...Giacomo Persico; David T. Sánchez; Dario Alfani; Paolo Silva; Rene Vijgen; Marco Ruggiero; Stefan Glos; Renaud Le Pierres; Ulrich Schmitz; Rasmus Rubycz; Albannie Cagnac; Scott Macadam; Dominique H. Orhon Closed Joule–Brayton thermodynamic cycles working with carbon dioxide in supercritical...

.... , 2016 , “ Identification of Thermodynamic Design Parameters Using Multi Objective and Multi Variable Optimization Methodologies to Achieve 65% Combined Cycle Plant Net Efficiency ,” ASME Paper No. GT2016-57785. 10.1115/GT2016-57785 [5] ASME, 2008 , Gas Turbine Heat Recovery Steam Generators...

... and their relationships in the design process is presented in detail. Based on the data model, the entire engine predesign process is presented. Starting with the definition of a flight mission scenario and resulting top level engine requirements, thermodynamic engine performance models are developed. By means...

...-time optimization for both high-speed cruise and low-speed loitering. In order to characterize the performance of the adaptive cycle engine with increased number of controls (engine speed, gear ratio, bypass opening), a component map-based thermodynamic study is used to contrast it against other...

..., 2018; published online September 14, 2018. Assoc. Editor: Jerzy T. Sawicki. 22 06 2018 25 06 2018 Energy systems Fuel cell applications Gas turbine technology Thermodynamics Due to the growing global energy consumption, high prices of energy, decreasing fossil fuel...

... deposition in the reformer, the S / C boundary value should be lower than 2. Energy systems Energy conversion Fuel cell applications Gas turbine technology Power systems Thermodynamics Solid oxide fuel cell/gas turbine (SOFC/GT) hybrid system has the obvious merits of high efficiency...

... 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...

... technology Thermodynamics Turbines Combustion In the Renewables 2017 market report series, the International Energy Agency (IEA) forecasts that renewable electricity generation will reach 8.000 TWh by 2022, equivalent to the total combined energy consumption of China, India, and Germany [ 1...

... April 13, 2018; published online August 9, 2018. Editor: David Wisler. 09 04 2018 13 04 2018 Energy Energy conversion Engines Experimental Fuel combustion Fuels Heat transfer Internal combustion engines Natural gas technology Petroleum engineering Thermodynamics...

... fluid dynamics Energy Engines Flame Fuel combustion Fuels Thermodynamics Combustion The increasing availability and low price of natural gas (NG) compared to other petroleum-based fuels in the U.S. are the main reasons for the growing interest in this energy carrier. It is projected...

... of characteristics (MOC), extended to gases governed by general equations of state (EOS). We focus more specifically on working fluids with medium to high molecular complexity, operating at thermodynamic conditions such that the fundamental derivative of gas dynamics Γ is lower than one in a significant portion...

... or circular curves, hence the names: limaçon-to-limaçon, circolimaçon, and limaçon-to-circular machines. This paper presents the investigation into the thermodynamic performance of the limaçon-to-circular machines with the presence of apex seals and inlet valve. This paper sets out by briefly introducing...

... 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...

... Modeling Power systems Thermal Thermodynamics Vaporization In order to meet greenhouse gas emissions targets going forward, the efficiency of combustion-based power plants need to significantly increase. Historically, improvements have come either through better device technology, like thermal...

... phenomena, were installed in strategic positions along the compressor and the test rig. A great amount of vibro-acoustic data were first processed through an innovative data analysis technique, and then correlated to the thermodynamic data recorded. Subsequently, the precursor signals of surge were detected...

... thermodynamics and knock. This work uses an engine cycle simulation together with a submodel for the knock phenomena to explore these connections. First, the autoignition characteristics as represented by a recent (2014) Arrhenius expression for the reaction time of the end gases are examined for a range...

... 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...

... of droplets before impinging on the catalyst. Droplet–wall interaction needs to be avoided, which leads to an optimum evaporation section length for a given spray cone angle. A first thermodynamic feasibility analysis is performed on the basis of an energy balance for the evaporation section...

... Evaporation Flame Fuel combustion Power systems Sprays Thermodynamics Vaporization According to the single fuel policy, adopted by the U.S. Department of Defense (DoD), the U.S. military ground vehicles, as well as air forces, must operate on a single fuel to minimize the number of different...

... 9, 2017; final manuscript received November 16, 2017; published online April 20, 2018. Assoc. Editor: Haixin Chen. 09 08 2017 16 11 2017 Aerospace applications Engines Gas turbine technology Thermodynamics The attention to turboprop engines is historically straight...