Concept explainers
The estimate of the power required to maintain a brass plate at
The power required to maintain a brass plate at a temperature of
Given:
The temperature of the brass plate is
The temperature of the saturated water is
Formula Used:
From the thermo-physical properties of the saturated water, the temperature of the saturated water is given by,
From the thermo-physical properties of the saturated water, the value of enthalpy of vaporization is given by,
From the thermo-physical properties of the saturated water, the density of the water liquid is given by,
From the thermo-physical properties of the saturated water, the density of the saturated vapor is given by,
From the thermo-physical properties of the saturated water, the expression for the dynamic viscosity of the liquid is given by,
From the thermo-physical properties of the saturated water, the Prandtl number of the saturated liquid is given by,
From the thermo-physical properties of the saturated water, the specific heat of the liquid is given by,
From the thermo-physical properties of the saturated water, the surface tension of the liquid is given by,
The expression for the nucleate boiling heat flux(power) at
The expression to determine the heat flux is given by,
Calculation:
The power required to maintain a brass plate at
The power required to maintain the boiling plate at
The value of the constant
The critical heat flux of the plate operating at
The critical heat flux of the plat operating at
Conclusion:
Therefore, the power required to maintain a brass plate at a temperature of
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Fundamentals of Heat and Mass Transfer
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