ABSTRACT MEASUREMENTS OF THE UNSTEADY FLOW FIELD WITHIN THE STATOR ROW OF A TRANSONIC AXIAL.pdf

I i . ~% NASA Technical Memorandum 88945 USAAVSCOM Technical Report 86-C-30 i 8 Measurements of the Unsteady Flow Field Within the Stator Row of a Transonic Axial-Flow Fan I-Measurement and Analysis Technique z 3 3 m x) PI Q VI T- a 3 I d r y yz U P 33 G:c7 K.L. Suder Lewis Research Center Cleveland, Ohio M.D. Hathaway Propulsion Directorate U. S. Army Aviation Research and Technology Activity-A VSCOM Lewis Research Center Cleveland, Ohio T.H. Okiishi Iowa State University Ames, Iowa A.J. Strazisar and J.J. Adamczyk Lewis Research Center Cleveland, Ohio Preparedfor the 32nd International Gas Turbine Conference and Exhibition sponsored by the American Society of Mechanical Engineers Aiidieinl, California, May 31-June 4, 1987 MEASUREMENTS OF THE UNSTEADY FLOW FIELD W I T H I N THE STATOR ROW OF A TRANSONIC AXIAL-FLOW FAN I - Measurement and Ana lys l s Technlque K.L. Suder N a t l o n a l Aeronaut lcs and Space A d m l n l s t r a t l o n Lewls Research Center Cleveland, Ohlo 44135 M. 0. Hat haway Propu ls lon D l r e c t o r a t e Lewls Research Center Cleveland, Ohlo 44135 T.H. O k l l s h l Iowa Sta te U n l v e r s t t y Ames. Iowa 50010 A.J. S t r a z l s a r and J.J. Adamczyk N a t l o n a l Aeronaut lcs and Space A d m l n l s t r a t l o n Lewls Research Center Cleveland, Ohlo 44135 U.S. Army A v l a t l o n Research and Technology A c t l v l t y - AVSCOM ABSTRACT Th ls two-pa r t paper p resents d e t a l l e d l a s e r ane- mometer measurements o f t h e unsteady v e l o c l t y f l e l d w i t h i n t h e s t a t o r row o f a t ranson lc a x l a l - f l o w fan . The o b j e c t l v e o f t h l s s tudy was t o p r o v l d e a d d l t l o n a l I n s i g h t I n t o unsteady blade-row I n t e r a c t l o n s w l t h l n energy t r a n s f e r , and o t h e r des ign cons ide ra t l ons . Pa r t I o f t h l s paper descr lbes t h e measur