...Medhat A. Nemitallah; Shorab Hossain; Ahmed Abdelhafez; Mohamed A. Habib Effects of flow swirl on stability and flow/flame interactions of premixed oxy-methane flames (CH 4 /O 2 /CO 2 ) are investigated experimentally and numerically in a premixed model gas turbine combustor. Two swirlers of 55-deg...

... blowout operability of gas turbines. Flame stratification was achieved by dividing the incoming reactants into primary and secondary streams of different oxygen fractions (OF). The effects of primary and secondary OFs (primary OFs: 60%, 50%, and 30%; and secondary OFs: 60%, 50%, 40%, and 30%) were...

...Nick Petro; Felipe Lopez Aeroderivative gas turbines have their combustion set points adjusted periodically in a process known as remapping. Even turbines that perform well after remapping may produce unacceptable behavior when external conditions change. This article introduces a digital twin...

... in CO and a reduction in the NO x concentrations were observed. 16 09 2010 02 03 2011 17 06 2011 17 06 2011 air pollution biofuel gas turbines vegetable oils Nowadays, the idea of using vegetable oil and its derivatives as fuel is becoming increasingly interesting...

...Vaibhav Malhotra; W. E. Lear; J. R. Khan; S. A. Sherif A life cycle cost analysis was performed to compare life cycle costs of a novel gas turbine engine to those of a conventional microturbine with similar power capacity. This engine, called the high-pressure regenerative turbine engine (HPRTE...

...Wensheng Lin; Meibin Huang; Hongming He; Anzhong Gu A novel transcritical Rankine cycle is presented in this paper. This cycle adopts CO 2 as its working fluid with exhaust from a gas turbine as its heat source and liquefied natural gas (LNG) as its cold sink. With CO 2 working transcritically...

...T. Srinivas; A. V. S. S. K. S. Gupta; B. V. Reddy Biomass gasification involves the production of a gaseous fuel by partial oxidation of a solid fuel. Clean synthesis (syn) gas, produced from partial combustion of biomass, can be burnt in a gas turbine combustion chamber to run a biomass based...

...Ibrahim Dincer; Marc A. Rosen; Calin Zamfirescu Energy and exergy assessments are reported of integrated power generation using solid oxide fuel cells (SOFCs) with internal reforming and a gas turbine cycle. The gas turbine inlet temperature is fixed at 1573 K and the high-temperature turbine...

...Joseph J. Boza; William E. Lear, Ph.D.; S. A. Sherif, Ph.D. A thermodynamic performance analysis was performed on a novel cooling and power cycle that combines a semiclosed gas turbine called the high-pressure regenerative turbine engine (HPRTE) with an absorption refrigeration unit. Waste heat...

...Farhad Behafarid; Mehdi N. Bahadori The power output of gas turbines (GT) reduces greatly with the increase of the inlet air temperature. This is a serious problem because gas turbines have been used traditionally to provide electricity during the peak power demands, and the peak power demands...

... in which the thermal engine is a small turbo-gas and the traction is fully electric) was demonstrated in a series of previous works by the same authors, and some experimental tests were conducted at the ENEA-Casaccia Laboratories on a small 45 kW gas turbine set, to investigate the performance...

... and its production, too. If the total production is fixed, the gas turbines are adjusted in order to increase their production and to restore their set point. The gas turbines adjustments generally make their efficiencies vary, which means that they suffer induced malfunctions. The effects of the anomaly...

... at the AES Division March 13, 2003; revised manuscript received December 9, 2004. Associate Editor: E. Sciubba. 13 March 2003 09 December 2004 29 03 2005 compressors turbomachinery blades natural gas technology compressible flow confined flow gas turbines Regenerative...

... of Mechanical Engineers , New York, pp. 1 – 5 . Kalina , A. I. , 1984 , “ Combined-Cycle System with Novel Bottoming Cycle ,” ASME J. Eng. Gas Turbines Power 0742-4795 , 106 , pp. 737 – 742 . Kalina , A. I. , and Leibowitz , H. M. , 1989 , “ Application of the Kalina Cycle...

... 28 June 2001 18 April 2002 06 08 2002 gas turbines combustion jets flames wind tunnels carbon compounds nitrogen compounds flow measurement A jet flame in a crossflow (JFCF) has several practical applications including primary combustion zones in gas turbines, reburn...

...Sandro B. Ferreira; Pericles Pilidis There is a difference of opinion regarding the relative merits of gas turbines using biomass fuels. Some engineers believe that the internal combustion gas turbine coupled to a gasifier will give a higher efficiency than the externally fired gas turbine using...

...Masataka Arai; Kenji Amagai; Toshio Mogi Fundamental characteristics of the catalytic combustion of vaporized kerosene spray were experimentally investigated. This study is a part of the development of a ceramic gas turbine engine for automobiles. Kerosene was used as a test fuel and its spray...

... of blades of high-efficiency ceramic gas turbine. The structural reliability of silicon nitride is very often limited due to the softening of glassy phases formed at grain boundaries. On the other hand, silicon carbide, which generally does not contain glassy phase at the grain boundaries, shows excellent...