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Keywords: aircraft
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Journal Articles
Article Type: Review Articles
J. Eng. Gas Turbines Power. December 2020, 142(12): 120801.
Paper No: GTP-20-1184
Published Online: December 2, 2020
...Luca Menegozzo; Ernesto Benini The present paper focuses on the numerical modeling approaches adopted in boundary layer ingestion (BLI) studies. Three driving aircraft concepts have been identified, namely propulsive fuselage concept (PFC), rear engines concept (REC), and distributed fans concept...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. January 2012, 134(1): 011501.
Published Online: October 28, 2011
... and aircraft applications. The unsteady flow field that disturbs the flame consists not only of the incident transverse acoustic wave, but also longitudinal acoustic fluctuations and vortical fluctuations associated with underlying hydrodynamic instabilities of the base flow. We show that the acoustic...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. October 2011, 133(10): 101601.
Published Online: May 6, 2011
...Marvin Zaluski; Sylvain Létourneau; Jeff Bird; Chunsheng Yang The CF-18 (CF denotes Canadian Forces) aircraft is a complex system for which a variety of data are systematically being recorded: flight data from sensors, built-in test equipment data, and maintenance data. Without proper analytical...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. June 2011, 133(6): 062503.
Published Online: February 17, 2011
...Peter Gloeckner; Klaus Dullenkopf; Michael Flouros Operating conditions in high speed mainshaft ball bearings applied in new aircraft propulsion systems require enhanced bearing designs and materials. Rotational speeds, loads, demands on higher thrust capability, and reliability have increased...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. March 2011, 133(3): 032503.
Published Online: November 12, 2010
... the oil flow to the air/oil separator, however, due to the oil flow distribution the thermal effects may lead to high material temperatures and to malfunctions in the engine’s lube system. 18 02 2010 22 06 2010 12 11 2010 12 11 2010 aerospace engines aircraft computational...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. March 2011, 133(3): 031702.
Published Online: November 11, 2010
...Alexandros Terzis; Charilaos Kazakos; Nikolaos Papadopoulos; Anestis Kalfas; Pavlos K. Zachos; Pericles Pilidis The penetration of a jet of fluid into a traversal moving stream is a basic configuration of a wide range of engineering applications, such as film cooling and V/STOL aircrafts...
Journal Articles
Article Type: Technical Briefs
J. Eng. Gas Turbines Power. November 2010, 132(11): 114504.
Published Online: August 12, 2010
...Gyaebyung Yang; Daejong Park; Chun Taek Kim; Sejin Kwon Hydrazine monopropellant is often used with a spontaneous catalyst a high-performance aircraft emergency power unit (EPU) and in aerospace propulsion; however, it is toxic and requires special handling. A hydrogen peroxide ( H 2 O 2 ) -based...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. July 2010, 132(7): 072502.
Published Online: April 14, 2010
...Michael P. Enright; Kwai S. Chan; Jonathan P. Moody; Patrick J. Golden; Ramesh Chandra; Alan C. Pentz Fretting fatigue is a random process that continues to be a major source of damage associated with the failure of aircraft gas turbine engine components. Fretting fatigue is dominated...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. June 2010, 132(6): 061702.
Published Online: March 24, 2010
... decreases by 25.2%. The technology requires further development to meet future noise and emission requirements. 15 04 2009 21 04 2009 24 03 2010 24 03 2010 aircraft gas turbines jet engines Monte Carlo methods thermodynamics environment economics innovative turbofans...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. June 2010, 132(6): 061504.
Published Online: March 19, 2010
...Michael T. Timko; Scott C. Herndon; Ezra C. Wood; Timothy B. Onasch; Megan J. Northway; John T. Jayne; Manjula R. Canagaratna; Richard C. Miake-Lye; W. Berk Knighton The potential human health and environmental impacts of aircraft gas turbine engine emissions during normal airport operation...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. April 2010, 132(4): 041604.
Published Online: January 27, 2010
... to small sample sizes. 25 03 2009 06 04 2009 27 01 2010 27 01 2010 aerospace engines aircraft condition monitoring costing fault diagnosis gas turbines turbines diagnostics metrics cost curves confusion matrices In the past 10 years, interest has grown...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. January 2009, 131(1): 011201.
Published Online: November 20, 2008
...M. Kelaidis; N. Aretakis; A. Tsalavoutas; K. Mathioudakis An aircraft mission analysis procedure, accounting for engine aging deterioration and incorporating emission estimation capability, is presented. It consists of three main modules: a flight simulation module, an engine performance simulation...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. September 2008, 130(5): 051601.
Published Online: June 23, 2008
... of the compressors in series, the HPC also includes customer bleeds (these power aircraft accessories) and VSVs. The latter are to improve the surge margin of the HPC and are modeled by a percentage reduction in corrected mass flow. This reduction is open loop scheduled against corrected HP shaft speed. The reader...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. July 2008, 130(4): 042505.
Published Online: April 29, 2008
...-friction effects from the lubricant film and surfaces in contact, respectively. The test damper reproduces an aircraft application that must contain the lubricant for extended periods of time. The test damper journal is 2.54 cm in length and 12.7 cm in diameter, with a nominal clearance of 0.127 mm...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. March 2008, 130(2): 021701.
Published Online: February 29, 2008
...Stefano Campanari; Giampaolo Manzolini, Research Engineer; Andrea Beretti; Uwe Wollrab In recent years, civil aircraft projects are showing a continuous increase in the demand of onboard electrical power, both for the partial substitution of hydraulic or pneumatic controls and drives...
Journal Articles
Article Type: Technical Papers
J. Eng. Gas Turbines Power. January 2006, 128(1): 1–7.
Published Online: October 21, 2004
...Jorge R. Camacho; Ahsan R. Choudhuri Buoyant and nonbuoyant shapes of methane flames issued from a 2:1 aspect ratio elliptic tube burner were measured. Nonbuoyant conditions were obtained in the KC-135 microgravity research aircraft operated by NASA’s Johnson Space Center. A mathematical model...
Journal Articles
Article Type: Technical Papers
J. Eng. Gas Turbines Power. July 2004, 126(3): 472–474.
Published Online: August 11, 2004
... aircraft gas turbines engines multivariable control systems Multivariable Controls (MVC’s) have been studied for use in aircraft gas turbine engines since the mid 1970s. The typical twin spool, afterburning turbofan engine used for most military applications exhibits coupling between a number...
Journal Articles
Article Type: Announcements And Other Notes
J. Eng. Gas Turbines Power. April 2004, 126(2): 442.
Published Online: June 7, 2004
... and development methodology for modern gas turbine combustion systems. His combustor design was adopted for the Rolls-Royce RB 211 engine that powered Boeing 747, Airbus, and Lockheed 1011 aircraft. He patented the design of novel air-blast fuel injectors and afterburners for Rolls-Royce engines that replaced...
Journal Articles
Article Type: Technical Papers
J. Eng. Gas Turbines Power. January 2004, 126(1): 40–44.
Published Online: March 2, 2004
... to find those technologies representing the best compromise between performance improvement and technology risk. Finally, a practical demonstration of the method and accompanying results is given for a typical commercial aircraft engine technology selection problem. Contributed by the International...
Journal Articles
Article Type: Technical Papers
J. Eng. Gas Turbines Power. January 2007, 129(1): 170–176.
Published Online: March 1, 2004
... 1 million rpm will be achieved. 01 10 2003 01 03 2004 gas turbines machine bearings micromechanical devices aircraft rotors wheels compressors Mesoscopic sized power generating and propulsion systems are currently attracting attention due to their high output energy...