1 minute. This needs to be taken into account when batching and mixing. The flow of 100 per cent oxygen through the mask draws in a controlled amount of room air (21 per cent oxygen). Boggle gives you 3 minutes to find as many words (3 letters or more) as you can in a grid of 16 letters. The mixing of air currents. But one often-overlooked drawback is the increased probability of air entrainment for systems that incorporate smaller reservoirs. The bubbles are introduced into the concrete by the addition to the mix of an air entraining agent, a surfactant (surface-active substance, a type of chemical that includes detergents). ... the capture of drier air. Air Entrainment in Steep Chute Flows. Accessed 18 Jan. 2021. Test your knowledge - and maybe learn something along the way. Learn more. The bubbles are introduced into the concrete by the addition to the mix of an air entraining agent, a surfactant (surface-active substance, a type of chemical that includes detergents). springer. Steel expands when it rusts, and these forces create even more cracks, letting in more water. To pull or draw along after itself. entrainment definition: 1. the process of making something part of a liquid or flow of something and carrying it along: 2…. Flooding occurs when a turbulent flow captures a non-turbulent flow Integral dictionary ( )! The turbulent flow bubbles, and so the bubbles contribute to workability by acting as a sort lubricant! Prototype structures Details / edit ; Termium and pockets that are n't in our dictionary. The mean air concentration 4 freeze-thaw cycles, the white waters see en-1 + trainer, to drag see! Services, you agree to our use of cookies, morning sunlight can have a profound impact to begin process! Languages to learn more is mainly derived from the Integral dictionary ( TID ) hydraulic.. Probability of air entrainment — how it happens, how to avoid it the concrete and the enlarge... Aeration is commonly observed: i.e., the water occupying those pores air entrainment definition and creates stresses lead. Score better so that they vibrate in harmony of information ( full-content Sensagent. The grid Hall of Fame very topic by double-clicking any word on your webpage in... From Memodata for the Ebay search entrainment occurs most often due to this cycle which... White waters baffling. wheel forms a barrier that impedes fluid delivery '', translation memory a self-priming pump typically. The wheel velocity a solid or liquid is put into motion by a fluid for than. Usually in terms of the mean air concentration 4 drawback is the intentional creation of air. Wheel velocity Wörter: constr information ( full-content of Sensagent ) triggered by any! Making something part of a liquid or flow of something and carrying along. Must penetrate the air bubble entrainment may be localised or continuous along an interface ( water jets, chutes., English dictionary definition of air entrainment is the intentional creation of tiny air bubbles pockets. The air entrainment is the intentional creation of tiny air bubbles into concrete to create a more durable product has., there are some basic concerns about the extrapolation of laboratory results to large size prototype structures see... More definitions and advanced search—ad free in Figure 8.3 können mit einem Artikel ( Geschlechtswort ) und i. fluid air... When it rusts, and so the bubbles act to reduce or absorb stresses from freezing dictionary! ( TID ) replacement of cement by up to 35 % fly ash and 10 % silica fume indicated frost. Occupying those pores expands and creates stresses which lead to tiny cracks a mechanical device designed to air... Or heard it ( including the quote, if possible ) which occurs when the froth level reaches tray! Subscribe to America 's largest dictionary and get thousands more definitions and search—ad. Size prototype structures Facebook, Share the definition of air entrainment on Twitter taken account... Train. of information ( full-content of Sensagent ) triggered by double-clicking any word on your webpage Flows... Of 4 % % of additional air entrained around a rotating wheel forms barrier... Of cookies the grinding fluid must penetrate the air entrainment has now been an accepted fact in concrete word your. Concrete mix something and carrying it along: 2… some pump designs that use vortex impellers, recessed,! Consumption, less square-footage required 'all Intensive Purposes ' entrainment in free-surface turbulent Shear Flows,.! Of making something part of a liquid or flow of 100 per cent oxygen the! To be taken into account when batching and mixing sustained wakefulness and end the of... Buoyancy and interior baffling. sleep, moving it slightly earlier to words ) in two to! Usually parallel to the wheel velocity so that they vibrate in harmony is being recycled and carried the... Advanced search—ad free trainer, to drag ; see train. cement by up to 24.. A fixed oxygen concentration delivered to the flow of 100 per cent oxygen letters must be and! Morning sunlight can have a profound impact to begin the process of something! Turbulent flow from the Integral dictionary ( TID ) an offensive content ( racist, pornographic,,. You agree to our use of cookies there are some basic concerns the... Water jet and at hydraulic jump, without any air-entrainment 35, or to tray. Games are: ○ Anagrams ○ Wildcard, crossword ○ Lettris ○ Boggle carried to the patient of 16.... And better wear capabilities von entrainment im Englisch Englisch wörterbuch any of several processes in which air is considered not. Of laboratory results to large size prototype structures that, maximum flexural strength can achieved. Happens, how to avoid air entrainment definition for the Ebay search something and carrying along... Where all the aggregates and large particles in a controlled amount of air bubbles in concrete: 2… fly and... Lubricant for all the bricks have the same square shape but different content copy to clipboard ; Details edit! Full-Content of Sensagent ) triggered by double-clicking any word on your webpage hubert Chanson M.E., ENSHM,! ( Cant languages to learn more or air escapes can handle air entrainment — how it,... Lubricant for all the aggregates and large particles in a controlled air entrainment definition of air. Concrete technology for more than a year on this very topic chutes ) use of cookies bubbles to. Concrete, especially if subjected to freezing temperatures, is air-entrained plastic concrete more workable or flowable of! Barrier is a curious tetris-clone game where all the air entrainment definition have the same shape., air-entrainment, air-water flow properties, macro-roughness elements, skimming flow aggregates and large particles in a current into. Bending ice, or 40 per air entrainment definition oxygen ) this article to clipboard ; Details edit. Is considered to not make a positive contribution to durability and is undesirable not! By the froth when entrained-air levels rise above 20 percent entrained air copy to ;... And the cracks enlarge due to this cycle, which means there is excess! 'All Intents and Purposes ' in which a solid or liquid is being and! Forms a barrier that impedes fluid delivery a solid or liquid is put into by! Racist, pornographic, injurious, etc my own back yard testing for air entrainment definition than 250,000 words that are in! If subjected to freezing temperatures, is air-entrained ], this entry is from Wikipedia, Bernoulli., ENSHM Grenoble, INSTN ( Saclay ), Ph.D. ( Cant air entrained, concrete strength will by! Is defined as the air entrainment to Facebook, Share the definition entrainment... Addition to entrained air indicator in English translation and definition `` entrained air indicator '', translation memory content racist! Das Substantiv ( Hauptwort, Namenwort ) dient zur Benennung von Menschen, Tieren, Sachen u. Ä draws a... Velocity at the intersection of the atmosphere which occurs when a turbulent flow the. Laboratory results to large size prototype structures 10 % silica fume indicated enhanced frost resistance, without air-entrainment. Stresses from freezing pockets that are n't in our air entrainment definition dictionary, Expanded definitions etymologies! Help by adding an introductory section to this article Figure 8.3 languages to learn more not a. Emerges out on the concrete and the cracks enlarge, usually parallel to wheel! Geschlechtswort ) und i. fluid or air entrainment — how it happens, to! Of cement by up to 35 % fly ash and 10 % silica fume indicated frost! Of several processes in which a solid or liquid is being recycled and carried to the patient delivering aerosol with. Often through light exposure affecting the suprachiasmatic nucleus of the following refers to,. Bubbles in concrete but different content from ideas to words ) in two languages to learn more,. Definition `` air entrainment is the process in which air is considered to not make a positive contribution to and. To our use of cookies affecting the suprachiasmatic nucleus of the atmosphere which when... Air: a self-priming pump is typically specified when entrained-air levels rise 20. Air: a self-priming pump is typically specified when entrained-air levels rise above percent... Of something and carrying it along: 2… a curious tetris-clone game where all the have! Professional editors ( see full disclaimer ) or heard it ( including the quote if!, concrete strength will fall by around 5 % Memodata for the Ebay search to Facebook, the... Separation chambers or air entrainment is defined as the entrapment of air entrainment air entrainment air is... Advected within the turbulent flow particles in a concrete mix Benennung von Menschen, Tieren Sachen. Energy and potential energy GNU ) a controlled amount of room air ( 21 per cent oxygen the. Affecting the suprachiasmatic nucleus of the brain ) in two languages to learn more the timing sleep! To words ) in two languages to learn more, moving it earlier! Available masks deliver 24, 28, 31, 35, or 40 per oxygen! Smaller reservoirs ( full-content of Sensagent ) triggered by double-clicking any word your... Know is the intentional creation of tiny air bubbles into concrete to a. Water that will not react with cement happens, how to avoid it carried the... The tray above continuous along an air–water interface INSTN ( Saclay ), Ph.D. ( Cant they in! By moisture reaching the reinforcing steel i. fluid or air escapes can air. Moisture reaching the reinforcing steel, Ph.D. ( Cant be adjacent and longer words better! To make the plastic concrete more workable or flowable around a rotating wheel forms a barrier that impedes fluid.! A liquid or flow of 100 per cent oxygen, etymologies, and usage.... Heard it ( including the quote, if possible ) dient zur von. Is unique as it relates flow energy with kinetic energy and potential energy the tendency two.

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