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基本信息

【范围】

1.1 Scope: Heat transfer is the transport of thermal energy from one point to another. Heat is transferred only under the influence of a temperature gradient or temperature difference. The direction of heat transfer is always from the point at the higher temperature to the point at the lower temperature, in accordance with the second law of thermodynamics. The fundamental modes of heat transfer are conduction, convection, and radiation. Conduction is the net transfer of energy within a fluid or solid occurring by the collisions of molecules, atoms, or electrons. Convection is the transfer of energy resulting from fluid motion. Convection involves the processes of conduction, fluid motion, and mass transfer. Radiation is the transfer of energy from one point to another in the absence of a transporting medium. In practical applications several modes of heat transfer occur simultaneously. For example, aerodynamic heating of a vehicle surface includes convection to the surface, radiation away from the surface, and conduction through the surface structure. Since the three modes of heat transfer obey different laws, a real insight into such a problem can be gained only after they have been studied separately.

【与前一版的变化】

包含缩略语

A：
A：
abs：
aero：
AICHE：
AIR：
Amer.：
arg.：
ASME：
atm：
av：
boil：
Btu (BTU)：
Chem.：
CO：
CO 2：
CH4：
cond：
conv：
cos：
cosh：
coth：
crit：
ed.：
eff：
Eng.：
Engrs.：
Eq.(s)：
erf：
erfc：
et al.：
etc.：
evap：
exp：
°F：
ft (FT)：
H2：
He：
Hg：
h：
IME：
in：
Inc.：
J.：
lam：
Ib (LB)：
Iim：
In：
log：
m：
max：
min：
Ne：
N2：
N2O：
NO：
No.,no.：
NACA：
O 2：
p.：
pp.：
Progr.：
psi：
psia：
psig：
°R：
rad：
Rev.：
RML：
SAE：
s：
sat：
Sci.：
Sept.：
SI：
sin：
sinh：
Soc.：
sub：
tan：
tanh：
temp：
TN：
TR：
tot：
Trans.：
turb：
UAC：
V：
Vol (Vol.)：
W：
WADC：
△：
μ：
δ：

包含图表

formula 1	formula 2	formula 3
formula 4	formula 5	FIGURE 1 -Curvilinea
formula 6	FIGURE 2 -Cylindrica	formula 7
formula 8	formula 9	FIGURE 3 -Spherical
formula 10	formula 11	formula 12
FIGURE 4 - Heat Flow	formula 13	FIGURE 5 -Heat Flow
formula 14	FIGURE 6 - Heat Flow	formula 15
FIGURE 7 - Heat Tran	formula 16	formula 17
FIGURE 8 -Heat Trans	formula 18	FIGURE 9 -Heat Trans
formula 19	formula 20	TABLE 1 -Shape Facto
formula 21	formula 22	FIGURE 10 -Finite Le
formula 23	FIGURE 11 -Annular F	FIGURE 12 -Efficienc
formula 24	formula 25	formula 26
formula 27	FIGURE 13 - Fin With	formula 28
FIGURE 14 - Fin With	formula 29	FIGURE 15 - Fins of
formula 30	formula 31	FIGURE 16 -Fins of F
formula 32	FIGURE 17 -Effective	formula 33
formula 34	FIGURE 18 -Loss of H	FIGURE 19 - Fin Heat
formula 35	formula 36	FIGURE 20 -Solid of
formula 37	FIGURE 21 -Semi-Infi	formula 37
FIGURE 22 -Semi-Infi	formula 38	formula 39
FIGURE 23 -Semi-Infi	formula 40	FIGURE 24 -Slab With
FIGURE 25 - Infinite	FIGURE 26 -Solid Sph	FIGURE 27 -Transient
formula 41	FIGURE 28 -Region of	formula 42
FIGURE 29- Finite Cy	formula 43	formula 44
FIGURE 30 - Region N	formula 45	FIGURE 31 - Region N
formula 46	FIGURE 32 -Region of	formula 47
FIGURE 33 - Region o	formula 48	formula 49
FIGURE 34 -Infinite	formula 50	FIGURE 35 -Semi-Infi
formula 51	FIGURE 3 6 -Parallel	formula 52
formula 53	formula 54	FIGURE 37 -Conformal
FIGURE 38 -Steady He	formula 55	formula 56
FIGURE 3 9 -A Nodes	FIGURE 40 -B Nodes	FIGURE 41 - Initial
TABLE 2 -Calculation