... received May 31, 2018; published online August 30, 2018. Assoc. Editor: David Wisler. 07 05 2018 31 05 2018 Computational fluid dynamics Energy Modeling Thermodynamics One of the most important ways of managing the growth in energy consumption is energy efficiency. Energy...

...) engines. For high energy substitution (>70%) conditions, NO x emissions are a function of the premixed gas lambda ( λ ng ) and contain a local minimum, with NO x increasing as lambda is either leaned or richened beyond the local minimum which occurs from approximately λ ng = 1.7 – 1.85...

... ρ d θ d θ d t = 4 b ρ H L 2 sin θ + V n e t b d ρ d θ ω References [1] International Energy Agency, 2015 , Key World Energy Statistics , OECD/International Energy Agency , Paris, France . [2] IPCC, 2015...

... allows for a continuum of in-cylinder blend levels from pure gasoline to pure NG operation. The huge benefit of gasoline is its availability and energy density, whereas NG allows efficient operation at high load due to improved combustion phasing enabled by its higher knock resistance. Furthermore, using...

... Zentrum für Luft- und Raumfahrt (DLR), and energy budgets are performed to characterize the reflection, transmission, and dissipation of the fluctuations. Because acoustic and entropy perturbations are present in the flow in the general case, classical acoustic energy budgets cannot be used...

... , A. , Stoppato , A. , and Tonon , S. , 2004 , “ Biodiesel as Alternative Fuel: Experimental Analysis and Energetic Evaluations ,” Energy , 29 ( 12–15 ), pp. 2195 – 2211 . 10.1016/j.energy.2004.03.042 [2] Balat , M. , 2010 , “ Potential Alternatives to Edible Oils for Biodiesel Production...

... energy sources Combustion Energy Energy conversion Engines Fuel combustion Internal combustion engines Internal flow Power Swirling Thermodynamics Turbulence Turbulent Visualization Co- generation Modern co-generation spark ignition units are one of the most effective technologies...

...; published online June 15, 2018. Assoc. Editor: Klaus Dobbeling. 21 07 2017 05 11 2017 Energy systems Combustors Cooling Design optimization Energy Energy conversion Engines Exergy Fuel combustion Gas turbine technology Heat transfer Internal combustion engines Mass Transfer...

... the processes by which the initially unfueled kernel evolves into a self-sustained flame. Three fuels are examined: a conventional Jet-A and two synthesized fuels that are used to explore fuel composition effects. A commercial, high-energy recessed cavity discharge igniter located at the test section wall...

... 10 01 2018 Energy Energy conversion Gas turbine technology Power Power systems Thermodynamics Co- generation The stack gas of a modern gas turbine combined cycle (GTCC) power plant with advanced F, H or J class units contains about 4% CO 2 by volume at near-atmospheric...

...Kai Kadau; Phillip W. Gravett; Christian Amann We developed and successfully applied a direct simulation Monte Carlo (MC) scheme to quantify the risk of fracture for heavy-duty rotors commonly used in the energy sector. The developed probabilistic fracture mechanics (FM), high-performance computing...

...Alireza Ameli; Ali Afzalifar; Teemu Turunen-Saaresti; Jari Backman Rankine and Brayton cycles are common energy conversion cycles and constitute the basis of a significant proportion of global electricity production. Even a seemingly marginal improvement in the efficiency of these cycles can...

... OWER . Manuscript received July 10, 2017; final manuscript received August 29, 2017; published online January 10, 2018. Editor: David Wisler. 10 07 2017 29 08 2017 Energy systems Energy Energy systems Fuel cell applications Thermodynamics Control systems Advanced...

... installed at University of Genoa (Italy), German Aerospace Center (DLR, Germany), and National Energy Technology Laboratory (NETL, USA), respectively. The proposed modeling approach is based on an experience-based simplification of the physical problem to reduce model computational efforts with minimal...

... 07 2017 08 08 2017 Energy systems Alternative energy sources Energy Energy conversion Thermodynamics The interest in the sCO 2 power cycle has increased exponentially in the last years, driven by the unique features of this technology such as high thermal efficiency...

... Computational fluid dynamics Design optimization Energy Experimental Recently, automotive companies have shown a large investment and push toward downsizing automotive gasoline and diesel fueled engines [ 1 ]. The drive to downsize engines aims to conform with legislation and trends in lowering CO 2...

.... Complete simulation results are presented, discussing the proposed plant mass and energy balances and showing the most attractive configurations from the point of view of total efficiency and CCR. 1 Corresponding author. Contributed by the Power Division of ASME for publication in the J OURNAL...

... URBINES AND P OWER . Manuscript received June 30, 2017; final manuscript received July 6, 2017; published online September 13, 2017. Editor: David Wisler. 30 06 2017 06 07 2017 Combustion Energy Fuel combustion Fuels Combustion References [1] de Vries , J...

... for publication in the J OURNAL OF E NGINEERING FOR G AS T URBINES AND P OWER . Manuscript received July 5, 2017; final manuscript received July 6, 2017; published online August 16, 2017. Editor: David Wisler. 05 07 2017 06 07 2017 Design optimization Energy Environmental Fossil...

... effects. 1 Present address: Siemens Energy, Inc., Charlotte, NC 28273. Contributed by the Combustion and Fuels Committee of ASME for publication in the J OURNAL OF E NGINEERING FOR G AS T URBINES AND P OWER . Manuscript received October 24, 2015; final manuscript received January 3, 2017...