tabelka 2
0.004
0.003
0.002
350
T = at/r2
(a) Centerline temperaturę (from M. P. Heisler)
0 =
T-Tx
Ta-Ta
Bi hr
(b) Temperaturę distribution (from M. P. Heisler)
10"5 10-4 10-3 10-2
10-1 1 Bi2x = h2at/k2
10
102
103
104
(c) Heat transfer (from H. Grdber et al.)
Transient temperaturę and heat transfer charts for a long cylinder of radius r0 initially at a uniform temperaturę T( subjected to convection from all sides to an environment at temperaturę with a convection coefficient of h.
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