Question

6. A hot plate 1 m x 0.5 m at 130 °C is kept vertically in still air at 20 °C, determine a) Heat Transfer Coefficient and Heat transfer rate Take properties of air at 75 °C as $C_p = 1.007$ kJ/kg °C, $\rho = 1.07$ kg/$m^3$, k = 0.029 W/m °C, $\nu = 19.1 \times 10^{-6}$ $m^2$/s. Plate ($t_p = 130$°C) $t_a = 20$°C

Name: 6 a hot plate 1 m x 05 m at 130 c is kept vertically in still air at 20 c determine a heat transfer coefficient and heat transfer rate take properties of air at 75 c as cp 1007 kjkg c rho 1 17584
Uploaded: 2023-07-29T13:10:05-08:00
Duration: 3 min 42 s
Channel: Madhur L
Description: 6 a hot plate 1 m x 05 m at 130 c is kept vertically in still air at 20 c determine a heat transfer coefficient and heat transfer rate take properties of air at 75 c as cp 1007 kjkg c rho 1 17584

          6. A hot plate 1 m x 0.5 m at 130 °C is kept vertically in still air at 20 °C, determine
a) Heat Transfer Coefficient and Heat transfer rate
Take properties of air at 75 °C as $C_p = 1.007$ kJ/kg °C, $\rho = 1.07$ kg/$m^3$, k = 0.029 W/m °C, $\nu = 19.1 \times 10^{-6}$ $m^2$/s.
Plate
($t_p = 130$°C)
$t_a = 20$°C

6 a hot plate 1 m x 05 m at 130 c is kept vertically in still air at 20 c determine a heat transfer coefficient and heat transfer rate take properties of air at 75 c as cp 1007 kjkg c rho 1 17584

Added by Nicholas L.

University Physics with Modern Physics

Hugh D. Young 14th Edition

Instant Answer

Solved by Expert Madhur L

07/29/2023

Step 1

Plate dimensions: Length (L) = 1 m, Width (W) = 0.5 m Plate temperature ($T_p$) = 130 °C Air temperature ($T_a$) = 20 °C Properties of air at film temperature ($T_f = (T_p + T_a)/2 = (130 + 20)/2 = 75$ °C): Specific heat capacity ($C_p$) = 1.007 kJ/kg °C = 1007 Show more…

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6. A hot plate 1 m x 0.5 m at 130 °C is kept vertically in still air at 20 °C, determine a) Heat Transfer Coefficient and Heat transfer rate Take properties of air at 75 °C as $C_p = 1.007$ kJ/kg °C, $\rho = 1.07$ kg/$m^3$, k = 0.029 W/m °C, $\nu = 19.1 \times 10^{-6}$ $m^2$/s. Plate ($t_p = 130$°C) $t_a = 20$°C