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Keywords: sprays
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Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. September 2018, 140(9): 092808.
Paper No: GTP-18-1104
Published Online: July 30, 2018
... at early injection timings, which has not been observed in large-bore engines operating under RCCI at similar conditions. In this work, computational fluid dynamics (CFD) simulations were performed to investigate whether spray–wall interactions could be responsible for this result. Comparison of the spray...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. October 2018, 140(10): 102811.
Paper No: GTP-18-1096
Published Online: July 10, 2018
... Engines Experimental Fuels Internal combustion engines Jets Sprays Combustion Ambitious targets to reduce greenhouse-gas emissions from internal combustion engines lead to an increased research focus on alternative fuels. Due to the low C/H-ratio and its global availability, natural gas...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. November 2018, 140(11): 111502.
Paper No: GTP-17-1471
Published Online: June 27, 2018
... technology Sprays Swirling Steady liquid fuel combustion is commonly used in boilers, furnaces, and gas turbines. The emission regulations continuously lower the allowed concentration of pollutants, emphasizing nitrogen oxides (NO x ). This limitation used to be commonly fulfilled by injecting...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. October 2018, 140(10): 102809.
Paper No: GTP-18-1088
Published Online: June 25, 2018
... and temperature. The study reveals that the quality of the diesel pilot ignition in terms of short ignition delay and a high number of ignited sprays significantly depends on the injection parameters and operating conditions. In most cases, the pilot fuel suffers from too high dilution due to its small quantity...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. October 2018, 140(10): 102603.
Paper No: GTP-17-1513
Published Online: June 25, 2018
... Nonintrusive diagnostics Sprays Two-phase Visualization Wear The change in energy production from fossil fuels to renewable sources results in a fluctuation of the produced electric energy. To ensure grid stability, a higher flexibility of conventional power plants is getting more and more...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. September 2018, 140(9): 092802.
Paper No: GTP-18-1083
Published Online: May 24, 2018
... with the catalyst was identified as the critical process driving the susceptibility to deposit formation. The spray of urea solution was characterized in terms of velocity distribution by means of particle-image velocimetry. Results were compared with theoretical predictions and calculation options for processes...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. August 2018, 140(8): 082801.
Paper No: GTP-17-1601
Published Online: May 11, 2018
.... Editor: David Wisler. This work is in part a work of the U.S. Government. ASME disclaims all interest in the U.S. Government's contributions. 03 11 2017 26 02 2018 Combustion Droplet Engines Evaporation Flame Fuel combustion Power systems Sprays Thermodynamics Vaporization...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2018, 140(6): 061509.
Paper No: GTP-16-1504
Published Online: February 28, 2018
...Aron P. Dobos; Allan T. Kirkpatrick This paper studies the differences in spray structure and emissions trends between diesel and biodiesel fuels in a compression ignition engine. A computationally efficient and predictive quasi-dimensional simulation model is combined with fuel-specific physical...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2018, 140(6): 061506.
Paper No: GTP-17-1246
Published Online: February 13, 2018
... approach is able to predict the main characteristics of the flame with a good agreement with the experiment in terms of flame shape, spray characteristics and soot location. Finite-rate chemistry effects appear to be very important in the region close to the injection location leading to the lift-off...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. May 2018, 140(5): 051601.
Paper No: GTP-17-1295
Published Online: December 27, 2017
... technology Internal flow Measurement techniques Multiphase flows Natural gas technology Sensors Sprays Temperature Two-phase Visualization The use of compressors in more extreme environments, such as subsea applications, has increased interest in wet gas compression in the oil and gas...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. May 2018, 140(5): 051504.
Paper No: GTP-17-1254
Published Online: December 19, 2017
... in the measured data. To get a close insight into the emission formation processes in water-injected flames, local concentration measurements are used to calculate distributions of the reaction progress variable. Finally, to clarify the influence of spray quality on the composition of the exhaust gas, a variation...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. May 2018, 140(5): 051501.
Paper No: GTP-17-1396
Published Online: November 21, 2017
... are considered. First, capabilities of FGM are evaluated on a single swirler burner operating at ambient pressure with a standard pressure atomizer for spray injection. Then, a second test case, operated at 4 bar, is simulated. Here, kerosene fuel is burned after an injection through a prefilming airblast...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2018, 140(4): 041511.
Paper No: GTP-17-1412
Published Online: November 7, 2017
...Brian T. Fisher; Michael R. Weismiller; Steven G. Tuttle; Katherine M. Hinnant In order to understand the reasons for the apparent benefits of using a flow-blurring (FB) atomizer in a combustion system, it is necessary to first examine fundamental spray characteristics under nonreacting conditions...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2018, 140(3): 031503.
Paper No: GTP-17-1276
Published Online: October 17, 2017
...Kevin Prieur; Daniel Durox; Thierry Schuller; Sébastien Candel This article reports experiments carried out in the MICCA-spray combustor developed at EM2C laboratory. This system comprises 16 swirl spray injectors. Liquid n-heptane is injected by simplex atomizers. The combustion chamber is formed...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2018, 140(2): 021401.
Paper No: GTP-17-1317
Published Online: October 3, 2017
.... 07 07 2017 12 07 2017 Droplet Evaporation Fuels Sprays Combustion In recent years, the need to reduce the reliance on fossil fuels for energy production and transportation contributes to an ever increasing interest in biofuels [ 1 ]. At the same time, the current...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2018, 140(2): 021502.
Paper No: GTP-17-1316
Published Online: October 3, 2017
... ignition are addressed in the present work. Two facilities enable the analysis of two characteristic phases of the process. The knowledge for ignition, acoustics and instabilities (KIAI)-Spray single-injector burner was investigated in terms of local flow properties, including the air velocity and droplet...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. December 2017, 139(12): 121501.
Paper No: GTP-17-1296
Published Online: August 16, 2017
...-pass filter character of the prefilming airblast atomization phenomenon, which also introduces a significant phase shift on the dynamics of SMD of the generated spray. The models are tested in their original formulations without any calibration in order to assess their robustness versus different...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. November 2017, 139(11): 112802.
Paper No: GTP-17-1067
Published Online: June 6, 2017
... approach for diesel engine applications is a multizone spray and combustion model pioneered by Hiroyasu and his group. It divides diesel spray into packets and tracks fuel evaporation, air entrainment, gas properties, and ignition delay (induction time) individually during the injection and combustion...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. October 2017, 139(10): 102803.
Paper No: GTP-17-1055
Published Online: April 25, 2017
... NGINEERING FOR G AS T URBINES AND P OWER . Manuscript received February 14, 2017; final manuscript received March 5, 2017; published online April 25, 2017. Editor: David Wisler. 14 02 2017 05 03 2017 Alternative energy sources Combustion Engines Sprays Under the pressure...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. October 2017, 139(10): 102801.
Paper No: GTP-16-1461
Published Online: April 25, 2017
...; final manuscript received March 8, 2017; published online April 25, 2017. Assoc. Editor: Nadir Yilmaz. 22 09 2016 08 03 2017 Combustion Energy Engines Fuels Sprays Combustion GDI engine is expected to improve engine performance due to its more accurate fuel mass...