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Keywords: Cooling
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Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. September 2018, 140(9): 091202.
Paper No: GTP-17-1383
Published Online: June 15, 2018
... in the J OURNAL OF E NGINEERING FOR G AS T URBINES AND P OWER . Manuscript received July 21, 2017; final manuscript received November 5, 2017; published online June 15, 2018. Assoc. Editor: Klaus Dobbeling. 21 07 2017 05 11 2017 Energy systems Combustors Cooling Design...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. September 2018, 140(9): 091201.
Paper No: GTP-18-1043
Published Online: May 29, 2018
...Feijia Yin; Floris S. Tiemstra; Arvind G. Rao As the overall pressure ratio (OPR) and turbine inlet temperature (TIT) of modern gas turbines are constantly being increased in the pursuit of increasing efficiency and specific power, the effect of bleed cooling air on the engine performance...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. August 2018, 140(8): 081701.
Paper No: GTP-17-1352
Published Online: May 15, 2018
... Combustion Cooling Environmental Experimental Fluids Fossil power generation Fuel combustion Fuels Gas turbine technology Gaseous Heat transfer Mass Transfer Mixed Process Natural gas technology Packed Beds Participating Media Phase change Power systems Reliability Coupled behavior...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. July 2018, 140(7): 072803.
Paper No: GTP-17-1534
Published Online: April 24, 2018
... using empirical research methods. The engine was a 118 cm 3 displacement, single cylinder ICE. Energy pathways were characterized as a percentage of the total chemical energy available in the fuel. Energy pathways were characterized into four categories: brake power, cooling load, exhaust sensible...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. August 2018, 140(8): 081503.
Paper No: GTP-17-1043
Published Online: April 20, 2018
...Alejandro M. Briones; Scott D. Stouffer; Konstantinos Vogiatzis; Keith Rein; Brent A. Rankin The effects of effusion and film cooling momenta on combustor flow fields are investigated. Steady, compressible three-dimensional (3D) simulations are performed on a single-swirler combustor using Reynolds...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. July 2018, 140(7): 071502.
Paper No: GTP-17-1195
Published Online: April 11, 2018
... or sticking on metal walls. The results indicate that due to the particle inertia and combustor geometry, the volcanic ash concentration in the NGV cooling passage generally increases with ash size and density, and is less sensitive to inlet velocity. It can reach three times as high as that at the air inlet...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. May 2018, 140(5): 051902.
Paper No: GTP-17-1174
Published Online: December 19, 2017
.... Editor: David Wisler. 20 05 2017 14 06 2017 Cooling Engines Experimental Gas turbine technology Heat transfer Turbines In the quest for ever-increasing gas turbine performance, the firing temperature of these machines has increased steadily to the point where...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2018, 140(2): 022603.
Paper No: GTP-17-1325
Published Online: October 3, 2017
.... The sensitivity to the modeling time steps employed is explored. An impingement geometry case is used to assess the validity of the technique, and a passage with film cooling holes is interrogated. Differences are seen for all sticking and solid phase motion models employed. At small solid particle sizes...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. November 2017, 139(11): 112601.
Paper No: GTP-16-1545
Published Online: July 19, 2017
... − P ∞ ) / ( P 0 , inlet − P ∞ ) ) C P ,rel = blade relative inlet pressure coefficient ( ( P − P ∞ ) / ( P 0 , rel − P ∞ ) ) C w = dimensionless cooling flow rate ( m ˙ purge / ( μ   r b...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. October 2017, 139(10): 102102.
Paper No: GTP-16-1356
Published Online: May 9, 2017
... inlet temperature (TIT) have been made mainly through innovations in cooling technology, specifically convective cooling schemes. Laser additive manufacturing (LAM) is a promising manufacturing technology that uses lasers to selectively melt powders of metal in a layer-by-layer process to directly...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. October 2017, 139(10): 101901.
Paper No: GTP-17-1101
Published Online: April 25, 2017
...Xueying Li; Jing Ren; Hongde Jiang The switch from diffusive combustion to premixed combustion in a modern gas turbine changes the combustor exit temperature profile to a more uniform one. This will directly affect the cooling of the first stage vane especially the endwall region. A typical endwall...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. October 2017, 139(10): 102101.
Paper No: GTP-16-1304
Published Online: April 25, 2017
... received July 5, 2016; final manuscript received November 1, 2016; published online April 25, 2017. Editor: David Wisler. 05 07 2016 01 11 2016 Cooling Heat transfer Heat transfer optimization is critical in gas turbines design. The turbine entry temperature (TET) is well...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. September 2017, 139(9): 091502.
Paper No: GTP-16-1518
Published Online: April 11, 2017
... Combustors Composites Cooling Experimental Gas turbine technology Heat transfer Modeling Radiation Stress analysis Temperature Thermal With the goal of improving the fuel efficiency and environmental friendliness of aircraft, engine manufacturers are developing ceramic materials...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. July 2017, 139(7): 071901.
Paper No: GTP-16-1464
Published Online: March 7, 2017
... steady state is reached, d T /d t  = 0, another set of eight images are taken. Images of the TSP surface are acquired using a PCO-1600 thermoelectrically cooled charged-coupled device (CCD) camera with a resolution of 1600 × 1200. The cameras are located perpendicular to the center of the curved and flat...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. July 2017, 139(7): 072603.
Paper No: GTP-16-1472
Published Online: February 14, 2017
... and to minimize the engine specific fuel consumption. To prevent overheating of the materials and thus the reduction of component life, an internal flow system is required to cool and protect the critical engine parts. Previous studies have shown that the insertion of a deflector plate in turbine cavities leads...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2017, 139(6): 061902.
Paper No: GTP-16-1134
Published Online: January 24, 2017
... researchers have reported that the system might fail without an appropriate cooling mechanism. The objective of the current research is to demonstrate the reliability of GFBs installed in the hot section of a micro-gas turbine (MGT). For the cooling of the GFBs, we designed a secondary flow passage...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. May 2017, 139(5): 051504.
Paper No: GTP-16-1199
Published Online: January 10, 2017
...A. Duncan Walker; Bharat Koli; Liang Guo; Peter Beecroft; Marco Zedda To manage the increasing turbine temperatures of future gas turbines a cooled cooling air system has been proposed. In such a system some of the compressor efflux is diverted for additional cooling in a heat exchanger (HX...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. May 2017, 139(5): 051901.
Paper No: GTP-16-1330
Published Online: January 4, 2017
... for publication in the J OURNAL OF E NGINEERING FOR G AS T URBINES AND P OWER . Manuscript received July 12, 2016; final manuscript received August 25, 2016; published online January 4, 2017. Editor: David Wisler. 12 07 2016 25 08 2016 Computational Computational fluid dynamics Cooling...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. May 2017, 139(5): 051201.
Paper No: GTP-16-1140
Published Online: November 22, 2016
... November 22, 2016. Assoc. Editor: Riccardo Da Soghe. 15 04 2016 29 08 2016 Aerodynamics Aerospace applications Computational fluid dynamics Cooling Experimental Gas turbine technology Heat exchangers In recent aero-engine core concept development, heat exchangers have...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2017, 139(3): 031507.
Paper No: GTP-16-1275
Published Online: October 4, 2016
... analysis of the frictional force between WHIPOX ™ and alloy Inconel ® 718 (left); dynamic examination with pressure spring (center); and dynamic examination without pressure spring (right) The design of the combustor head offered the opportunity to change the cooling air pressure drop across...