Monday, January 23, 2023

Dr. A.P.J. Abdul Kalam University MTECH III SEM (MTTPE) Computer Aided Design of Thermal System [MTTPE301(1)] Dec 2020 Question Paper

Dr. A.P.J. Abdul Kalam University

Master of Technology

Third Semester Main Examination, Dec-2020

Computer Aided Design of Thermal System [MTTPE301(1)]

Time: 3:00 Hrs Max Marks 70

Note : Attempt any five questions. All questions carry equal marks.

Q.1 (a) Explain the formulation of design problem of a thermal system.

(b) Discuss the conceptual design step in design of hot rolling process.

Q.2 (a) Discuss the importance of material selection in design of thermal system.

(b) In a food processing system. food materials are placed on flat plate and subjected to gas

heating at the bottom of plate for a given amount of time Select a suitable material for the


Q.3 (a) What do you understand by mathematical modeling? Compare it with physical modeling.

(b) Write For a common parallel flow heat exchanger discuss the development of a simple

mathematical model.

Q.4 (a) What do you understand by simulation of thermal process? State its importance. Discuss any

simulation software available in design of thermal system.

(b) What is Numerical simulation? Discuss different methods of numerical simulation.

Q.5 (a) Describe calculus method of optimization.

(b) What is Dynamic prograrnmine ? State its limitation.

Q.6 In a water flow problem. the total flow rate is given by two variable x and y.

Flow rate = 8,5r= + 7.1y2 + 21 with a constraint that x + yi 25. Solve the optimization

problem as a constrained problem.

Q.7 (a) Explain in brief genetic algorithm.

(b) Explain computer aided design material selection.

Q.8 What is the maximum rate of heat transfer possible in a counter flow heat exchanger show below if

the water enter at 30° and cools oil entering at 60°C.

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