Jawaharlal Nehru Technological University Hyderabad 2010-2nd Sem M.Tech Chemical engineering Regular s, COMPUTATIONAL FLUID DYNAMICS - Question Paper

Code No: B5107 / D5106
JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD
M.Tech II - Semester Regular Examinations, October 2010
COMPUTATIONAL FLUID DYNAMICS
(CHEMICAL ENGINEERING)
Time: 3hours Max. Marks: 60
ans any 5 ques.
All ques. carry equal marks
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1. (a) What is meant by strong conservation form and weak conservation form?
(b) How did you represent the Taylor's series and mention the equations for
truncation error?

2. (a) Write about finite quantity method for 3 dimensional flows.
(b) Differentiate ranging from boundary and initial conditions.

3. (a) define about Forward-Time-Centered-Space (FTCS) scheme and mid point
leap frog method in detail.
(b) elaborate basic rules for control quantity approach and explain them?

4. (a) What is the role of upwinding in computing real flows? explain about 3rd order
upwind scheme with necessary equations.
(b) Write a short note on exponential scheme and hybrid scheme.

5. (a) describe the terms convective flux and diffusive flux. What is the main task of
convective-diffusive transport flows?
(b) Briefly explain about staggered grid method.

6. (a) Write a short note on SIMPLE algorithm.
(b) explain about elliptical, parabolic and hyperbolic partial differential equations in
fluid mechanics.

7. (a) Compare the viscous laminar flow and vortex flow in terms of their issues of
fluid motion.
(b) Specify the various pressure correction methods and explain about it.

8. (a) discuss the solution of Navier-Stokes formula.
(b) Briefly define about flow filed dependant variation methods of compressible
flows.

Earning:   Approval pending.