Experimental Investigation of Endwall and Suction Side Blowing in a Highly Loaded Compressor Stator Cascade
The following paper describes an experimental investigation of a highly loaded stator cascade with a pitch to chord ratio of t/l=0.6. Experiments without as well as with active flow control by means of endwall and suction side blowing were conducted. Five-hole-probe measurements in pitchwise and spa...
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| Veröffentlicht in: | Journal of turbomachinery 2012-03, Vol.134 (2) |
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| container_title | Journal of turbomachinery |
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| creator | Nerger, Daniel Saathoff, Horst Radespiel, Rolf Gümmer, Volker Clemen, Carsten |
| description | The following paper describes an experimental investigation of a highly loaded stator cascade with a pitch to chord ratio of t/l=0.6. Experiments without as well as with active flow control by means of endwall and suction side blowing were conducted. Five-hole-probe measurements in pitchwise and spanwise directions as well as endwall oil flow visualizations were carried out in order to determine the performance of the cascade and to analyze the flow phenomena occurring. To quantify the effectivity of the active flow control method, taking the additional energy input into account, corrected losses and an efficiency, which relates the difference of flow power deficit with and without active flow control to the flow power of the blowing jet itself, were evaluated. Even though an increase of static pressure rise could be achieved, a decrease of the total pressure losses was possible for a few operating points only. |
| doi_str_mv | 10.1115/1.4003254 |
| format | Article |
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Experiments without as well as with active flow control by means of endwall and suction side blowing were conducted. Five-hole-probe measurements in pitchwise and spanwise directions as well as endwall oil flow visualizations were carried out in order to determine the performance of the cascade and to analyze the flow phenomena occurring. To quantify the effectivity of the active flow control method, taking the additional energy input into account, corrected losses and an efficiency, which relates the difference of flow power deficit with and without active flow control to the flow power of the blowing jet itself, were evaluated. Even though an increase of static pressure rise could be achieved, a decrease of the total pressure losses was possible for a few operating points only.</description><identifier>ISSN: 0889-504X</identifier><identifier>EISSN: 1528-8900</identifier><identifier>DOI: 10.1115/1.4003254</identifier><identifier>CODEN: JOTUEI</identifier><language>eng</language><publisher>New York, NY: ASME</publisher><subject>Active control ; Applied sciences ; Blowing ; Cascades ; Compressors ; Engines and turbines ; Exact sciences and technology ; Flow control ; Flow visualization ; Mechanical engineering. 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Turbomach</addtitle><description>The following paper describes an experimental investigation of a highly loaded stator cascade with a pitch to chord ratio of t/l=0.6. Experiments without as well as with active flow control by means of endwall and suction side blowing were conducted. Five-hole-probe measurements in pitchwise and spanwise directions as well as endwall oil flow visualizations were carried out in order to determine the performance of the cascade and to analyze the flow phenomena occurring. To quantify the effectivity of the active flow control method, taking the additional energy input into account, corrected losses and an efficiency, which relates the difference of flow power deficit with and without active flow control to the flow power of the blowing jet itself, were evaluated. Even though an increase of static pressure rise could be achieved, a decrease of the total pressure losses was possible for a few operating points only.</description><subject>Active control</subject><subject>Applied sciences</subject><subject>Blowing</subject><subject>Cascades</subject><subject>Compressors</subject><subject>Engines and turbines</subject><subject>Exact sciences and technology</subject><subject>Flow control</subject><subject>Flow visualization</subject><subject>Mechanical engineering. Machine design</subject><subject>Pump and compressors (turbocompressors, fans, etc.)</subject><subject>Static pressure</subject><subject>Stators</subject><issn>0889-504X</issn><issn>1528-8900</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2012</creationdate><recordtype>article</recordtype><recordid>eNqNkc1vEzEQxS0EEqHlwJmLL4hy2DL-3j3SKNBKkTgEJG6rydobXBw72JuW_vc4JOJIOY0085snvfcIecXgkjGm3rNLCSC4kk_IjCneNm0H8JTMoG27RoH89py8KOUWgAmh5Iz8WPzauey3Lk4Y6E28c2XyG5x8ijSNdBHtPYZAMVq62g9_1itvHb0K6d7HDfWRIr32m-_hgS4TWmfpPG132ZWSMl1NONUxxzLU0zl5NmIo7uVpnpGvHxdf5tfN8vOnm_mHZYPS6Kmx7VrpbjDWMjlqZziAwa6zRnPpxkFasRYIWo-itWrNgWPrtLVrhUoIi06ckbdH3V1OP_fVUL_1ZXAhYHRpX_qOgVasA1PJi3-SzBgQBhjw_0K5kcyox9EqWGvhnFX03REdciolu7Hf1TIwP1SoPxTas_5UaGXfnGQPcYYxYxx8-fvAtQCA7qD5-shh2br-Nu1zrGn3shrhrfgNGz2nQg</recordid><startdate>20120301</startdate><enddate>20120301</enddate><creator>Nerger, Daniel</creator><creator>Saathoff, Horst</creator><creator>Radespiel, Rolf</creator><creator>Gümmer, Volker</creator><creator>Clemen, Carsten</creator><general>ASME</general><general>American Society of Mechanical Engineers</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7TB</scope><scope>8FD</scope><scope>F28</scope><scope>FR3</scope><scope>H8D</scope><scope>L7M</scope></search><sort><creationdate>20120301</creationdate><title>Experimental Investigation of Endwall and Suction Side Blowing in a Highly Loaded Compressor Stator Cascade</title><author>Nerger, Daniel ; Saathoff, Horst ; Radespiel, Rolf ; Gümmer, Volker ; Clemen, Carsten</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a476t-d8b569c7dd14f6e72007a99d7624efc4d3b3a066f38d5b202a8e6ddb5a533dae3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2012</creationdate><topic>Active control</topic><topic>Applied sciences</topic><topic>Blowing</topic><topic>Cascades</topic><topic>Compressors</topic><topic>Engines and turbines</topic><topic>Exact sciences and technology</topic><topic>Flow control</topic><topic>Flow visualization</topic><topic>Mechanical engineering. Machine design</topic><topic>Pump and compressors (turbocompressors, fans, etc.)</topic><topic>Static pressure</topic><topic>Stators</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Nerger, Daniel</creatorcontrib><creatorcontrib>Saathoff, Horst</creatorcontrib><creatorcontrib>Radespiel, Rolf</creatorcontrib><creatorcontrib>Gümmer, Volker</creatorcontrib><creatorcontrib>Clemen, Carsten</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>Technology Research Database</collection><collection>ANTE: Abstracts in New Technology & Engineering</collection><collection>Engineering Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Journal of turbomachinery</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Nerger, Daniel</au><au>Saathoff, Horst</au><au>Radespiel, Rolf</au><au>Gümmer, Volker</au><au>Clemen, Carsten</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Experimental Investigation of Endwall and Suction Side Blowing in a Highly Loaded Compressor Stator Cascade</atitle><jtitle>Journal of turbomachinery</jtitle><stitle>J. Turbomach</stitle><date>2012-03-01</date><risdate>2012</risdate><volume>134</volume><issue>2</issue><issn>0889-504X</issn><eissn>1528-8900</eissn><coden>JOTUEI</coden><abstract>The following paper describes an experimental investigation of a highly loaded stator cascade with a pitch to chord ratio of t/l=0.6. Experiments without as well as with active flow control by means of endwall and suction side blowing were conducted. Five-hole-probe measurements in pitchwise and spanwise directions as well as endwall oil flow visualizations were carried out in order to determine the performance of the cascade and to analyze the flow phenomena occurring. To quantify the effectivity of the active flow control method, taking the additional energy input into account, corrected losses and an efficiency, which relates the difference of flow power deficit with and without active flow control to the flow power of the blowing jet itself, were evaluated. Even though an increase of static pressure rise could be achieved, a decrease of the total pressure losses was possible for a few operating points only.</abstract><cop>New York, NY</cop><pub>ASME</pub><doi>10.1115/1.4003254</doi></addata></record> |
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| ispartof | Journal of turbomachinery, 2012-03, Vol.134 (2) |
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| language | eng |
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| source | ASME Transactions Journals (Current) |
| subjects | Active control Applied sciences Blowing Cascades Compressors Engines and turbines Exact sciences and technology Flow control Flow visualization Mechanical engineering. Machine design Pump and compressors (turbocompressors, fans, etc.) Static pressure Stators |
| title | Experimental Investigation of Endwall and Suction Side Blowing in a Highly Loaded Compressor Stator Cascade |
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