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A Near Field Investigation Into The Effects Of Geometry And Compound Angle On The Flowfield Of A Row Of Film Cooling Holes Asme 98 Gt 279
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Book Synopsis A near-field investigation into the effects of geometry and compound angle on the flowfield of a row of film cooling holes, ASME 98-GT-279 by : Phillip A. Berger
Download or read book A near-field investigation into the effects of geometry and compound angle on the flowfield of a row of film cooling holes, ASME 98-GT-279 written by Phillip A. Berger and published by . This book was released on 1998 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Presented at the International Gas Turbine & Aeroengine Congress & Exhibition, Stockholm, Sweden, June 2 - June 5, 1998.
Download or read book ASME Technical Papers written by and published by . This book was released on 1998 with total page 532 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Near-field Investigation Into the Effects of Hole Geometry and Compound Angle on the Downstream Flowfield of a Row of Film Cooling Holes by : Phillip Andrew Berger
Download or read book A Near-field Investigation Into the Effects of Hole Geometry and Compound Angle on the Downstream Flowfield of a Row of Film Cooling Holes written by Phillip Andrew Berger and published by . This book was released on 1997 with total page 320 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Paper written by and published by . This book was released on 1998 with total page 428 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Journal of Thermophysics and Heat Transfer by :
Download or read book Journal of Thermophysics and Heat Transfer written by and published by . This book was released on 2002 with total page 1216 pages. Available in PDF, EPUB and Kindle. Book excerpt: This journal is devoted to the advancement of the science and technology of thermophysics and heat transfer through the dissemination of original research papers disclosing new technical knowledge and exploratory developments and applications based on new knowledge. It publishes papers that deal with the properties and mechanisms involved in thermal energy transfer and storage in gases, liquids, and solids or combinations thereof. These studies include conductive, convective, and radiative modes alone or in combination and the effects of the environment.
Download or read book Journal of Fluids Engineering written by and published by . This book was released on 1999 with total page 964 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Effects of compound angle injection on flat-plate film cooling through a row of conical holes, ASME 98-GT-459 by : Ping-Hei Chen
Download or read book Effects of compound angle injection on flat-plate film cooling through a row of conical holes, ASME 98-GT-459 written by Ping-Hei Chen and published by . This book was released on 1998 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Presented at the International Gas Turbine & Aeroengine Congress & Exhibition, Stockholm, Sweden, Jun 2-Jun 5, 1998.
Book Synopsis Effects of Hole Length, Supply Plenum Geometry, and Freestream Turbulence on Film Cooling Performance by :
Download or read book Effects of Hole Length, Supply Plenum Geometry, and Freestream Turbulence on Film Cooling Performance written by and published by . This book was released on 2000 with total page 324 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Entrance effects on diffused film-cooling holes, ASME 98-GT-402 by : A. Kohli
Download or read book Entrance effects on diffused film-cooling holes, ASME 98-GT-402 written by A. Kohli and published by . This book was released on 1998 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Presented at the International Gas Turbine & Aeroengine Congress & Exhibition, Stockholm, Sweden, Jun 2-5, 1998.
Book Synopsis An Experimental Investigation on the Effects of Film Cooling Hole Geometry by : David Seager
Download or read book An Experimental Investigation on the Effects of Film Cooling Hole Geometry written by David Seager and published by . This book was released on 1998 with total page 228 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Curvature effects on discrete-hole film cooling, ASME 98-GT-373 by : Mulugeta K. Berhe
Download or read book Curvature effects on discrete-hole film cooling, ASME 98-GT-373 written by Mulugeta K. Berhe and published by . This book was released on 1998 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Presented at the International Gas Turbine & Aeroengine Congress & Exhibition, Stockholm, Sweden, Jun 2-5, 1998.
Book Synopsis Investigation of discrete-hole film cooling parameters using curved-plate models, ASME 98-GT-374 by : Mulugeta K. Berhe
Download or read book Investigation of discrete-hole film cooling parameters using curved-plate models, ASME 98-GT-374 written by Mulugeta K. Berhe and published by . This book was released on 1998 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Presented at the International Gas Turbine & Aeroengine Congress & Exhibition, Stockholm, Sweden, Jun 2-5, 1998.
Book Synopsis Effects of bulk flow pulsations on film cooling from spanwise oriented holes, ASME 98-GT-211 by : I. S. Jung
Download or read book Effects of bulk flow pulsations on film cooling from spanwise oriented holes, ASME 98-GT-211 written by I. S. Jung and published by . This book was released on 1998 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Presented at the International Gas Turbine & Aeroengine Congress & Exhibition, Stockholm, Sweden, June 2 - June 5, 1998.
Book Synopsis Investigation of Inlet and Diffuser Geometry Modifications on Film Cooling Performance of Additively Manufactured Shaped Holes in Crossflow by : Fraser Black Jones (III)
Download or read book Investigation of Inlet and Diffuser Geometry Modifications on Film Cooling Performance of Additively Manufactured Shaped Holes in Crossflow written by Fraser Black Jones (III) and published by . This book was released on 2020 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Film cooling holes permit gas turbine firing temperatures to significantly exceed the melting point of the constituent materials by venting compressor bleed air along the surface of a component forming a buffer between the wall and surrounding gas. A film cooling hole is a passive geometric feature with performance entirely derived from the holes geometry and the operating conditions of the coolant and mainstream. Significant effort has been made to characterize a wide variety of hole geometries but no method has been put forth to determine the optimal hole geometry for a given local flow field and component. Even for traditional, subtractive machined holes this would be a daunting task, but the difficulty grows exponentially as additive manufacturing (AM) permits greater design freedom to the thermal engineer. Presented here is a validated method for determining the optimal film cooling hole geometry of both traditionally or additively manufactured components using computationally inexpensive RANS CFD. Additionally, beyond just validating existing designs, this method can generate novel designs which leverage additive manufacturings unique design space to significantly enhance performance beyond what is possible with traditionally machined holes. While this method has many limitations inherited from RANS, which we will explore in depth, it has proven robust and effective at calculating performance in any coolant/mainstream flowfield. This work stands unique in film cooling literature but will hopefully be superseded by improved methods still to come. Realizable K-epsilon RANS is validated and found to be robust in predicting the flow field of film cooling holes. This information is used to investigate the flow inside of holes where traditional experimental methods are severely restricted. Key separation regions at the inlet and diffuser are identified to be severely detrimental to film cooling performance. CFD was used to predict geometries that would improve hole performance leveraging the unique design freedoms of additive manufacturing. This resulted in large performance gains as predicted by the RANS. Furthermore, as the gross separation regions within the hole were improved, the RANS predictions of surface temperature were found to be increasingly reliably. CFD was employed to search for better performing traditional and AM diffuser designs, the best of which were verified experimentally to significantly improve performance as predicted. Finally, adjoint optimization was used to fully optimize the hole geometry yielding further improvements in performance which were again experimentally validated
Book Synopsis Shaped Hole Effects on Film Cooling Effectiveness and a Comparison of Multiple Effectiveness Measurement Techniques by : Trent Alan Varvel
Download or read book Shaped Hole Effects on Film Cooling Effectiveness and a Comparison of Multiple Effectiveness Measurement Techniques written by Trent Alan Varvel and published by . This book was released on 2005 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: This experimental study consists of two parts. For the first part, the film cooling effectiveness for a single row of seven cylindrical holes with a compound angle is measured on a flat surface using five different measurement techniques: steady-state liquid crystal thermography, transient liquid crystal thermography, pressure sensitive paint (PSP), thermocouples, and infrared thermography. A comparison of the film cooling effectiveness from each of the measurement techniques is presented. All methods show a good comparison, especially for the higher blowing ratios. The PSP technique shows the most accurate measurements and has more advantages for measuring film cooling effectiveness. Also, the effect of blowing ratio on the film cooling effectiveness is investigated for each of the measurement techniques. The second part of the study investigates the effect of hole geometries on the film cooling effectiveness using pressure sensitive paint. Nitrogen is injected as the coolant air so that the oxygen concentration levels can be obtained for the test surface. The film effectiveness is then obtained by the mass transfer analogy. Five total hole geometries are tested: fan-shaped laidback with a compound angle, fan-shaped laidback with a simple angle, a conical configuration with a compound angle, a conical configuration with a simple angle, and the reference geometry (cylindrical holes) used in part one. The effect of blowing ratio on film cooling effectiveness is presented for each hole geometry. The spanwise averaged effectiveness for each geometry is also presented to compare the geometry effect on film cooling effectiveness. The geometry of the holes has little effect on the effectiveness at low blowing ratios. The laterally expanded holes show improved effectiveness at higher blowing ratios. All experiments are performed in a low speed wind tunnel with a mainstream velocity of 34 m/s. The coolant air is injected through the coolant holes at four different coolant-to-mainstream velocity ratios: 0.3, 0.6, 1.2, and 1.8.
Book Synopsis Film cooling effectiveness and heat/mass transfer coefficient measurement around a conical-shaped hole with a compound angle injection, ASME 99-GT-38 by : H. H. Cho
Download or read book Film cooling effectiveness and heat/mass transfer coefficient measurement around a conical-shaped hole with a compound angle injection, ASME 99-GT-38 written by H. H. Cho and published by . This book was released on 1999 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Presented at the International Gas Turbine & Aeroengine Congress & Exhibition, Indianapolis, Indiana, June 7-June 10, 1999.
Book Synopsis Springer Handbook of Experimental Fluid Mechanics by : Cameron Tropea
Download or read book Springer Handbook of Experimental Fluid Mechanics written by Cameron Tropea and published by Springer Science & Business Media. This book was released on 2007-10-09 with total page 1570 pages. Available in PDF, EPUB and Kindle. Book excerpt: Accompanying DVD-ROM contains ... "all chapters of the Springer Handbook."--Page 3 of cover.
