Effects of a Skewed Inlet End Wall Boundary Layer on the 3-D Flow Field in an Annular Turbine Cascade
This paper presents results of an experimental investigation on the effect of a skewed inlet boundary layer on the flow field in a low speed, low aspect ratio, high turning annular turbine nozzle guide vane. Three test series, differing by their degree of inlet skew, were performed. The flow was exp...
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| creator | Boletis,E Sieverding,C. H Van Hove,W |
| description | This paper presents results of an experimental investigation on the effect of a skewed inlet boundary layer on the flow field in a low speed, low aspect ratio, high turning annular turbine nozzle guide vane. Three test series, differing by their degree of inlet skew, were performed. The flow was explored by means of double head four hole pressure probes in five axial planes from upstream to far downstream of the blade row. Results are presented in the form of contour plots and spanwise pitch-averaged distributions. The axial evolution of the measured pitch-averaged spanwise flow angle distribution is compared with a three dimensional, inviscid, rotational flow calculation.
This article is from the Proceedings of the Conference on Viscous Effects in Turbomachines Held at Copenhagen, Denmark on 1-3 Jun 83, AD-A139 749, p16-1 - 16-16. |
| format | Report |
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This article is from the Proceedings of the Conference on Viscous Effects in Turbomachines Held at Copenhagen, Denmark on 1-3 Jun 83, AD-A139 749, p16-1 - 16-16.</description><language>eng</language><subject>Annular turbines ; Aspect ratio ; Belgium ; Boundary layer flow ; Cascade structures ; Component Reports ; End wall boundary layer ; Flow fields ; Hubs ; Inlet guide vanes ; Low velocity ; Multistage turbines ; NATO furnished ; Pressure distribution ; Secondary flow ; Skewed inlets ; Skewness ; Thickness ; Three dimensional flow ; Vortices ; Walls</subject><creationdate>1983</creationdate><rights>APPROVED FOR PUBLIC RELEASE</rights><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>230,776,881,27546,27547</link.rule.ids><linktorsrc>$$Uhttps://apps.dtic.mil/sti/citations/ADP003082$$EView_record_in_DTIC$$FView_record_in_$$GDTIC$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>Boletis,E</creatorcontrib><creatorcontrib>Sieverding,C. H</creatorcontrib><creatorcontrib>Van Hove,W</creatorcontrib><creatorcontrib>VON KARMAN INST FOR FLUID DYNAMICS RHODE-SAINT-GENESE (BELGIUM)</creatorcontrib><title>Effects of a Skewed Inlet End Wall Boundary Layer on the 3-D Flow Field in an Annular Turbine Cascade</title><description>This paper presents results of an experimental investigation on the effect of a skewed inlet boundary layer on the flow field in a low speed, low aspect ratio, high turning annular turbine nozzle guide vane. Three test series, differing by their degree of inlet skew, were performed. The flow was explored by means of double head four hole pressure probes in five axial planes from upstream to far downstream of the blade row. Results are presented in the form of contour plots and spanwise pitch-averaged distributions. The axial evolution of the measured pitch-averaged spanwise flow angle distribution is compared with a three dimensional, inviscid, rotational flow calculation.
This article is from the Proceedings of the Conference on Viscous Effects in Turbomachines Held at Copenhagen, Denmark on 1-3 Jun 83, AD-A139 749, p16-1 - 16-16.</description><subject>Annular turbines</subject><subject>Aspect ratio</subject><subject>Belgium</subject><subject>Boundary layer flow</subject><subject>Cascade structures</subject><subject>Component Reports</subject><subject>End wall boundary layer</subject><subject>Flow fields</subject><subject>Hubs</subject><subject>Inlet guide vanes</subject><subject>Low velocity</subject><subject>Multistage turbines</subject><subject>NATO furnished</subject><subject>Pressure distribution</subject><subject>Secondary flow</subject><subject>Skewed inlets</subject><subject>Skewness</subject><subject>Thickness</subject><subject>Three dimensional flow</subject><subject>Vortices</subject><subject>Walls</subject><fulltext>true</fulltext><rsrctype>report</rsrctype><creationdate>1983</creationdate><recordtype>report</recordtype><sourceid>1RU</sourceid><recordid>eNqFyrsKwkAQRuE0FqK-gcX_AoFgGtuYCwoWggHLMGZncXGYhd0NIW-vhb3VKb6zzri1lscU4S0I9zfPbHBR4YRWDR4kgpOf1FBYcKWFA7wivRhl3qATP6NzLAZOQYpKdRIK6KfwdMqoKY5keJutLEnk3a-bbN-1fX3OTXLjENN3TUPV3IqiLI6H8g9_ABDYOS8</recordid><startdate>198309</startdate><enddate>198309</enddate><creator>Boletis,E</creator><creator>Sieverding,C. H</creator><creator>Van Hove,W</creator><scope>1RU</scope><scope>BHM</scope></search><sort><creationdate>198309</creationdate><title>Effects of a Skewed Inlet End Wall Boundary Layer on the 3-D Flow Field in an Annular Turbine Cascade</title><author>Boletis,E ; Sieverding,C. H ; Van Hove,W</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-dtic_stinet_ADP0030823</frbrgroupid><rsrctype>reports</rsrctype><prefilter>reports</prefilter><language>eng</language><creationdate>1983</creationdate><topic>Annular turbines</topic><topic>Aspect ratio</topic><topic>Belgium</topic><topic>Boundary layer flow</topic><topic>Cascade structures</topic><topic>Component Reports</topic><topic>End wall boundary layer</topic><topic>Flow fields</topic><topic>Hubs</topic><topic>Inlet guide vanes</topic><topic>Low velocity</topic><topic>Multistage turbines</topic><topic>NATO furnished</topic><topic>Pressure distribution</topic><topic>Secondary flow</topic><topic>Skewed inlets</topic><topic>Skewness</topic><topic>Thickness</topic><topic>Three dimensional flow</topic><topic>Vortices</topic><topic>Walls</topic><toplevel>online_resources</toplevel><creatorcontrib>Boletis,E</creatorcontrib><creatorcontrib>Sieverding,C. H</creatorcontrib><creatorcontrib>Van Hove,W</creatorcontrib><creatorcontrib>VON KARMAN INST FOR FLUID DYNAMICS RHODE-SAINT-GENESE (BELGIUM)</creatorcontrib><collection>DTIC Technical Reports</collection><collection>DTIC STINET</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Boletis,E</au><au>Sieverding,C. H</au><au>Van Hove,W</au><aucorp>VON KARMAN INST FOR FLUID DYNAMICS RHODE-SAINT-GENESE (BELGIUM)</aucorp><format>book</format><genre>unknown</genre><ristype>RPRT</ristype><btitle>Effects of a Skewed Inlet End Wall Boundary Layer on the 3-D Flow Field in an Annular Turbine Cascade</btitle><date>1983-09</date><risdate>1983</risdate><abstract>This paper presents results of an experimental investigation on the effect of a skewed inlet boundary layer on the flow field in a low speed, low aspect ratio, high turning annular turbine nozzle guide vane. Three test series, differing by their degree of inlet skew, were performed. The flow was explored by means of double head four hole pressure probes in five axial planes from upstream to far downstream of the blade row. Results are presented in the form of contour plots and spanwise pitch-averaged distributions. The axial evolution of the measured pitch-averaged spanwise flow angle distribution is compared with a three dimensional, inviscid, rotational flow calculation.
This article is from the Proceedings of the Conference on Viscous Effects in Turbomachines Held at Copenhagen, Denmark on 1-3 Jun 83, AD-A139 749, p16-1 - 16-16.</abstract><oa>free_for_read</oa></addata></record> |
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| source | DTIC Technical Reports |
| subjects | Annular turbines Aspect ratio Belgium Boundary layer flow Cascade structures Component Reports End wall boundary layer Flow fields Hubs Inlet guide vanes Low velocity Multistage turbines NATO furnished Pressure distribution Secondary flow Skewed inlets Skewness Thickness Three dimensional flow Vortices Walls |
| title | Effects of a Skewed Inlet End Wall Boundary Layer on the 3-D Flow Field in an Annular Turbine Cascade |
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