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Keywords: heat exchangers
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Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. August 2018, 140(8): 081201.
Paper No: GTP-17-1366
Published Online: May 18, 2018
...Oskar Thulin; Olivier Petit; Carlos Xisto; Xin Zhao; Tomas Grönstedt An exergy framework was developed taking into consideration a detailed analysis of the heat exchanger (HEX) (intercooler (IC)) component irreversibilities. Moreover, it was further extended to include an adequate formulation...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. July 2018, 140(7): 071701.
Paper No: GTP-17-1342
Published Online: April 10, 2018
... is the conventional recuperative (CR) cycle in which a heat exchanger is placed after the power turbine (PT). In the second configuration, referred as alternative recuperative (AR) cycle, a heat exchanger is placed between the high pressure and the PT, while in the third configuration, referred as staged heat...
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. May 2017, 139(5): 051201.
Paper No: GTP-16-1140
Published Online: November 22, 2016
...Xin Zhao; Mikhail Tokarev; Erwin Adi Hartono; Valery Chernoray; Tomas Grönstedt Porous media model computational fluid dynamics (CFD) is a valuable approach allowing an entire heat exchanger system, including the interactions with its associated installation ducts, to be studied at an affordable...
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. December 2016, 138(12): 122001.
Paper No: GTP-15-1525
Published Online: July 19, 2016
... in a recuperator [ 7 – 10 ] before it enters the combustor. Increasing the turbine inlet temperature can cause material selection and durability issues in the hot section and the recuperator, typically requiring more expensive materials with higher temperature capability. Heat exchangers Turbines...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2016, 138(2): 021202.
Paper No: GTP-15-1276
Published Online: September 16, 2015
... 2015 03 08 2015 Engines Exergy Gas turbine technology Heat exchangers Looking forward to future turbofan engines, many interesting ideas on how to bring engine efficiency closer to the limitations exist. In principle, higher OPR implies better efficiency, but the current material...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2016, 138(1): 012602.
Paper No: GTP-15-1302
Published Online: August 25, 2015
... (TEM) RC configurations, modeled after the Airbus Helicopters Bo105 and Aérospatiale SA330 models, simulated under the representative mission scenarios. The installed engines corresponding to both reference RC are notionally modified by incorporating a heat exchanger (HE), enabling heat transfer...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2016, 138(1): 011505.
Paper No: GTP-15-1245
Published Online: August 25, 2015
...A. Reza Razmavar; M. Reza Malayeri Nitrogen oxides (NO x ) emissions from diesel engines can profoundly be suppressed if a portion of exhaust gases is cooled through a heat exchanger known as exhaust gas recirculation (EGR) cooler and returned to the intake of the combustion chamber. One major...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2016, 138(1): 012201.
Paper No: GTP-15-1282
Published Online: August 18, 2015
... , A. , 2014 , “ Role of Channel Shape on Performance of Plate-Fin Heat Exchangers: Experimental Assessment ,” Int. J. Therm. Sci. , 79 , pp. 183 – 193 . 10.1016/j.ijthermalsci.2014.01.004 [4] Gunnasegaran , P. , Shuaib , N. H. , Abdul Jalal , M. F. , and Sandhita , E. , 2012...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2016, 138(1): 011701.
Paper No: GTP-14-1201
Published Online: August 12, 2015
... can be achieved at a low cost. A methodology for the optimal sizing and design of the system is proposed, based on the optimization of both continuous parameters such as heat exchanger size or discrete variables such as working fluid. The methodology is based on yearly simulations, aimed at optimizing...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. December 2015, 137(12): 121701.
Paper No: GTP-15-1264
Published Online: August 4, 2015
... . Manuscript received July 13, 2015; final manuscript received July 15, 2015; published online August 4, 2015. Editor: David Wisler. 13 07 2015 15 07 2015 Aeronautical propulsion Aerospace applications Engines Heat exchangers Aerospace...
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. December 2015, 137(12): 121201.
Paper No: GTP-15-1107
Published Online: June 23, 2015
... optimization Gas turbine technology Heat exchangers Heat recovery Heat transfer Thermodynamics Aerospace Propulsion systems A rotorcraft is a highly complex integrated system, to such extent, that almost every design decision is embraced with compromise. As elaborated by Prouty [ 1...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2015, 137(4): 041205.
Paper No: GTP-14-1470
Published Online: November 5, 2014
..., in the area of recuperation, MTU Aero Engines has been driving research activities in the last decade. This concept is based on the use of a system of heat exchangers (HEXs) mounted inside the hot-gas exhaust nozzle (recuperator). Through the operation of the system of HEXs, the heat from the exhaust gas...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2015, 137(4): 041201.
Paper No: GTP-14-1367
Published Online: October 28, 2014
.... 1780 – 1787 . 10.1016/j.applthermaleng.2006.02.008 [7] Lundbladh , A. , and Sjunnesson , A. , 2003 , “ Heat Exchanger Weight and Efficiency Impact on Jet Engine Transport Applications ,” XVI International Symposium on Air Breathing Engines (ISABE 2003), Cleveland, OH, Aug. 31–Sept. 5...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2015, 137(3): 031506.
Paper No: GTP-14-1419
Published Online: October 7, 2014
... stress-state models (QPSSM) of a rotor and a casing for the initial temperature and dynamic heating. The unique feature of the QPSSM of GTEs is separate equation sets, which allow the heat exchange between structure elements and the gas (air) and the displacements of the turbine rotor and the casing...
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
... , “ Numerical Study of a Power Plant Condenser Tube Arrangement ,” Appl. Therm. Eng. , 40 , pp. 294 – 303 . 10.1016/j.applthermaleng.2012.02.028 [7] Heat Exchange Institute, 2006 , Standards for Steam Surface Condensers , 10th ed. , Heat Exchange Institute Inc. , Cleveland, OH . [8] Pearce...
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. April 2011, 133(4): 042302.
Published Online: November 23, 2010
... for Gas Turbine Engines ,” ASME Paper No. GT-2002-30405. Wilson , D. G. , 2003 , “ Regenerative Heat Exchangers for Microturbines, and an Improved Type ,” ASME Paper No. GT2003-38871. Treece , B. , Vessa , P. , and McKeirnan , R. , 2002 , “ Microturbine Recuperator...