Answered step by step
Verified Expert Solution
Question
1 Approved Answer
You are to design a rooftop solar absorber made of black chrome. The purpose is to heat up 0 . 0 1 k g s
You are to design a rooftop solar absorber made of black chrome. The purpose is to heat up of tank water from to Every surface of solar absorber can accommodate length of thinwalled copper tube of diameter beneath its surface.
At noon, the intensity of direct solar irradiation normal to horizon was measured to be The ambient temperature is while the sky temperature is The convective heat transfer coefficient on the surface was measured to be
a Write the steadystate energy balance equation when no water is flowing through the tube. What is the surface temperature of the solar absorber marks
b How much heat load is required to heat up the water? marks
c Write the steadystate energy balance equation taking into account of the heat flux, to be transferred to the water. marks
d Calculate the convective heat transfer coefficient within the tube, and subsequently estimate the tube length required. marks
e What is the total surface area of absorber required? marks
f Calculate the surface temperature of the solar absorber with water flowing through the tube. marks
g Your Supervisor suggests to increase the tube length per surface area of absorber to increase the overall solar efficiency. What is your take on this? Briefly elaborate your reasoning. marks
Provide final answer for every question thank you.
Flow Rate is kgs
Step by Step Solution
There are 3 Steps involved in it
Step: 1
Get Instant Access to Expert-Tailored Solutions
See step-by-step solutions with expert insights and AI powered tools for academic success
Step: 2
Step: 3
Ace Your Homework with AI
Get the answers you need in no time with our AI-driven, step-by-step assistance
Get Started