two phase flow and heat transfer

... increase the heat transfer rate on the wall For the two- phase heat transfer, nucleate boiling and bubble creation, bubble flow are also involved and significantly affect the impinging jet heat transfer ... demand Thus, two- phase heat transfer (boiling heat transfer) has become a topic receiving increasing attention of major interest in the electronic cooling field Compared with single phase heat transfer, ... temperature, superheat target plate temperature and inlet velocity 33 Chapter Fundamentals of Single and Two- phase IJHT Chapter Fundamentals of Single and Two- phase IJHT Impinging jet heat transfer is...

Ngày tải lên: 14/09/2015, 13:31

... Mass transfer effects on MHD flow and heat transfer past a vertical porous plate through a porous medium under oscillatory suction and heat source Int J Heat Mass Transfer 2009, 52, 5962-5969 ... -6.4648 4.4 Rate of heat transfer The rate of heat transfer at the wall i.e the heat flux in terms of Nusselt number Nu for different values of α and Kp are entered in Table The heat flux at the ... velocity and temperature of the flow field and also on skin friction and the rate of heat transfer at the wall The effect of growing permeability parameter is to accelerate the velocity of the flow...

Ngày tải lên: 05/09/2013, 14:58

... variable surface heat flux Chen and Char presented an exact solution of heat transfer for a stretching surface with variable heat flux P S Gupta and A S Gupta examined the heat and mass transfer for ... R Tsai, K H Huang, and J S Huang, Flow and heat transfer over an unsteady stretching surface with non-uniform heat source,” International Communications in Heat and Mass Transfer, vol 35, no ... suction and blowing Elbashbeshy and Bazid studied heat and mass transfer over an unsteady stretching surface with internal heat generation Abd El-Aziz analyzed the effect of radiation on heat and...

Ngày tải lên: 21/06/2014, 11:20

... presented for simulating two dimensional flow and heat- transfer in porous media The drag effect of the porous medium is accounted by an additional force term To deal with the heat transfer, a temperature ... electronic and transportation cooling, drying process, porous bearing, solar collectors, heat pipes, nuclear reactors, and crude oil extraction, the characteristics of fluid flow and heat transfer ... component LBE model to simulate of fluid flows with heat and mass transfer was efficient, accurate, and numerically stable 14 CHAPTER INTRODUCTION 1.3 Objectives and Scope of Study In this study, a...

Ngày tải lên: 16/09/2015, 12:42

... blender 3D DEM Flow and heat transfer (Chaudhuri et al., 2006) Hopper 2D DEM Flow study (Cleary and Sawley, 2002) 2D CFD-DEM Flow and heat transfer study (Kruggel-Emden et al., 2006) 3D DEM Flow study ... simulate the flow and heat transfer non-Newtonian fluid through a single screw extruder (Gopalkrishna and Jaluria, 1992) Screw extruder 3D DEM Flow and heat transfer study; (Moysey and Flood feeding ... Table 1.4 Study of granular flow and heat transfer in screw conveyors Configuration Method Details Reference Screw extruder Experimental and theoretical model Flow and heat transfer study; Developed...

Ngày tải lên: 02/10/2015, 17:14

... blender 3D DEM Flow and heat transfer (Chaudhuri et al., 2006) Hopper 2D DEM Flow study (Cleary and Sawley, 2002) 2D CFD-DEM Flow and heat transfer study (Kruggel-Emden et al., 2006) 3D DEM Flow study ... simulate the flow and heat transfer non-Newtonian fluid through a single screw extruder (Gopalkrishna and Jaluria, 1992) Screw extruder 3D DEM Flow and heat transfer study; (Moysey and Flood feeding ... Table 1.4 Study of granular flow and heat transfer in screw conveyors Configuration Method Details Reference Screw extruder Experimental and theoretical model Flow and heat transfer study; Developed...

Ngày tải lên: 07/10/2015, 10:10

... the flow patterns were categorized into three types, and characteristics of flow patterns and heat transfer are elucidated For the flows in horizontal eccentric annulus, the flow and the heat transfer ... oscillatory multicellular flow occurred 1.3 Objectives and Scope The effects of the rotation of the outer cylinder on the flow and the heat transfer, in concentric configuration and eccentric configuration, ... methods, construct a two- dimensional numerical model to study the characteristics of heat and fluid flow in concentric annuli with outer cylinder rotating The overall and local heat transfer coefficients...

Ngày tải lên: 27/11/2015, 11:12

... Steady-State, Two- Phase- Flow Pressure Drop Transient Two- Phase- Flow Pressure Drop 21 Critical Flow and Unsteady Flow 21 3.6.1 Critical Flow in Long Pipes 220 3.6.2 Critical Flow in Short Pipes, Nozzles, and ... 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...

Ngày tải lên: 02/04/2014, 15:22

... 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...

Ngày tải lên: 19/06/2014, 12:20

... 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],...

Ngày tải lên: 19/06/2014, 12:20

... 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...

Ngày tải lên: 19/06/2014, 12:20

... 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, ...

Ngày tải lên: 19/06/2014, 12:20

... 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...

Ngày tải lên: 19/06/2014, 12:20

... 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...

Ngày tải lên: 19/06/2014, 12:20

... 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, ... cooling heat transfer have been widely debated Zhao et al (2010) suggested that two mechanisms responsible for the majority of the heat transfer in spray 302 Two Phase Flow, Phase Change and Numerical ... 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...

Ngày tải lên: 19/06/2014, 12:20

... 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 ... 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, ... observed a heat transfer trend for different wettabilities and mass fluxes as shown in Fig 29 332 Two Phase Flow, Phase Change and Numerical Modeling Fig 26 A single glass microchannel and six...

Ngày tải lên: 19/06/2014, 12:20