Answer the following questions in detail.
Question 1) Write down applications of heat exchangers and explain why is counter flow HX better than parallel-flow HX?
Question 2) Explain overall heat transfer coefficient? Derive the expression for overall heat transfer for a tubular heat exchanger (HX) based on inner surface area.
Question 3) Sketch temperature profile for parallel and counter flow type heat exchangers.
Question 4) Write down the selection criteria for the heat exchangers?
Question 5) Explain boiling in detail? Which mechanism is responsible for very high heat transfer coefficient in nucleate boiling?
Question 6) A brief note on multiple effect evaporators
Question 7) Sketch the neat and clean diagrams for plate heat exchangers and plate fine heat exchangers.
Question 8) Sketch a schematic diagram for Heat Pipe and describe its working in detail.
Question 9) What do you mean by fouling factor? What is its function in the heat transfer process?
Question 10) Write down the compact heat exchangers and their area of applications?