The upper surface of a 60-cm-thick solid plate (k = 237 W/m.K) is being cooled by...

Question

Question

The upper surface of a 60-cm-thick solid plate (k = 237 W/m.K) is being cooled by water with temperature of 20°C. The upper a

engineering Mechanical-Engineering

Add a comment Improve this question Transcribed image text

Answer 1

Answer #1

Solution Given t=60cm -L K=237 W/mk Too = 20°c , Ti = 60°c = Ts, i Te = 120°c = Tsp Ty = 400, kfluid 0.631 Wmek calculate the

Add a comment

Answer 2

Similar Homework Help Questions

The upper surface of a 60-cm-thick solid plate (k = 237 W/m.K) is being cooled by...

The upper surface of a 60-cm-thick solid plate (k = 237 W/m.K) is being cooled by water with temperature of 20°C. The upper and lower surfaces of the solid plate maintained at constant temperatures of 60°C and 120°C, respectively. Given: The thermal conductivity of the solid plate is given as k = 237 W/ mK. (T..+) The thermal conductivity of water at the film temperature of T, = =(60°C + 20°C)/2 = 40°C is kfluid = 0.631 W/mK. 1. value...
The upper surface of a 60-cm-thick solid plate (k = 237 W/m-K) is being cooled by...

The upper surface of a 60-cm-thick solid plate (k = 237 W/m-K) is being cooled by water with temperature of 20°C. The upper and lower surfaces of the solid plate maintained at constant temperatures of 60°C and 120°C, respectively. Given: The thermal conductivity of the solid plate is given as k= 237 W/m.K. The thermal conductivity of water at the film temperature of Tg = 20°C)/2 = 40°C is kfluid = 0.631 W/mK. (T.,+T) = (60°C + 2. value 3.00...
1 answer & continue > The upper surface of a 60-cm-thick solid plate (k = 237...

1 answer & continue > The upper surface of a 60-cm-thick solid plate (k = 237 W/m-K) is being cooled by water with temperature of 20°C. The upper and lower surfaces of the solid plate maintained at constant temperatures of 60°C and 120°C, respectively. Given: The thermal conductivity of the solid plate is given as k = 237 W/mK. The thermal conductivity of water at the film temperature of T; = (1,1770) =(60°C + 20°C)/2 = 40°C is kfluid =...

A large wall made of 10-cm-thick solid brick (k = 0.8 W/m.K, p 2000 kg/m3, and p 800 J/kg.K) is o...

Heat transfer question. A large wall made of 10-cm-thick solid brick (k = 0.8 W/m.K, p 2000 kg/m3, and p 800 J/kg.K) is originally at a uniform temperature of 30°C. The wall is adiabatic (well insulated) on one side as shown in the figure. The other surface is suddenly exposed to convection air flow at 10°C, resulting in a heat transfer coefficient h=40W/m2.K. Fluid (4.1) Determine the temperature of both surfaces Gr 0 and x 10 cm) after 5 hr...
During its manufacture, plate glass at 600°C is cooled by passing air over its surface such...

During its manufacture, plate glass at 600°C is cooled by passing air over its surface such that the convection heat transfer coefficient is h. To prevent cracking, it is known that the temperature gradient must not exceed 15 °C/mm at any point in the glass during the cooling process. The thermal conductivity of the glass is 1.4 W/mK and its surface emissivity is 0.75. The temperature of the air that is used for the cooling is 315 °C. Assume that...
During air cooling of oranges, grapefruit, and tangelos, the heat transfer coefficient for combined convection, radiation,...

During air cooling of oranges, grapefruit, and tangelos, the heat transfer coefficient for combined convection, radiation, and evaporation for air velocities of 0.11<V< 0.33 m/s is determined experimentally and is expressed as h = 5.05 KairRe131D, where the diameter Dis 0.1 m. Oranges are cooled by refrigerated air at 5°C and 1 atm at a velocity of 0.3 m/s. Given: The thermal conductivity of the orange is given to be k = 0.50 W/m°C. The thermal conductivity and the kinematic...

5. The upper surface of a metal plate is being cooled with parallel airflow while its...

5. The upper surface of a metal plate is being cooled with parallel airflow while its lower surface is subjected to a uniform heat flux of 810 W/m². The air has a free stream velocity and temperature of 2.5 m/s and 15°C respectively. Given: The properties of air: k = 0.02588 W/m-K, v = 1.608 x 10-9 mʻls, and Pr = 0.7282. Determine the surface temperature of the plate at x = 1.5 m from the leading edge. [10 Marks)...
During air cooling of oranges, grapefruit, and tangelos, the heat transfer coefficient for combined convection, radiation,...

During air cooling of oranges, grapefruit, and tangelos, the heat transfer coefficient for combined convection, radiation, and evaporation for air velocities of 0.11<V 0.33 m/s is determined experimentally and is expressed as h=5.05 kairRe13/D, where the diameter Dis 0.1 m. Oranges are cooled by refrigerated air at 5°C and 1 atm at a velocity of 0.3 m/s. Given: The thermal conductivity of the orange is given to be k = 0.50 W/m-°C. The thermal conductivity and the kinematic viscosity of...
A plate (k = 10 W/m.K) is stiffened by a series of longitudinal ribs having a...

A plate (k = 10 W/m.K) is stiffened by a series of longitudinal ribs having a rectangular cross section with length L = 8 mm and width W = 4 mm. The base of the plate is maintained at a uniform temperature Tb = 75°C, while the rib surfaces are exposed to air at a temperature of T = 25°C and a convection coefficient of h = 600 W/m2.K. Using a finite-difference method with Ax = 4y = 2 mm...

A hot brass plate is having its upper surface cooled by impinging jet of the air...

A hot brass plate is having its upper surface cooled by impinging jet of the air at temperature of 15 oC and convection coefficient of k=180, 190, 200, 210 220 and 230 W/m2 oK. The 20-cm wide and 10-cm length brass plate (ρ=8530 kg/m3, and Cp=380 J/kg K. k=220 w/mK had a uniform initial temperature of 650 oC, and lover surface of the plat is well insulated. Using uniform node for Δx = Δy = 2.5 cm and left side...

The upper surface of a 60-cm-thick solid plate (k = 237 W/m.K) is being cooled by...

Homework Answers