In Part 1 of this paper, the following basic points concerning the push-pull hoods were investigated both theoretically and experimentally.
- The close relationship between the push-pull flow in the fluid dynamic situation and the deflected beam in the solid body situation was illustrated and verified.
- The “cooperation theory on air flow” explains logically the reasons for using push-pull hoods which have convergent types of flow. Using the superposition technique, it can be used to calculate flow deflection and the flow field in the vicinity of push-pull hoods. Many experimental runs verified the agreement between theory and experiment.
- Push-pull flows are strongly deflected by disturbing side flows near push-pull hoods. The maximum value of deflection occurs at the point where the ratio of the push-pull flow distance x/H is about 0.6 to 0.8. Experimental results for several cases verified this conclusion.
Citation: ASHRAE Transactions, Volume 88, Part 1, Houston, TX
Product Details
- Published:
- 1982
- Number of Pages:
- 22
- File Size:
- 1 file , 3.2 MB
- Product Code(s):
- D-HO-2697
