Show simple item record

contributor authorSapra, Harsh Darshan
contributor authorHessel, Randy
contributor authorAmezcua, Eri
contributor authorStafford, Jacob
contributor authorMiganakallu, Niranjan
contributor authorRothamer, David
contributor authorKim, Kenneth
contributor authorKweon, Chol-Bum M.
contributor authorKokjohn, Sage
date accessioned2023-11-29T18:42:07Z
date available2023-11-29T18:42:07Z
date copyright7/19/2023 12:00:00 AM
date issued7/19/2023 12:00:00 AM
date issued2023-07-19
identifier issn0742-4795
identifier othergtp_145_09_091004.pdf
identifier urihttp://yetl.yabesh.ir/yetl1/handle/yetl/4294328
description abstractComputational fluid dynamics (CFD) simulations are performed to study the potential of energy-assisted compression ignition (EACI) strategy for enabling ignition and enhancing combustion of different cetane number jet fuels during high-altitude operation. EACI employs an ignition assistant (IA), which is an advanced glow-plug design with the ability to sustain higher temperatures for prolonged periods, to provide the necessary ignition energy for precise ignition control and enhanced combustion. In the numerical simulations, the combustion chemistry solver is coupled with a multicomponent wide distillation fuel mechanism, energy source modeling, and a turbulence-chemistry interaction model to accurately capture the ignition assisted-combustion. The simulation is first validated against optical engine measurements for cetane number (CN) 48 jet fuel and then transferred to another single-cylinder test engine to study the ignition and combustion characteristics of EACI with CN 35 jet fuel at varying IA temperatures. Simulation results show that EACI significantly improves fuel ignitability. Ignition delay reductions for CN 48 fuel of 57% and CN 35 fuel of 25% are noted at IA temperatures of 1550 K and 1405 K compared to when the IA is switched off. Furthermore, EACI improved the combustion efficiency to 99.7% compared to the 90% estimated for the IA off case in the optical engine.
publisherThe American Society of Mechanical Engineers (ASME)
titleNumerical Modeling and Analysis of Energy-Assisted Compression Ignition of Varying Cetane Number Jet Fuels for High-Altitude Operation
typeJournal Paper
journal volume145
journal issue9
journal titleJournal of Engineering for Gas Turbines and Power
identifier doi10.1115/1.4062415
journal fristpage91004-1
journal lastpage91004-15
page15
treeJournal of Engineering for Gas Turbines and Power:;2023:;volume( 145 ):;issue: 009
contenttypeFulltext


Files in this item

Thumbnail

This item appears in the following Collection(s)

Show simple item record