The rate of entropy production in the heating elements

Assignment Help Mechanical Engineering

Reference no: EM13701033

At steady state, a 750 W electric resistance heater has an outer surface temperature of 450 degrees C on its heating elements. Find the rate of heat transfer from the heater as well as the rate of entropy production in the heating elements

Reference no: EM13701033

Questions Cloud

Important energy material for application in fuel cells : CeO2 is an important energy material for application in fuel cells. What kind of bonding do you expect between Ce and O in this material? Why? Which broad class of material would this oxide belong to? The ionic radius of Ce4+ and O2- are 0.102 and 0...

How much power does the wind turbine produce : A wind turbine has a rotor diameter of 60 m. The wind speed is 10 m/s. The power coefficient of the rotor is 0.48 and the efficiency of the drive train is 0.9. The air temperature is 15°C, the air pressure is 101 kPa and the density of the air is 1.2..

How policies and legislation could impact the family : Describe three of the major concepts in the family or individual life cycle - Include how self-determination impacts an individual's ability to successfully negotiate challenges in each life cycle.

Using air property tables and specific heat method : Determine the change in entropy for the following: Water, u=1000 kJ/kg, T=140 degree C to saturated liquid at p=3 bar. Air, T(1)= 500 degrees R, p(1)= 10 lbf/in^2 to T(2)= 900 degrees R, p(2)= 50lbf/in^2 (using air property tables and specific heat m..

The rate of entropy production in the heating elements : At steady state, a 750 W electric resistance heater has an outer surface temperature of 450 degrees C on its heating elements. Find the rate of heat transfer from the heater as well as the rate of entropy production in the heating elements

Find relative humidity at outlet and amount of water added : Air at 40 °C, 1 bar, and 10% RH goes through an evaporative cooler, and the outlet air is cooled to 27 °C. Find (a) the relative humidity at the outlet, and (b) the amount of water added (kg H20 per kg of air).

Find the final relative humidity and rate of heat transfer : Outside air at 1 bar, 5 °C and RH 70% is heated to 25 °C. The flow rate of air is 50 m 3/min. Find (a) the final relative humidity, (b) the rate of heat transfer (in kW) needed to heat up the air?

Velocity profile from the navier-stocks equations : I need to be able to derive the velocity profile from the navier-stocks equations. Basically from scratch. Problem 4.36 in the fluid mechanics seventh edition Frank M. White In need to get derived down to the Differential form and find the constant o..

Determine the tension in the cable : A 8 m rectangular gate shown below weighing 200 N is held in place by a horizontal flexible cable as shown in the figure below. Water acts against the gate which is hinged (frictionless hinge) at point A. determine the tension in the cable.

User Account

All Pages