boiling heat transfer two phase flow and circulation

... INTRODUCTION Boiling heat transfer is defined as a mode of heat transfer that occurs with a change in phase from liquid to vapor There are two basic types of boiling: pool boiling and flow boiling Pool boiling ... transition and modeling The microscopic picture of the flow in the proximity of the heated wall can be BOILING HEAT TRANSFER AND TWO- PHASE FLOW described in terms of two- phase boundary-layer flow The ... Heat Transfer Equipment Diwekar, Batch Distillation: Simulation, Optimal Design and Control FORTHCOMING TITLES Tong and Tang, Boiling Heat Transfer and Two- Phase Flow, Second Edition BOILING HEAT...

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... Sasaki and Yuichi Sugai VII Preface The heat transfer and analysis on laser beam, evaporator coils, shell -and- tube condenser, two phase flow, nanofluids, and on phase change are significant issues ... electromagnetic radiation and convection The Two Phase Flow, Phase Change and Numerical Modeling proposed method solves simultaneously the heat equation for the three phases (solid, liquid and vapor), computing ... Chan and Yong Sheng Chua Chapter 14 Wettability Effects on Heat Transfer Chiwoong Choi and Moohwan Kim Chapter 15 Liquid Film Thickness in Micro-Scale Two- Phase Flow 341 Naoki Shikazono and Youngbae...

Ngày tải lên: 19/06/2014, 12:20

... Anlytical and Explicit and Implicit Methods of Solving One- 26 Two Phase Flow, Phase Change and Numerical Modeling Dimensional Transient Heat Conduction Problems WSEAS Transactions on Heat and Mass Transfer, ... mean temperature between air inlet and outlet Ac : total air side heat transfer area (14) 36 Two Phase Flow, Phase Change and Numerical Modeling Amin: minimum free flow area through which air passes ... junction between two tubes; the coordinates I and K indicate the direction of flow: incoming and destination, respectively The values of J(I,K) are: 38 Two Phase Flow, Phase Change and Numerical...

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... effect of water flow rate, while the shell-side heat transfer coefficient is 76 Two Phase Flow, Phase Change and Numerical Modeling influenced by the flow characteristic of refrigerant and tube arrangement ... of heat exchangers are many, including flow arrangement, tube size, geometric configuration, and inlet/outlet conditions on the water 62 Two Phase Flow, Phase Change and Numerical Modeling and ... [W/m2K], ht is the tube-side heat transfer coefficient [W/m2K], di and are, respectively, the inside and outside diameters of tubes 68 Two Phase Flow, Phase Change and Numerical Modeling [m],...

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... given heat input power, the evaporation heat transfer coefficient 106 Two Phase Flow, Phase Change and Numerical Modeling increases with the heat sink temperature, however, the condensation heat transfer ... of flow patterns, as Couette-Taylor flow or single and double vortex flow, can be created in a wide 92 Two Phase Flow, Phase Change and Numerical Modeling range of speed of rotation of inner and ... refrigerant outlet temperature, and (c) heat transfer rate 81 82 Two Phase Flow, Phase Change and Numerical Modeling References Allen, B., & Gosselin, L (2008) Optimal geometry and flow arrangement for...

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... Rullière, R., Pandraud, G & Lallemand, M (2008) Prediction of the Maximum Heat Transfer Capability of Two- Phase Heat Spreaders-Experimental Validation, International Journal of Heat and Mass Transfer, ... Thermophysics and Heat Transfer, Vol.11, No.2, pp 158-164 Cao, Y & Gao, M (2002) Wickless Network Heat Pipes for High Heat Flux Spreading Applications, International Journal of Heat and Mass Transfer, ... of Heat Transfer, Vol.121, pp 729-733 Launay, S., Sartre, V & Lallemand, M (2004) Hydrodynamic and Thermal Study of a Water-Filled Micro Heat Pipe Array, Journal of Thermophysics and Heat Transfer, ...

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... rad (26) 162 Two Phase Flow, Phase Change and Numerical Modeling where the dimensionless co-ordinate ≤ χ ≡ x/xrad ≤ and radiation level γrad ≡ R0xrad /qheat are introduced For δ/xrad and γrad large ... equation of heat transfer was numerically solved along a continuous caster, and results that are interesting from both the heat- transfer and the metallurgical points of view were presented and discussed ... Ironmaking and Steelmaking Vol 13, No 3, pp 138-153 148 Two Phase Flow, Phase Change and Numerical Modeling Won, Y-M, Kim, K-H, Yeo, T-J, & Oh, K (1998) Effect of Cooling Rate on ZST, LIT and ZDT...

Ngày tải lên: 19/06/2014, 12:20

... Heat and Mass Transfer, 46, 4657-4667 9 Recent Advances in Modeling Axisymmetric Swirl and Applications for Enhanced Heat Transfer and Flow Mixing Sal B Rodriguez1 and Mohamed S El-Genk2 1Sandia ... Visualization of heat transfer for impinging swirl flow Experimental Thermal and Fluid Science, 32, 182-191 Numerical Simulation of the Heat Transfer from a Heated Solidthe Heat Transfer from a Heated ... cannot be extrapolated from excavation related problems to heat transfer ones, and vice versa 190 18 Two Phase Flow, Phase Change and Numerical Modeling Will-be-set-by-IN-TECH Secondly, the...

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... Swirl and Applications for Enhanced Heat Transfer and Flow Mixing Fig 12 Impact of Re and θ on Azimuthal Velocity Field 203 204 Two Phase Flow, Phase Change and Numerical Modeling The single-jet ... Huang, L (1996) Heat Transfer and Flow Visualization of Conventional and Swirling Impinging Jets, Ph.D Diss., University of New Mexico Huang, L and El-Genk, M (1998) Heat Transfer and Flow Visualization ... 9th Ed., C Griffin and Co., London, UK 216 Two Phase Flow, Phase Change and Numerical Modeling Rivero, A., Ferre, J A., and Giralt, F (2001) Organized Motions in a Jet in Crossflow, J Fluid Mech.,...

Ngày tải lên: 19/06/2014, 12:20

... strength, and the triangle represents constant coupling strength) 252 Two Phase Flow, Phase Change and Numerical Modeling Fig.10 shows surface electron and phonon temperatures of the two layer ... Films Numer Heat Transfer A, Vol 40, No.1 (July 2001),pp 1-20, ISSN 10407782 254 Two Phase Flow, Phase Change and Numerical Modeling Chen J.; Tzou D.& Beraun J (2006) A Semiclassical Two- temperature ... 204, 4: 512 240 Two Phase Flow, Phase Change and Numerical Modeling For pulsed laser ablation of metals, the ultrafast heating mechanisms perform great disparity for femtosecond and nanosecond...

Ngày tải lên: 19/06/2014, 12:20

... (Pais et al., 1992) Two Phase Jet Impingement 28 1820 (Overholt et al., 2005) Two phase Two Phase Two Phase Table Cooling Techniques and Respective Heat Fluxes and Heat Transfer Coefficients (Glassman, ... sub-cooled flow boiling (SCFB), micro-channel cooling, two- phase jet impingement and spray cooling have achieved very high heat fluxes (over 100 W/cm2) and heat transfer coefficients compared 286 Two Phase ... labs) 272 Two Phase Flow, Phase Change and Numerical Modeling All these delayed effects combine in single -phase pressure drop term and two- phase pressure drop term acquiring 180° out-of -phase fluctuations...

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... be covered by the slip flow phenomenon and the convective heat transfer related to the slip flow on the hydrophobic surface In the two- phase flow, various two- phase heat transfers including evaporation, ... vapor phase columns on the heating surface, boiling heat transfer is deteriorated before meeting a 312 Two Phase Flow, Phase Change and Numerical Modeling melting temperature of material of the heating ... included in the pool boiling heat transfer field In the pool boiling heat transfer, bubbles are incepted and departed with removing heat from the heated surface After meeting a maximum heat flux, which...

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... 320 Two Phase Flow, Phase Change and Numerical Modeling 3.2 Two- phase heat transfer 3.2.1 Evaporation Evaporation is one of major two- phase heat transfer mechanisms In an ... Pool boiling Many studies of the wettability effects on heat transfer were focused on a pool boiling heat transfer area A major reason is not related with only the basic two- phase heat transfer ... effects on the heat transfer In this chapter, we reviewed open literatures related with the wettability effects on the heat transfer We categorized a single phase and two- phase heat transfers Moreover,...

Ngày tải lên: 19/06/2014, 12:20

... gap between two horizontal plates, Transactions of the ASME, 118, 132-139 Qu, W & Mudawar, I (2004) Flow boiling heat transfer in two- phase micro-channel heat sink-II Annular two- phase flow model, ... void fraction and the local two- phase friction coefficient in both two- phase regions: adiabatic and diabatic, and the local heat transfer coefficient in flow boiling and condensation Some other ... of single- and two- phase flow in the thermosyphon loop with conventional tubes and minichannels In order to analyse the numerical results of simulation for the two- phase flow and heat transfer...

Ngày tải lên: 19/06/2014, 12:20

... pressure drop of two- phase flow in adiabatic region (Zhang & Webb, 2001), the Tran correlation (Eq 23) for the friction pressure drop of two- phase flow in 384 Two Phase Flow, Phase Change and Numerical ... the heat transferred by the systems under condition of single- and two phase flows The obtained results show that the one-dimensional two- phase separate flow model can be used to describe heat transfer ... a two phase minichannel thermosyphon loop heated from horizontal and vertical sides and cooled from vertical side., Archives of Thermodynamics, Vol 31(2010), No 4, pp 51-59 386 Two Phase Flow, ...

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... laminar flow convective heat transfer International Communications of Heat and Mass Transfer, Vol.33, No.4, pp.529-535 Hwang, K S., Jang, S P & Choi, S U S (2009) Flow and convective heat transfer ... heat transfer and pressure loss of alumina/water and zirconia/water 434 Two Phase Flow, Phase Change and Numerical Modeling nanoparticle colloids (nanofluids) in horizontal tubes Journal of Heat ... of a flow loop, a heating unit, a cooling system, and a measuring and control unit The flow loop consisted of a pump, a test section, a flow meter, dampener, and a reservoir The measuring and...

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... Review and comparison of nanofluid thermal conductivity and heat transfer enhancements Heat Transfer Engineering, 2008 29(5): p 432-460 [6] Trisaksri, V and S Wongwises, Critical review of heat transfer ... Journal of Heat TransferTransactions of the Asme, 2008 130(4): p 042412-7 [60] Xuan, Y.M and Q Li, Investigation on convective heat transfer and flow features of nanofluids Journal of Heat Transfer- Transactions ... Cheng, L.X., E.P Bandarra, and J.R Thome, Nanofluid Two- Phase Flow and Thermal Physics: A New Research Frontier of Nanotechnology and Its Challenges Journal of Nanoscience and Nanotechnology,...

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... composition, • Flow in porous media, • Heat exchangers, blower, the radiators and their efficiency, • Two- phase and multiphase flows • Free surface flows with complex surface shapes 489 Heat Transfer ... 488 Two Phase Flow, Phase Change and Numerical Modeling • Computational Fluid Dynamics Computational fluid dynamics or CFD analysis of expression systems include fluid flow, heat transfer and ... analysis, • Flows slimy, slow and turbulent, • Newtonian and non-Newtonian fluids, • Heat transfer, free convection or forced, • Combined heat transfer / guidance, • Radiation heat transfer, •...

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... m = 0.5, and θ∞ = 0.5 ) 514 Two Phase Flow, Phase Change and Numerical Modeling The effects of the reaction order m on the distribution of the dimensionless temperature and the heat transfer ... dilatancy, and the Mohr-Coulomb criterion Acta Mech., Vol 152, pp 121-138 518 Two Phase Flow, Phase Change and Numerical Modeling Massoudi, M & N K Anand (2004) A theoretical study of heat transfer ... is smaller and thus, the reaction rate is increased leading to an increase in the heat of the reaction As a Heat Transfer in Complex Fluids 513 result the flow is chemically heated and its temperature...

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... Archimedes number and inlet enthalpy flow rate 550 Two Phase Flow, Phase Change and Numerical Modeling Fig Melting process for large Archimedes number and moderate inlet enthalpy flow rate Fig 10 ... 3664-3673 540 Two Phase Flow, Phase Change and Numerical Modeling Lamberg, P.; Lehtiniemi, R & Henell, A (2004) Numerical and Experimental Investigation of Melting and Freezing Processes in Phase Change ... drop These two regimes can be explained by different 536 Two Phase Flow, Phase Change and Numerical Modeling conduction modes In regime 1, the conduction from copper governs the heat transfer to...

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