Computational fluid mechanics and heat transfer third edition 3

... body, with a heat transfer coefficient between the environment and the body 69 70 Heat conduction, thermal resistance, and the overall heat transfer coefficient §2 .3 Figure 2. 13 Heat transfer through ... effective heat 78 Heat conduction, thermal resistance, and the overall heat transfer coefficient §2.4 transfer coefficient heff = h + hrad = 18.44 W/m2 K Then, Bi = (1...

Ngày tải lên: 06/12/2015, 23:08

... 7.2 Heat transfer to and from laminar flows in pipes 342 7.3 Turbulent pipe flow 355 7.4 Heat transfer surface viewed as a heat exchanger 367 7.5 Heat transfer ... Contents I The General Problem of Heat Exchange Introduction 1.1 Heat transfer 1.2 Relation of heat transfer to thermodynamics 1.3 Modes of heat transfer ... A Heat Transfer Textbook A Heat Tr...

Ngày tải lên: 21/06/2014, 22:20

... condensation in Section 8.5, and of pool boiling burnout in Section 9.3 In all of these cases, heat transfer normally occurs without any conversion of heat to work or work to heat and it would be misleading ... material, and thickness L is connected across the terminals of a power supply and serves as a resistance heater The voltage, current and T∞ are known The plate is ins...

Ngày tải lên: 21/06/2014, 22:20

... the rod in either side of the heated section if h = 150 W/m2 K around the unheated rod, and Tambient = 27◦ C 4.39 The heat transfer coefficient between a cool surface and a saturated vapor, when ... a wall and have h 600 W/m2 K and T0 = 170◦ C What is the heat flow rate into each fin and what is the effectiveness? T∞ = 20◦ C 4.15 A thin rod is anchored at a wall at T = T0 on one en...

Ngày tải lên: 21/06/2014, 22:20

... semi-infinite region by an environment at T∞ , through a heat transfer coefficient, h 227 228 Transient and multidimensional heat conduction By trial and error, we get t Θ(ζ = 0, β) §5.6 0.33 s In fact, ... flows impose heat transfer coefficients of 46 W/m2 K The two intervening sides are cooled by natural convection to water at 15◦ C, with a heat transfer coefficient of 30 W/m2 K...

Ngày tải lên: 21/06/2014, 22:20

... relevant parameter? References [5.1] H D Baehr and K Stephan Heat and Mass Transfer SpringerVerlag, Berlin, 1998 [5.2] A F Mills Basic Heat and Mass Transfer Prentice-Hall, Inc., Upper Saddle River, ... seminal contributions to heat exchanger design methodology He held this position until 1952, during which time his, and Germany’s, great influence in heat transfer and fl...

Ngày tải lên: 21/06/2014, 22:20

... between about 0.028 and 0.053 depending upon the Prandtl number and the wall boundary condition [7.4, 7.5] §7.2 Heat transfer to and from laminar flows in pipes Figure 7.4 Local and average Nusselt ... by Seban and Shimazaki [7.20] had suggested C1 = 4.8 and C2 = 0.025.) For uniform wall heat flux, many more data are available, Heat transfer surface viewed as a heat exc...

Ngày tải lên: 21/06/2014, 22:20

... Kalish and O E Dwyer Heat transfer to NaK owing through unbaed rod bundles Int J Heat Mass Transfer, 10:15331558, 1967 [7.29] W M Rohsenow, J P Hartnett, and Y I Cho, editors Handbook of Heat Transfer ... [7.8] M S Bhatti and R K Shah Turbulent and transition ow convective heat transfer in ducts In S Kakaỗ, R K Shah, and W Aung, editors, Handbook of Single-Phase Conve...

Ngày tải lên: 21/06/2014, 22:20

... convection heat transfer from a plate with arbitrary inclination Int J Heat Mass Transfer, 15(4): 755767, 1972 [8.17] G C Vliet Natural convection local heat transfer on constant heat transfer ... [8.2] C J Sanders and J P Holman Franz Grashof and the Grashof Number Int J Heat Mass Transfer, 15:562563, 1972 [8.3] S W Churchill and H H S Chu Correlating equations for la...

Ngày tải lên: 21/06/2014, 22:20

... Chapter 9: Heat transfer in boiling and other phase-change configurations [9.34] J R Ramilison and J H Lienhard Transition boiling heat transfer and the film transition region J Heat Transfer, 109, ... ASME-AIChE Heat Transfer Conf Boston, August 1963 [9.45] S G Kandlikar A general correlation for saturated two-phase flow boiling heat transfer inside horizontal and ver...

Ngày tải lên: 21/06/2014, 22:20

... owing to heat loss to the colder outdoor air Find (a) the heat transfer by radiation to the window; (b) the heat transfer by natural convection to the window; and (c) the fraction of heat transferred ... assuming that no heat is transferred to the interior Then, an energy balance on the roof must account for radiation absorbed from the sun and the sky and for heat lost b...

Ngày tải lên: 21/06/2014, 22:20

... between heat transfer and low-rate mass transfer may be used directly to adapt natural convection heat transfer predictions to natural convection mass transfer As before, we replace Nu by Num and ... about 2% for µ and within about 4% for k To compute µm and km , we use eqns (11.54) and (11.55) and the tabulated values of µ and k Identifying N2 , O2 , and Ar as spe...

Ngày tải lên: 21/06/2014, 22:20

... McLinden, and D G Friend Thermodynamic and Transport Properties of Pure Fluids — NIST Pure Fluids National Institute of Standards and Technology, Gaithersburg, MD, September 2000 NIST Standard Reference ... Norris, F F Buckland, N D Fitzroy, R H Roecker, and D A Kaminski, editors Heat Transfer Data Book General Electric Co., Schenectady, NY, 1977 [A.13] ASM Handbook Committee Meta...

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