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Keywords: torque
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Journal Articles
Article Type: Technical Briefs
J. Eng. Gas Turbines Power. April 2011, 133(4): 044501.
Published Online: November 18, 2010
... swirl meter validated the commonly used practice of evaluating the swirl ratio of diesel engines by integrating the valve flow and torque history over discrete valve lift values. The results indicate the simulations capture the complex interactions occurring in the ports, cylinder, and honeycomb cell...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. December 2010, 132(12): 122801.
Published Online: August 27, 2010
...Joshua A. Bittle; Jesse K. Younger; Timothy J. Jacobs Biodiesel remains an alternative fuel of interest for use in diesel engines. A common characteristic of biodiesel, relative to petroleum diesel, is a lowered heating value (or per mass energy content of the fuel). For same torque engine...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. March 2009, 131(2): 022502.
Published Online: December 19, 2008
... the simultaneous application of dynamic and static load profiles of up to 1000 lb while monitoring and measuring the bearing torque. This capability allows for the characterization of several critical metrics such as bearing lift off speed characteristics, load capacity, and frequency dependent rotordynamic force...
Journal Articles
Article Type: Research Papers
J. Eng. Gas Turbines Power. November 2008, 130(6): 062803.
Published Online: August 21, 2008
...Fabrizio Ponti; Luca Solieri Torque-based engine control systems usually employ a produced torque estimation feedback in order to verify that the strategy target torque has been met. Torque estimation can be performed using static maps describing the engine behavior or using models describing...
Journal Articles
Article Type: Technical Papers
J. Eng. Gas Turbines Power. July 2007, 129(3): 785–791.
Published Online: July 26, 2006
...Morgan L. Hendry; Matthew G. Hoffman Most gas turbine generators rely on an automatic-engaging, free-wheel clutch to connect a starting motor to accelerate the gas turbine generator from zero to some intermediate speed to enable ignition and then provide torque assistance to a higher speed until...
Journal Articles
Article Type: Technical Papers
J. Eng. Gas Turbines Power. October 2003, 125(4): 1050–1058.
Published Online: November 18, 2003
...N. Cavina; F. Ponti The paper presents the development of a methodology for evaluating the torque nonuniformity between the various cylinders of an internal combustion engine (ICE). This nonuniformity can be due, for example, to pathological operating conditions such as misfires or misfuels...
Journal Articles
Article Type: Technical Papers
J. Eng. Gas Turbines Power. July 2003, 125(3): 797–803.
Published Online: August 15, 2003
... of a harmonic component of the engine torque developed in the first part of the paper is used to achieve this goal. The analysis of the half-order components of the gas pressure torque permits to identify distinct phase angle domains of the resultant torque vector that are specific for the deficiencies of given...
Journal Articles
Article Type: Technical Papers
J. Eng. Gas Turbines Power. July 2003, 125(3): 791–796.
Published Online: August 15, 2003
... torque and the crankshaft’s speed are, under steady-state operating conditions, periodic functions of the crank angle and may be expressed by Fourier series. For the lower harmonic orders, the dynamic response of the crankshaft approaches the response of a rigid body and that makes it is possible...