Hostname: page-component-cd9895bd7-dk4vv Total loading time: 0 Render date: 2024-12-22T15:45:21.375Z Has data issue: false hasContentIssue false
  • English
  • Français

Some incompressible jet flow and reattachment effects in fluid control elements

Published online by Cambridge University Press:  04 July 2016

R. D. Begg ,
J. H. T. Carter  and
G. D. S. MacLellan
R. D. Begg
Affiliation:
University of Glasgow
J. H. T. Carter
Affiliation:
formerly University of Glasgow
G. D. S. MacLellan
Affiliation:
University of Leicester
Get access Rights & Permissions [Opens in a new window]

Extract

The operating characteristics of certain types of fluidic element and fluid control valves are largely determined by the pattern of reattaching flow downstream of a nozzle or an orifice. In the simpler configurations, where a twodimensional (2-D) pattern can be assumed, the flow is similar to that studied by Bourque and Newman and by Sawyer, following on the earlier work of Dodds. These studies were concerned with the reattachment of a 2-D jet emerging from a parallel sided nozzle to an adjacent flat plate, and took into account the effect of turbulent entrainment on the lateral spread of the jet and of pressure difference across the jet on its curvature.

Type
Technical notes
Information
The Aeronautical Journal , Volume 76 , Issue 743 , November 1972 , pp. 663 - 668
Copyright
Copyright © Royal Aeronautical Society 1972 

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

1. Bourque, C. and Newman, B. G. Reattachment of a 2-D incompressible jet to a flat plate. The Aeronautical Quarterly, Vol 11, p. 201. 1960.Google Scholar
2. Sawyer, R. A. The flow due to a 2-D jet issuing parallel to a flat plate. Journal of Fluid Mechanics, Vol 9, p. 543. 1960.Google Scholar
3. Sawyer, R. A. Two-dimensional reattaching jet flows including effects of curvature on entrainment. Journal of Fluid Mechanics, Vol 17, p. 481. 1963.Google Scholar
4. Dodds, J. I. The use of suction or blowing to prevent separation of a turbulent boundary layer. PhD thesis to Cambridge University. 1961.Google Scholar
5. Lush, P. A. Investigation of the switching mechanism in a large scale model of a turbulent reattachment amplifier. Second Cranfield Fluidics Conference, Cambridge. 1967.Google Scholar
6. MacLellan, G. D. S., Mitchell, A. E. and Turnbull, D. E. Flow characteristics of a piston-type control valves. Proceedings, IMechE Symposium on Recent Mech Eng. Developments in Automatic Control, p. 13. 1960.Google Scholar
7. Schlichting, H. Boundary Layer Theory. McGraw-Hill, p. 499. 1960.Google Scholar
8. Von Mises, R. Berechnung von Ausfluss und Oberfall Zahlen. Zeit. Verein Deutsch Ing, Vol 61, pp. 447, 469, 493. 1917.Google Scholar
9. Begg, R. D. A study of jet flow and reattachment in control valves. PhD thesis to University of Glasgow. 1965.Google Scholar
10. Mitchell, A. E. Some characteristics of incompressible flow through piston slide valves. PhD thesis to Cambridge University. 1960.Google Scholar
11. Bettoli, R. Experimental study of spreading of semi-confined jets. MSc thesis to Pennsylvania State University. 1966.Google Scholar
12. Begg, R. D. The reattachment of 2-D compressible jets to planes. The Aeronautical Journal of the Royal Aeronautical Society, Vol 71, (No 681) p. 655. 1967.Google Scholar
13. Boucher, R. F. Some considerations in the development and operation of fluidic devices. 2nd Cranfield Fluidics Conference, Paper B7. January 1967.Google Scholar
14. Jones, J. B. and Foss, J. F. A study of incompressible bounded jets. Purdue University Research Foundation Report, Project No 3728. 1964.Google Scholar
15. Newman, B. G. and Wygnanski, I. The reattachment of an inclined 2-D jet to a flat surface in streaming flow. CASI Trans, Vol 1, p. 3. 1968.Google Scholar
16. Spalding, D. B. and Ricou, F. P. Measurement of the entrainment of axisymmetric jets. Journal of Fluid Mechanics, Vol 11, p. 21. 1961.Google Scholar
17. Rouse, H., Albertson, M. L., Dai, Y. B. and Jenson, R. A. Diffusion of submerged jets. Proc ASCE, Vol 74, No 10, p. 1571. 1948.Google Scholar
18. Guitton, D. The two-dimensional turbulent wall jet over a convex logarithmic spiral, von Karman Institute, Project Report 65-128, 1965.Google Scholar
19. Begg, R. D. The effect of downstream pressure asymmetry on the flow from two-dimensional orifices. IFAC Symposium on Fluidics, paper A5. 1968.Google Scholar