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Keywords: thermodynamics
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Journal Articles
Article Type: Research Papers
J. Turbomach. July 2012, 134(4): 041009.
Published Online: July 20, 2011
... thermodynamic loss increase of about 0.7% at low coolant injection rates. Increasing the blowing rates, the additional loss vanishes. 20 09 2010 17 10 2010 20 07 2011 20 07 2011 blades coolants cooling film flow nozzles pressure thermodynamics turbulence In advanced...
Journal Articles
Article Type: Research Papers
J. Turbomach. July 2012, 134(4): 041003.
Published Online: July 19, 2011
...Valerio Lallini; Jan Janikovic; Pericles Pilidis; Riti Singh; Panagiotis Laskaridis A tool to evaluate the turbine cooling air schedule during the flight path is presented. The method is suitable for complex gas turbine engine models where accurate calculation of thermodynamic parameters of a...
Journal Articles
Article Type: Research Papers
J. Turbomach. July 2010, 132(3): 031006.
Published Online: March 24, 2010
... containing the vortices rotates at a slower speed than the disks: that is, the rotating core “slips” relative to the disks. These flows are examples of self-organizing systems, which are found in the world of far-from-equilibrium thermodynamics and which are associated with the maximum entropy production...
Journal Articles
Article Type: Research Papers
J. Turbomach. January 2010, 132(1): 011001.
Published Online: September 11, 2009
...John Harinck; P. Colonna; A. Guardone; S. Rebay This paper presents a quantitative comparison of the effect of using thermodynamic models of various degrees of complexity if applied to fluid-dynamic simulations of turboexpanders operated at conditions affected by strong real-gas effects. The 2D...
Journal Articles
Article Type: Technical Papers
J. Turbomach. April 2007, 129(2): 221–231.
Published Online: May 29, 2006
... blades cooling aerodynamics thermodynamics computational fluid dynamics 23 05 2006 29 05 2006 The model coefficients are tuned to allow the reconstruction of the thermal field associated with the velocity field. In order to proceed, the film-cooled flat-plate experiment of Rydholm...
Journal Articles
Article Type: Technical Papers
J. Turbomach. July 2007, 129(3): 457–467.
Published Online: February 1, 2005
... (iv) provide rear stage choking relief at low corrected speed. In addition, it is found that, if available, cooling in the front stages is better than in the rear stages. This is primarily a thermodynamic effect that results from the fact that, for a given gas, the compression work required to achieve...
Journal Articles
Article Type: Technical Briefs
J. Turbomach. October 2004, 126(4): 677–679.
Published Online: December 29, 2004
... . Manuscript received and accepted by the ASME Turbomachinery Division, May 6, 2004. Associate Editor: D. C. Wisler. 06 May 2004 29 12 2004 compressors fluid dynamics thermodynamics Many papers in the literature have been devoted to study of the “boundary layers” on the annulus...
Journal Articles
Article Type: Technical Papers
J. Turbomach. July 2003, 125(3): 489–496.
Published Online: August 27, 2003
...Qun Zheng; Yufeng Sun; Shuying Li; Yunhui Wang Thermodynamic model of wet compression process is established in this paper. The topics of ideal wet compression process, actual wet compression process, water droplet evaporative rate, wet compression work, inlet evaporative cooling, concept of wet...
Journal Articles
Article Type: Technical Papers
J. Turbomach. April 2002, 124(2): 214–221.
Published Online: April 9, 2002
... thermodynamics This paper is Part II of a study concerned with developing a formal framework for modeling air-cooled gas turbine cycles and deals with the detailed specification of cooling flowrates and losses. A general discussion of the thermodynamics of air-cooling was presented in Part I (Young and...
Journal Articles
Article Type: Technical Papers
J. Turbomach. April 2002, 124(2): 222.
Published Online: April 9, 2002
...J. H. Horlock 09 04 2002 gas turbines cooling heat transfer entropy thermodynamics fluid mechanics The authors are to be commended for adding considerably to our understanding of the fluid mechanics and thermodynamics of turbine cooling. I would pick out the...
Journal Articles
Article Type: Technical Papers
J. Turbomach. April 2002, 124(2): 207–213.
Published Online: April 9, 2002
...J. B. Young; R. C. Wilcock This paper is Part I of a study concerned with developing a formal framework for modeling air-cooled gas turbine cycles and deals with basic thermodynamic issues. Such cycles involve gas mixtures with varying composition which must be modeled realistically. A possible...
Journal Articles
Article Type: Technical Papers
J. Turbomach. October 2001, 123(4): 720–729.
Published Online: February 1, 2001
...Martin Nicklas Thermodynamic and aerodynamic measurements were carried out in a linear turbine cascade with transonic flow field. Heat transfer and adiabatic film-cooling effectiveness resulting from the interaction of the flow field and the ejected coolant at the endwall were measured and will be...
Journal Articles
Article Type: Technical Papers
J. Turbomach. October 2001, 123(4): 687–696.
Published Online: February 1, 2001
..., June 4–7, 2001. Manuscript received by the International Gas Turbine Institute February 2001. Paper No. 2001-GT-119. Review Chair: R. Natole. 04 June 2001 01 February 2001 gas turbines aerodynamics cooling rotors thermodynamics high-pressure effects rotational flow...