TAILIEUCHUNG - Ebook Holman heat transfer (10th edition): Part 1

(BQ) Part 1 book "Holman heat transfer" has contents: Introduction, Steady-State conduction—one dimension, steady state conduction—multiple dimensions, unsteady state conduction, unsteady state conduction, empirical and practical relations for forced convection heat transfer. | hol29362_ifc 10/30/2008 18:42 Useful conversion factors Physical quantity Symbol Length Area Volume Velocity Density Force Mass Pressure Energy, heat Heat flow Heat flux per unit area Heat flux per unit length Heat generation per unit volume Energy per unit mass Specific heat Thermal conductivity Convection heat-transfer coefficient Dynamic Viscosity Kinematic viscosity and thermal diffusivity L A V v ρ F m p q q q/ A q/ L q ˙ q/m c k h μ ν, α SI to English conversion English to SI conversion 1 m = ft 1 m2 = ft2 1 m3 = ft3 1 m/s = ft/s 1 kg/m3 = lbm /ft3 1 N = lbf 1 kg = lbm 1 N/m2 = × 10−4 lbf /in2 1 kJ = Btu 1 W = Btu/h 1 W/m2 = Btu/h · ft2 1 W/m = Btu/h · ft 1 W/m3 = Btu/h · ft3 1 kJ/kg = Btu/lbm 1 kJ/kg · ◦ C = Btu/lbm · ◦ F 1 W/m · ◦ C = Btu/h · ft · ◦ F 1 W/m2 · ◦ C = Btu/h · ft2 · ◦ F 1 kg/m · s = lbm /ft · s = lbm /ft · h 2 /s = ft2 /s 1m 1 ft = m 1 ft2 = m2 1 ft3 = m3 1 ft/s = m/s 1 lbm /ft3 = kg/m3 1 lbf = N 1 lbm = kg 1 lbf /in2 = N/m2 1 Btu = kJ 1 Btu/h = W 1 Btu/h · ft2 = W/m2 1 Btu/h · ft = W/m 1 Btu/h · ft3 = W/m3 1 Btu/lbm = kJ/kg 1 Btu/lbm · ◦ F = kJ/kg · ◦ C 1 Btu/h · ft · ◦ F = W/m · ◦ C 1 Btu/h · ft2 · ◦ F = W/m2 · ◦ C 1 lbm /ft · s = kg/m · s 1 ft2 /s = m2 /s Important physical constants Avogadro’s number Universal gas constant N0 = × 1026 molecules/kg mol R = ft · lbf/lbm · mol · ◦ R = J/kg mol · K = Btu/lbm · mol · ◦ R = kcal/kg mol · K Planck’s constant h = × 10−34 J · sec Boltzmann’s constant k = × 10−23 J/molecule · K = × 10−5 eV/molecule · K Speed of light in vacuum c = × 108 m/s Standard gravitational acceleration g = ft/s2 = m/s2 Electron mass me =

• Cơ khí - Chế tạo máy
• Holman heat transfer
• Steady State conduction—one dimension
• Steady state conduction
• Multiple dimensions
• Unsteady state conduction
• Unsteady state conduction
• Natural convection systems
• Radiation heat transfer
• Condensation and boiling heat transfer
• Heat exchangers
• Mass transfer