... thermodynamic loss increase of about 0.7% at low coolant injection rates. Increasing the blowing rates, the additional loss vanishes. Boletis , E. , 1985 , “ Effects of Outer Diameter Endwall Contouring on the Three-Dimensional Flow Field in an Annular Turbine Nozzle Guide Vane: Part I—Experimental...

...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...

... 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...

...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...

... for performing the full computation. 23 05 2006 29 05 2006 gas turbines blades cooling aerodynamics thermodynamics computational fluid dynamics Increasing the specific work and cycle efficiency of gas turbines is a major issue in modern energy conversion technology...

..., and (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...

... useful and enlightening. compressors fluid dynamics thermodynamics 06 May 2004 29 12 2004 Contributed by the Turbomachinery Division of THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS for publication in the JOURNAL OF TURBOMACHINERY . Manuscript received and accepted...

...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...

... and heat transfer in a one-dimensional flow gas turbines cooling gases losses rotors coatings entropy modelling thermodynamics This paper is Part II of a study concerned with developing a formal framework for modeling air-cooled gas turbine cycles and deals...

...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...

...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...

...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...

..., 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...