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Keywords: turbocharger
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Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. November 2022, 144(11): 111002.
Paper No: GTP-22-1275
Published Online: September 20, 2022
...Wonbae Jung; Luis San Andrés; Jungbae Kim Automotive turbochargers (TCs) use an engine oil lubricated bearing system to produce acceptable performance (as per the engine volumetric efficiency) and proven reliability. However, the bearings also cause TC rotordynamic responses that are rich...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2021, 143(1): 011013.
Paper No: GTP-20-1459
Published Online: January 4, 2021
...Luis San Andrés; Wonbae Jung; Seong-Ki Hong Oil-engine lubricated turbochargers (TCs) operate at high temperature and must withstand large temperature gradients that produce severe thermomechanical stresses in the TC mechanical components. Thus, an insight into the thermal energy flows...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. May 2019, 141(5): 051019.
Paper No: GTP-17-1430
Published Online: March 11, 2019
...Houchuan Fan; Jimin Ni; Xiuyong Shi; Dayong Qu; Yi Zheng; Yinghong Zheng This paper discusses the performance and the mass flow characteristics of a twin-entry turbocharger turbine with a fixed nozzle entry and a nozzleless entry for the automotive application. Because the configuration, which...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. October 2014, 136(10): 101511.
Paper No: GTP-14-1108
Published Online: May 2, 2014
... Wisler. 18 02 2014 25 02 2014 Turbochargers are a key technology to deliver fuel consumption reductions on future internal combustion engines. However, the current industry standard modeling approaches assume the turbine and compressor operate under adiabatic conditions. Although...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. July 2014, 136(7): 072501.
Paper No: GTP-14-1007
Published Online: February 18, 2014
... Wisler. 08 01 2014 09 01 2014 Many high speed turbochargers are known to operate with limit cycle vibration as a result of fluid-film instability. The goal of this research was to achieve a stable synchronous response with a minimum of self-excited nonsynchronous contribution. Those...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. May 2013, 135(5): 052801.
Paper No: GTP-11-1377
Published Online: April 23, 2013
...; published online April 23, 2013. Assoc. Editor: Zoran S. Filipi. 10 11 2011 24 10 2012 Active control turbocharger (ACT) has been proposed as a way to improve turbocharger performance under highly pulsating exhaust flows. This technique implies that the variable geometry mechanism...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. March 2012, 134(3): 032506.
Published Online: January 4, 2012
...Yong-Bok Lee; Dong-Jin Park; Tae Ho Kim; Kyuho Sim This paper present the development of an oil-free turbocharger (TC) supported on gas foil bearings (GFBs) and its performance evaluation in a test rig driven by a diesel vehicle engine (EG). The rotor-bearing system was designed via a rotordynamic...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. December 2011, 133(12): 122501.
Published Online: August 26, 2011
...Ankur Ashtekar; Farshid Sadeghi The objectives of this investigation were to design and construct a high speed turbocharger test rig (TTR) to measure dynamics of angular contact ball bearing rotor system, and to develop a coupled dynamic model for the ball bearing rotor system to corroborate...
Journal Articles
Publisher: ASME
Article Type: Technical Briefs
J. Eng. Gas Turbines Power. November 2010, 132(11): 114504.
Published Online: August 12, 2010
..., was selected and developed. The performance tests of coupling the gas generator with a turbocharger showed acceptable results for an aircraft EPU with decomposition above 90%, 37 kW maximum turbine output power, and a maximum starting delay of 1.2 s during normal starting operation. The gas generator also...