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Keywords: testing
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Journal Articles
Journal:
Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. January 2009, 131(1): 011019.
Published Online: November 10, 2008
... and two rows on the suction side. The coolant injects to one side of the blade, either pressure side or suction side. The presence of wake due to the upstream vanes is simulated by placing a periodic set of rods upstream of the test blade. The wake rods can be clocked by changing their stationary...
Journal Articles
Journal:
Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. January 2008, 130(1): 011020.
Published Online: January 28, 2008
.... Consequently, a new model was built. It was learned that it was necessary to use a two-zone model of the flow entering the vaneless diffuser and to carefully model the two-zone degradation as the flow passes through the vaneless diffuser. The new model is presented with detailed testing. The impact upon future...
Journal Articles
Journal:
Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. January 2008, 130(1): 011007.
Published Online: December 19, 2007
...Michael Bauer; Stephan Staudacher The development of modern gas turbines is accompanied by an extensive prototype testing. To evaluate performance, the engines are fitted with a substantial number of sensors measuring pressures, temperatures, shaft speeds, etc. The test data are analyzed...
Journal Articles
Journal:
Journal of Turbomachinery
Publisher: ASME
Article Type: Technical Papers
J. Turbomach. October 2005, 127(4): 668–678.
Published Online: March 1, 2004
...L. Porreca; T. Behr; J. Schlienger; A. I. Kalfas; R. S. Abhari; J. Ehrhard; E. Janke A unique comparative experimental and numerical investigation carried out on two test cases with shroud configurations, differing only in the labyrinth seal path, is presented in this paper. The blade geometry...
Journal Articles
Journal:
Journal of Turbomachinery
Publisher: ASME
Article Type: Technical Papers
J. Turbomach. October 2005, 127(4): 649–658.
Published Online: March 1, 2003
... a thorough understanding of the leakage losses and especially of the losses connected to enhancing secondary flows and other main flow interactions has to be understood. Therefore, a three stage LP turbine typical for jet engines is being investigated. For the three-stage test turbine 3D Navier-Stokes...
Journal Articles
Simon J. Gallimore, John J. Bolger, Nicholas A. Cumpsty, Mem. ASME, Mark J. Taylor, Peter I. Wright, James M. M. Place
Journal:
Journal of Turbomachinery
Publisher: ASME
Article Type: Technical Papers
J. Turbomach. October 2002, 124(4): 521–532.
Published Online: November 7, 2002
... in the rotor designs. It follows the development of the basic ideas in a university research project, through multistage low-speed model testing, to the application to high pressure engine compressors. An essential element of the project was the use of multistage CFD and some of the development of the method...
Journal Articles
Simon J. Gallimore, John J. Bolger, Nicholas A. Cumpsty, Mem. Asme, Mark J. Taylor, Peter I. Wright, James M. M. Place
Journal:
Journal of Turbomachinery
Publisher: ASME
Article Type: Technical Papers
J. Turbomach. October 2002, 124(4): 533–541.
Published Online: November 7, 2002
... and dihedral in the rotor designs. It follows the development of the basic ideas in a university research project, through multistage low-speed model testing, to their application to the high pressure engine compressor. An essential element of the project was the use of multistage CFD and some...
Journal Articles
Journal:
Journal of Turbomachinery
Publisher: ASME
Article Type: Technical Papers
J. Turbomach. January 2002, 124(1): 27–35.
Published Online: January 1, 2002
... of the compressor and plant characteristics. The control device is employed to suppress surge in an industrial compression system based on a four-stage centrifugal blower. An extensive experimental investigation has been performed in order to test the control effectiveness in various operating points on the stalled...
Journal Articles
Journal:
Journal of Turbomachinery
Publisher: ASME
Article Type: Technical Papers
J. Turbomach. January 2002, 124(1): 45–51.
Published Online: February 1, 2001
... in Cobley et al. (1997). This paper describes the design and test of a re-bladed LP turbine with new “Ultra High Lift” aerofoils, achieving a further reduction of approximately 11 percent in aerofoil count and significant reductions in turbine weight. The design is based on the successful cascade...
Journal Articles
Journal:
Journal of Turbomachinery
Publisher: ASME
Article Type: Technical Papers
J. Turbomach. July 2000, 122(3): 414.
Published Online: July 1, 2000
... on the chord. The optimum shape for the blades should therefore be different for the conditions of the design and the conditions of the tests. Given that the tests were carried out at Reynolds numbers much lower than design, in the range more typical of aircraft engines, and with relatively low free-stream...
Journal Articles
Journal:
Journal of Turbomachinery
Publisher: ASME
Article Type: Technical Papers
J. Turbomach. July 2001, 123(3): 510–518.
Published Online: February 1, 2000
... Efficiency ,” ASME J. Turbomach. , 104 , pp. 111 – 119 . Saroch, M. F., 1996, “Contributions to the Study of Turbomachinery: Part I: Design of a Fish-Tail Diffuser Test Section. Part II: Computations of the Effects of AVDR on Transonic Turbine Cascades,” M. Eng. Thesis, Department of Mechanical...
Journal Articles
Journal:
Journal of Turbomachinery
Publisher: ASME
Article Type: Technical Papers
J. Turbomach. July 2001, 123(3): 544–551.
Published Online: February 1, 2000
...A. R. Wadia; F. D. James The F110-GE-132, originally referred to as the F110-GE-129 EFE (Enhanced Fighter Engine), presently undergoing qualification testing, is being offered at two different thrust/inspection levels with a maximum augmented thrust of 34,000 pounds. The EFE has been developed...
Journal Articles
Journal:
Journal of Turbomachinery
Publisher: ASME
Article Type: Technical Papers
J. Turbomach. July 2001, 123(3): 593–600.
Published Online: February 1, 2000
..., the experiments throw light on the crossover phenomenon, where the presence of the external crossflow can, under certain circumstances, increase the discharge coefficient. This is contrary to most situations, where the external flow results in a decrease in discharge coefficient. The large-scale testing reported...
Journal Articles
Journal:
Journal of Turbomachinery
Publisher: ASME
Article Type: Technical Papers
J. Turbomach. January 2001, 123(1): 154–160.
Published Online: February 1, 2000
...Changmin Son; David Gillespie; Peter Ireland; Geoffrey M. Dailey A study of a large-scale model of an engine representative impingement cooling system has been performed. A series of tests were carried out to characterize the behavior of the system fully. These included cold flow diagnostic tests...
Journal Articles
Journal:
Journal of Turbomachinery
Publisher: ASME
Article Type: Technical Papers
J. Turbomach. April 2001, 123(2): 372–378.
Published Online: February 1, 2000
... in a region which is usually not covered by rig tests. In addition the parameters usually used in compressor maps are no longer appropriate. For these operating conditions a method is presented to extrapolate compressor maps towards very low spool speed down to the locked rotor. Instead of the efficiency more...