film boiling
Influences of Interfacial Shear in Turbulent Film Boiling on a Horizontal Tube with External Flowing Liquid
... Laminar film boiling on horizontal tubes has been widely discussed in published literature, and there is also some development on the researches of turbulent film ...turbulent film ...
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Oligomeric mechanism of film boiling elimination (EFB effect) during metal quenching in solutions of polyisobutylene in mineral oil
... It can be assumed that the alternating effect of the concentration of PIB 6,0·104 polymer additives is due to the adsorption of macromolecules or fragments of their thermomechanical destruction on the metal surface, the ...
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Heat Transfer Efficiency of Turbulent Film Boiling on a Horizontal Elliptical Tube with External Flowing Liquid
... laminar film boiling and turbulent film boiling, there was little publication about the turbulent film boiling on a horizontal elliptical tube which his high velocity liquid was ...
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Image Processing and Analysis of Vapor Bubbles nucleated in Thin Liquid Film Boiling.
... The BETA-B experiment visually observed the microhydrodynamics of 100μm thick thin liquid film boiling on a horizontal heater with saturated water supplied from the side under high heat fluxes at 10000fps. ...
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New Textile Structures and Film-Boiling Densification for SiC/SiC Components
... Concerning the Hexagonal Tube, studies have been performed on the very particular film-boiling process (Figures 3 and 4). The aim was to reduce the important densification time and cost, due to the quite ...
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Forced convection film boiling of subcooled water around a sphere
... liquid through the test section, a test section to contain the sphere, an induction heating unit to heat the sphere, a temperature rec.order and an optical pyrometer to measure temperatu[r] ...
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Grundzüge der Probleme auf dem Gebiet der Blasen- und- Filmverdampfung. EUR 2211. = Survey on problems in the field of nucleate boiling and film boiling. EUR 2211.
... EINLEITUNG Bei den verschiedenen Versuchen, die zur Erforschung der Wärmeüber tragung beim Sieden insbesondere des Überganges von der Blasen zur Filmverdampfung kritische Wärmebelast[r] ...
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Study of Mechanism of Quenching & Calculate the Cooling Rate of Quenching Oils by Quenching Instrument
... The three stages of quenching are given below: 1.1.1 Film Boiling The vapour stage is obtained when the hot surface of the heated test probe comes in contact with the liquid quenchant oi[r] ...
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RECENT PROGRESS ON EXPERIMENTAL RESEARCH OF CRYOGENIC TRANSPORT LINE CHILLDOWN PROCESS
... cryogenic boiling heat transfer addressing hydrogen, nitrogen and oxygen is given by Seader et ...pool boiling results cannot be correlated by a single line but cover a range of temperature difference for a ...
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Pecularities of quenching processes in pib solutions of soybean oil
... has a different opinion. He has showing the role of thermal insulation coatings, formed during the quenching process, on the value of heat flux density. It is well known that in vegetable oils the vapor film is ...
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Numerical Investigations of Quenching Cooling Processes for Different Cast Aluminum Parts
... Additional to the MMAT approach, a new approach for modeling the variable Leidenfrost temperature threshold is also presented during this work. As long as the surface temperature is above the Leidenfrost threshold, ...
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Development of a phase change model for volume-of-fluid method in OpenFOAM
... begin boiling and condensation ...two-dimensional film-boiling problem) and two condensation problems (a one-dimensional Stefan problem and filmwise ...
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Solidification induced thermoelastic fragmentation during FCI
... the film boiling regime, a comparison of figures (2a) and (2b) reveals that the solidification rate in convective condition is an order-of-magnitude lower than the perfect contact ...
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An Experimental Study of the Steel Cylinder Quenching in Water-based Nanofluids
... different boiling regimes corresponding to different regions of the boiling ...with film boiling and then transition boiling, nucleate boiling and natural convection, ...
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Austempering processes via cold liquids
... nucleate boiling when film boiling is absent and surface temperature of steel parts maintains at the level of boiling point of a liquid relatively a long time and never can be below ...
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Recycling and Reuse of Organo-sulfur Compounds from Barrels of Natural Gas Contaminated with Mercaptan Odorant
... tetrahydrothiophene (THT), tertiary butyl mercaptan (TBM), ethyl mercaptan (EM), and dimethyl sulfide (DMS). These sulfur compounds are strong poisons for reformer and fuel cell catalysts. Table 1 summarized the physical ...
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Accuracy of Eulerian–Eulerian, two-fluid CFD boiling models of subcooled boiling flows
... Overall, a 25 satisfactory predictive accuracy is achieved for some quantities of interest, such as the void 26 fraction and the turbulence and liquid temperature fields, but results are[r] ...
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Fundamental issues, mechanisms and models of flow boiling heat transfer in microscale channels
... liquid film distribution along the channel wall and micro-scale flow boiling ...liquid film distribution along the channel ...flow boiling is microscale behavior for the confinement number ...
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organic notes 2009
... Put the following organic compounds in order from highest boiling point to lowest boiling point. alcohol, alkane, alkene, aromatic, carboxylic[r] ...
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10 notes IMFS liquids and solids.docx
... points, boiling points, vapor pressures, ...the boiling point (or vapor pressure or melting point), the weaker the intermolecular attractions; the higher the boiling point, the stronger the ...
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