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Keywords: Condensation
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Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. November 2018, 140(11): 112503.
Paper No: GTP-17-1220
Published Online: July 31, 2018
...Bing Guo; Weixiao Tang Condensing flow induced vibration (CFIV) of the rotor blade is a tough problem for designers of nuclear turbines because nonequilibrium condensing flow excitation (NECFE) is hard to be directly modeled. Generally, in design, NECFE is assumed as equilibrium condensing flow...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. November 2018, 140(11): 111702.
Paper No: GTP-18-1080
Published Online: July 31, 2018
... and CO 2 are produced and expelled as part of the exhaust gases. In an IBC, in order to reduce compression work, the exhaust gases are cooled before compression up to ambient pressure. If coolant with a low enough temperature is available, it is possible to condense some of the water out of the exhaust...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. May 2018, 140(5): 051601.
Paper No: GTP-17-1295
Published Online: December 27, 2017
... deviates strongly from its base performance when subjected to wet gas flow. Power consumption typically increases, while efficiency drops with increased liquid content [ 1 ]. Shaft thrust loads are increased [ 2 ]. Wet gas also affects the surge and stall behavior of the compressor. Condensation...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2018, 140(4): 041701.
Paper No: GTP-17-1395
Published Online: November 7, 2017
... the power requirements, supercritical carbon dioxide compressors must operate near saturation where phase change effects are important. Nonequilibrium condensation can occur at the leading edge of the compressor, causing performance and stability issues. The characterization of the fluid at these conditions...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2018, 140(3): 032602.
Paper No: GTP-17-1189
Published Online: October 17, 2017
..., 2017; final manuscript received July 25, 2017; published online October 17, 2017. Editor: David Wisler. 01 06 2017 25 07 2017 Aerodynamics Computational Computational fluid dynamics Condensation Droplet Film Modeling Multiphase flows Phase change Turbines Turbulence...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2018, 140(2): 022604.
Paper No: GTP-17-1370
Published Online: October 3, 2017
... attention is paid to some of the key factors influencing the accuracy of thermal stresses prediction, specifically, the effect of “steam condensation” on thermal BC, the level of detailing for thermal zones definition, thermal contacts, and mesh quality in mechanical models. These aspects have been studied...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. October 2017, 139(10): 102604.
Paper No: GTP-16-1388
Published Online: May 16, 2017
... manuscript received March 4, 2017; published online May 16, 2017. Assoc. Editor: Eric Petersen. 03 08 2016 04 03 2017 Aerodynamics Computational fluid dynamics Condensation Design optimization Turbines An industrial steam turbine (IST) is a power device widely used...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2017, 139(1): 012606.
Paper No: GTP-16-1256
Published Online: September 8, 2016
...Jörg Starzmann; Fiona R. Hughes; Alexander J. White; Marius Grübel; Damian M. Vogt Condensing nozzle flows have been used extensively to validate wet steam models. Many test cases are available in the literature, and in the past, a range of numerical studies have dealt with this challenging task...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2017, 139(1): 012602.
Paper No: GTP-16-1250
Published Online: August 16, 2016
... = saturation state v = vapor phase * = critical radius References [1] White , A. J. , Young , J. B. , and Walters , P. T. , 1996 , “ Experimental Validation of Condensing Flow Theory for a Stationary Cascade of Steam Turbine Blade ,” Philos. Trans. R. Soc...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. October 2015, 137(10): 101506.
Paper No: GTP-15-1059
Published Online: October 1, 2015
...Lu Qiu; Rolf D. Reitz The phase equilibrium solver was used to examine if condensation is possible, given the thermodynamic conditions predicted by the CFD code. Simulations were first performed at the medium load conditions and condensation is seen in Figs. 3 and 4 . At −50 deg ATDC, several...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. August 2015, 137(8): 082602.
Paper No: GTP-14-1592
Published Online: August 1, 2015
...C. Lettieri; D. Yang; Z. Spakovszky Even though the fluid attains super-cooled temperatures, T-T sat up to 36 K, the two-phase calculations show a negligible fraction of liquid CO 2 . This suggests that condensation does not occur. It can therefore be concluded that the computed mass fraction...
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2015, 137(4): 042602.
Paper No: GTP-14-1442
Published Online: October 28, 2014
... Turbinenströmungen (in German) ,” Doctoral thesis, University of Karlsruhe, Karlsruhe, Germany. [13] Young , J. B. , 1982 , “ The Spontaneous Condensation of Steam in Supersonic Nozzles ,” PhysicoChem. Hydrodyn. , 3 ( 1 ), pp. 57 – 82 . [14] Starzmann , J. , Grübel , M. , and Casey , M. V...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2015, 137(3): 032605.
Paper No: GTP-14-1359
Published Online: October 14, 2014
...). Equilibrium and nonequilibrium properties according to the occurring evaporation and condensation phenomena were compared. Equilibrium conditions seem to have a reduced inlet icing risk for the wet case compared to the chilled case. However, comparing the wet case to the unaffected case showed a higher icing...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2015, 137(2): 022002.
Paper No: GTP-14-1381
Published Online: September 10, 2014
... as cooling media in the condenser of a steam power plant. Refrigerants are optimized to replace water/air as coolant in the condenser of a steam power plant. Refrigerants have much lower temperatures and much higher heat transfer rates than water or air. The thermal resistances that affect heat transfer...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. May 2009, 131(3): 031201.
Published Online: February 6, 2009
... emissions simultaneously. In this paper, a novel propulsion concept, which has the potential to reduce all pollutants, is assessed regarding its performance. It is based on gas turbine technology, derived from the intercooled and recuperated engine cycle. Exhaust water condensation is facilitated inside...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. January 2008, 130(1): 011701.
Published Online: December 26, 2007
... of Technology since the 1990s has led to the Graz Cycle, a zero emission power cycle of highest efficiency. It burns fossil fuels with pure oxygen which enables the cost-effective separation of the combustion C O 2 by condensation. The efforts for the oxygen supply in an air separation plant are partly...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Eng. Gas Turbines Power. October 2005, 127(4): 765–772.
Published Online: September 20, 2005
... University of Technology since the 1990s has lead to the Graz Cycle, a zero emission power cycle of highest efficiency. It burns fossil fuels with pure oxygen, which enables the cost-effective separation of the combustion CO 2 by condensation. The efforts for the oxygen supply in an air separation plant...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Eng. Gas Turbines Power. July 2005, 127(3): 539–544.
Published Online: June 24, 2005
...Amir A. Kharazi; Pezhman Akbari; Norbert Mu¨ller Using a novel 3-port condensing wave rotor enhancing the turbocompression in a R718 refrigeration cycle, which uses only water as a refrigerant, has been introduced. The wave-rotor implementation can increase efficiency and reduce size and cost...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Eng. Gas Turbines Power. January 2005, 127(1): 65–72.
Published Online: February 9, 2005
...), different amounts of steam injection (or no steam injection), different amounts of exhaust gas condensation, etc., without limiting these parameters to present-day limits are investigated. A representative power plant with appropriate components for these plant enhancements is developed. A computer program...