performance heat transfer and sizing

... the heat transfer between air and absorber plate get reduced The heat transfer between absorber plate and air can be enhanced either by increasing the heat transfer surface area using extended and ... K.R, Gandhi B.K, Saini J.S Heat transfer and friction characteristics of solar air heater duct having integral inclined discrete ribs on absorber plate International Journal of Heat and Mass Transfer ... Bopache S.B., Tandale M.S Experimental investigations on heat transfer and frictional characteristics of a turbulators roughened solar air heater duct International Journal of Heat and Mass Transfer...

Ngày tải lên: 05/09/2013, 15:28

... Enhancing Performance of Solar air heater Proceedings of XVII National and VI ISHME/ASME Heat and Mass Transfer Conference, IGCAR, Kalpakkam India 2004; Jan 05-07 [2] Han J C Heat transfer and friction ... Journal of Heat Transfer, 106, 774-781, 1984 [3] Han J.C., Glicksman LR and Rosenow WM Investigation of heat transfer and friction for ribroughened surfaces, Int Journal of Heat & Mass Transfer ... on heat transfer and flow behavior in a rectangular rib roughened passage” International Journal of Heat and mass transfer; 123: 675-681, 2001 [6] Lau S.C., McMillin R.D and Han J.C Turbulent Heat...

Ngày tải lên: 05/09/2013, 16:10

... J Conduction Heat Transfer, Addison-Wesley Pub Co., California Holman, J P., Heat Transfer, 3rd Edition, McGraw-Hill, New York Knudsen, J G and Katz, D L., Fluid Dynamics and Heat Transfer, McGraw-Hill, ... simply as the heat transferred per unit mass q Q m (1-16) where: q = heat transferred per unit mass (Btu/lbm) Q = heat transferred (Btu) m = mass (lbm) Example: Determine the heat transferred per ... THERMODYNAMICS, HEAT TRANSFER, AND FLUID FLOW OVERVIEW The Department of Energy Fundamentals Handbook entitled Thermodynamics, Heat Transfer, and Fluid Flow was prepared as an...

Ngày tải lên: 22/10/2013, 10:15

... J Conduction Heat Transfer, Addison-Wesley Pub Co., California Holman, J P., Heat Transfer, 3rd Edition, McGraw-Hill, New York Knudsen, J G and Katz, D L., Fluid Dynamics and Heat Transfer, McGraw-Hill, ... simply as the heat transferred per unit mass q Q m (1-16) where: q = heat transferred per unit mass (Btu/lbm) Q = heat transferred (Btu) m = mass (lbm) Example: Determine the heat transferred per ... present the entire subject of thermodynamics, heat transfer, and fluid flow would be impractical However, the Thermodynamics, Heat Transfer, and Fluid Flow handbook does present enough information...

Ngày tải lên: 17/03/2014, 15:00

... not physically connected to the heat transfer site Rev Page HT-02 CONDUCTION HEAT TRANSFER Heat Transfer CONDUCTION HEAT TRANSFER Conduction heat transfer is the transfer of thermal energy by interactions ... CONVECTION HEAT TRANSFER Heat Transfer CONVECTION HEAT TRANSFER Heat transfer by the motion and mixing of the molecules of a liquid or gas is called convection EO 1.9 Given the formula for heat transfer ... temperature difference and the resistance to heat transfer The resistance to heat transfer is dependent upon the nature and dimensions of the heat transfer medium All heat transfer problems involve...

Ngày tải lên: 17/03/2014, 15:00

... VA 22161 Order No DE92019791 THERMODYNAMICS, HEAT TRANSFER, AND FLUID FLOW ABSTRACT The Thermodynamics, Heat Transfer, and Fluid Flow Fundamentals Handbook was developed to assist nuclear facility ... Idaho, Inc Rev HT THERMODYNAMICS, HEAT TRANSFER, AND FLUID FLOW OVERVIEW The Department of Energy Fundamentals Handbook entitled Thermodynamics, Heat Transfer, and Fluid Flow was prepared as an ... present the entire subject of thermodynamics, heat transfer, and fluid flow would be impractical However, the Thermodynamics, Heat Transfer, and Fluid Flow handbook does present enough information...

Ngày tải lên: 17/03/2014, 15:00

... 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 ... boiling heat transfer and two-phase flow from which a consistent and thorough under­ standing may be formed To provide designers with formulas for predicting real or potential boiling heat transfer ... volumetric flow rate, ft3/hr heat transferred per unit time and volume to phase k, Btulhr ft3 heat transfer rate, Btulhr linear power, Btulhr ft heat flux, Btulhr ft2 average heat flux, Btulhr ft2 power...

Ngày tải lên: 02/04/2014, 15:22

... transient and turbulent single-phase flows; (2) heat transfer of liquids and gas flows; and (3) two-phase flows in adiabatic and heated micro-channels As indicated by Kandlikar and Grande (2002), and ... Drop and Heat Transfer in a Single-Phase Flow 33 2.3 Pressure Drop and Heat Transfer in a Single-Phase Flow Many correlations have been proposed in literature for the friction factor and heat transfer, ... flow: heat transfer 2.3 Pressure Drop and Heat Transfer in a Single-Phase Flow 37 Fig 2.22 Turbulent flow: heat transfer Reprinted from Sobhan and Garimella (2001) with permission Experimental and...

Ngày tải lên: 02/04/2014, 15:51

... beam absorption Häkkinen and Landman [3] studied dynamics of superheating, melting, and annealing at the Cu surface induced by laser beam irradiation using the two-step heat transfer model developed ... conditions, atoms are easier to expand in space when heated Therefore, more heat is stored in the form of potential energy and resulting in a larger specific heat The specific heat at constant volume is ... S., and Kuroki, M., 1993, "Molecular Dynamics Study of Solid Melting and Vaporization by Laser Irradiation," International Journal of Heat and Mass Transfer, 36, pp 20612067 Herrmann, R F W., and...

Ngày tải lên: 06/05/2014, 08:55

... beam absorption Häkkinen and Landman [3] studied dynamics of superheating, melting, and annealing at the Cu surface induced by laser beam irradiation using the two-step heat transfer model developed ... conditions, atoms are easier to expand in space when heated Therefore, more heat is stored in the form of potential energy and resulting in a larger specific heat The specific heat at constant volume is ... S., and Kuroki, M., 1993, "Molecular Dynamics Study of Solid Melting and Vaporization by Laser Irradiation," International Journal of Heat and Mass Transfer, 36, pp 20612067 Herrmann, R F W., and...

Ngày tải lên: 06/05/2014, 08:57

... beam absorption Häkkinen and Landman [3] studied dynamics of superheating, melting, and annealing at the Cu surface induced by laser beam irradiation using the two-step heat transfer model developed ... conditions, atoms are easier to expand in space when heated Therefore, more heat is stored in the form of potential energy and resulting in a larger specific heat The specific heat at constant volume is ... S., and Kuroki, M., 1993, "Molecular Dynamics Study of Solid Melting and Vaporization by Laser Irradiation," International Journal of Heat and Mass Transfer, 36, pp 20612067 Herrmann, R F W., and...

Ngày tải lên: 06/05/2014, 08:59

... J Conduction Heat Transfer, Addison-Wesley Pub Co., California Holman, J P., Heat Transfer, 3rd Edition, McGraw-Hill, New York Knudsen, J G and Katz, D L., Fluid Dynamics and Heat Transfer, McGraw-Hill, ... simply as the heat transferred per unit mass q Q m (1-16) where: q = heat transferred per unit mass (Btu/lbm) Q = heat transferred (Btu) m = mass (lbm) Example: Determine the heat transferred per ... present the entire subject of thermodynamics, heat transfer, and fluid flow would be impractical However, the Thermodynamics, Heat Transfer, and Fluid Flow handbook does present enough information...

Ngày tải lên: 09/07/2014, 07:20

... rectangular cycle with friction loss and heat transfer loss by using finite time thermodynamics, and analyzed the effect of friction loss and heat transfer loss on cycle performance Based on Refs [24-26], ... the effects of combustion and heat transfer α is a parameter related to the combustion and it reflects the heating value of the fuel β is a parameter related to heat transfer loss In this case, ... paper will study the performance characteristics of endoreversible rectangular cycle with heat transfer loss and variable specific heats of working fluid Cycle model An air standard rectangular...

Ngày tải lên: 09/09/2015, 10:17

... -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 ... 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 S ... A1 B − A2 B − B − m )cos πz , (50) τz = − εα A1 A2 sin π z π 3.2 Rate of heat transfer The rate of heat transfer i.e heat flux at the wall in terms of Nusselt number (Nu) is given by ⎛ dθ ⎞ ⎛...

Ngày tải lên: 05/09/2013, 14:58

... overall heat transfer coefficient and F1 is the heat- transfer surface area of the hightemperature-side heat exchanger , β is the overall heat transfer coefficient and F2 is the heat- transfer ... m in the heat transfer processes between the working fluid and the heat reservoirs of the heat engine And they further obtained the optimal ecological performance of an endoreversible heat engine ... THC > TLC > TL The heat- transfer surface areas ( F1 and F2 ) of high- and lowtemperature heat exchangers are finite The total heat transfer surface area ( F ) of the two heat exchangers is assumed...

Ngày tải lên: 05/09/2013, 15:28

... Default and Liquidity Risk The Supervisory Approach: A Critique Depreciation Bias, Financial-Sector Fragility and Currency Risk The New Basel Accord and Developing Countries: Problems and Alternatives ... Realistic Banking System Within a Post-Keynesian Stock-flow Consistent Model Credit-Risk Transfer and Financial Sector Performance Please address enquiries about the series to: The Administrator Cambridge ... Problems and Alternatives Economic Slowdown in the U.S., - The Revitalisation of Fiscal Policy and the Case for a Co-Ordinated Global Reflation Establishing a European Securities Regulator: Is...

Ngày tải lên: 06/03/2014, 08:20

Ngày tải lên: 17/03/2014, 13:49

... Introduction and definitions 1.1 Modes of heat transfer 1.2 Definitions 1.2.1 Heat (transfer) rate and heat flux 1.2.2 Heat transfer coefficients and overall heat transfer ... the heat transfer coefficient α, the heat transfer surface area A and the temperature difference Δϑ The heat transfer coefficient defines the heat rate Q transferred per unit transfer area A and ... total transferred heat is of interest To determine the overall heat transfer rate, the local heat flux density must be integrated over the total heat transfer area The total transferred heat rate...

Ngày tải lên: 24/03/2014, 01:20

... boundary-layer heat transfer research and also identifies the potential difficulties and future needs In addition, this work provides new material on convective heat and mass transfer, as well ... immense research effort has been expended in exploring and understanding the convective heat and mass transfer processes between a fluid and submerged objects of various shapes Among several geometries ... Free and mixed convection boundary-layer flow past inclined and horizontal plates Double-diffusive convection Convective flow in buoyant plumes and jets Conjugate heat transfer over vertical and...

Ngày tải lên: 01/04/2014, 10:51

... (Table 1.3) Total amount of heat transferred Rate of heat transfer Rate of heat transfer in x-, y-, or r-direction Heat flux Rate of heat generation per unit volume → → → Heat flow vector H E AT C ... F P and D P DeWitt, Introduction to Heat Transfer, 4th edn, John Wiley & Sons, New York, 2002 Kreith, F and W Z Black, Basic Heat Transfer, Harper & Row, New York, 1980 Holman, J P., Heat Transfer, ... Btu/h · ◦ F Heat capacity flow rate 1W/m2 = 0.3171 Btu/h · ft2 W/m3 = 0.09665 Btu/h · ft3 Heat flux Heat generation rate W/m2 · K = 0.17612 Btu/h · ft2 · ◦ F Heat transfer coefficient Heat transfer...

Ngày tải lên: 02/04/2014, 15:29