AE1005 WIIND TUNNEL TECHNIQUES Questions Bank 2014
| Anna University, Chennai
SRINIVASAN ENGIEERING COLLEGE DEPARTMENT OF AERONAUTICAL ENGINEERING AE1005 WIIND TUNNEL TECHNIQUES QUESTION BANK (PAR T – B) UNIT - 1 1. Explain Buckingham PI theorem with example. 2. Define any five non dimensionless members. 3. An aircraft is to fly at a height – C for completes dynamic similarity. What would be P & V should be used WT F μα T (T + 7), E = γ , P = ρRT T v γ of specific heats. 4. A 7.2m height & 15m long spillway discharges 94m3/s discharge under a head of 2.0m. If 1:9 scale model of this spillway is to be constructed, determine model dimensions, head o ver spillway model & the model discharge. If model experience a force of 7500N. Determine force on the prototype. UNIT - 2 5. Explain about losses in subsonic wind tunnel. 6. Give the C lassification of wind tunnel & explain about hypersonic wind tunnel. 7. With a neat sketch explain about types of supersonic wind tunnel. 8. Explain about losses in supersonic wind tunnel. 9. Explain about high speed wind tunnel with neat sketch. UNIT – 3 10. Derive the expression for test section speed. 11. With a neat sketch explain about calibrations of supersonic wind tunnel. 12. Explain about flow angularity measurements & its types. 13. With a neat sketch explain about turbulence measurements. UNIT – 4 14. Explain about any one types of wind tunnel balances with neat example. 15. With a neat sketch explain about velocity measurements using LDA. 16. With a neat sketch brief about pressure measurements by using transducers. 17. With a neat sketch explain about force measurements in wind tunnel. UNIT – 5 18. Explain about optical method of flow visualization. 19. Explain flow visualization method by using smoke & tuft grid techniques. 20. With a neat sketch explain about dye injection techniques. |
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