Journal of Engineering for Gas Turbines and Power: Recent submissions
Now showing items 3001-3020 of 9564
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Global and Local Hydrodynamic Stability Analysis as a Tool for Combustor Dynamics Modeling
(The American Society of Mechanical Engineers (ASME), 2016)Coherent flow structures in shear flows are generated by instabilities intrinsic to the hydrodynamic field. In a combustion environment, these structures may interact with the flame and cause unsteady heat release rate ... -
Discussion: “A Blade Theory of an Impeller With an Arbitrary Surface of Revolution” (Senoo, Yasutoshi, and Nakase, Yoshiyuki, 1971, ASME J. Eng. Power, 93, pp. 454–460)
(The American Society of Mechanical Engineers (ASME), 1972) -
Off Nominal Component Performance in a Supercritical Carbon Dioxide Brayton Cycle
(The American Society of Mechanical Engineers (ASME), 2016)Bechtel Marine Propulsion Corporation (BMPC) is testing a supercritical carbon dioxide (sCO2) Brayton system at the Bettis Atomic Power Laboratory. The integrated system test (IST) is a simple recuperated closed Brayton ... -
A Simplified Model for Deposition and Removal of Soot Particles in an Exhaust Gas Recirculation Cooler
(The American Society of Mechanical Engineers (ASME), 2016)Nitrogen oxides (NOx) emissions from diesel engines can profoundly be suppressed if a portion of exhaust gases is cooled through a heat exchanger known as exhaust gas recirculation (EGR) cooler and returned to the intake ... -
Investigation of the Effect of Injection and Control Strategies on Combustion Instability in Reactivity Controlled Compression Ignition Engines
(The American Society of Mechanical Engineers (ASME), 2016)This paper uses detailed computational fluid dynamics (CFD) modeling with the kivachemkin code to investigate the influence of injection timing, combustion phasing, and operating conditions on combustion instability. Using ... -
An Evaluation of the Application of Nanofluids in Intercooled Cycle Marine Gas Turbine Intercooler
(The American Society of Mechanical Engineers (ASME), 2016)Coolant is one of the important factors affecting the overall performance of the intercooler for the intercooled (IC) cycle marine gas turbine. Conventional coolants, such as water and ethylene glycol, have lower thermal ... -
Design Improvement Survey for NOx Emissions Reduction of a Heavy Duty Gas Turbine Partially Premixed Fuel Nozzle Operating With Natural Gas: Numerical Assessment
(The American Society of Mechanical Engineers (ASME), 2016)A numerical investigation of a low NOx partially premixed fuel nozzle for heavyduty gas turbine applications is presented in this paper. Availability of results from a recent test campaign on the same fuel nozzle architecture ... -
Scatter in Dwell Time Cracking for a Ni Based Superalloy in Combination With Overloads
(The American Society of Mechanical Engineers (ASME), 2016)In this paper, scatter in crack growth for dwell time loadings in combination with overloads has been investigated. Multiple tests were performed for surface cracks at 550 آ°C in the commonly used high temperature material ... -
Thermomechanical Fatigue Crack Growth Modeling in a Ni Based Superalloy Subjected to Sustained Load
(The American Society of Mechanical Engineers (ASME), 2016)Thermomechanical fatigue (TMF) crack growth modeling has been conducted on Inconel 718 with dwell time at maximum load. A history dependent damage model taking dwell damage into account, developed under isothermal conditions, ... -
Waste Heat Recovery in a Cruise Vessel in the Baltic Sea by Using an Organic Rankine Cycle: A Case Study
(The American Society of Mechanical Engineers (ASME), 2016)Maritime transportation is a significant contributor to SOx, NOx, and particle matter (PM) emissions, and to a lesser extent, of CO2. Recently, new regulations are being enforced in special geographical areas to limit the ... -
Unsteady Thrust Force Loading of a Turbocharger Rotor During Engine Operation
(The American Society of Mechanical Engineers (ASME), 2016)The bearing system of a turbocharger has to keep the rotor in the specified position and thus has to withstand the rotor forces that result from turbocharger operation. Hence, its components need to be designed in consideration ... -
Modeling of Crack Growth With Dwell Time for Aero Engine Spectra Loadings in a Ni Based Superalloy
(The American Society of Mechanical Engineers (ASME), 2016)Testing and simulation of aeroengine spectra with dwell times are reported in this paper. The modeling concept used is built on linear elastic fracture mechanics (LEFM) and provides a historydependent evolution description ... -
Design, Modeling, and Performance Optimization of a Reversible Heat Pump/Organic Rankine Cycle System for Domestic Application
(The American Society of Mechanical Engineers (ASME), 2016)In this paper, an innovative system combining a heat pump (HP) and an organic Rankine cycle (ORC) process is proposed. This system is integrated with a solar roof, which is used as a thermal source to provide heat in winter ... -
The Blade Profile Orientations Effects on the Aeromechanics of Multirow Turbomachines
(The American Society of Mechanical Engineers (ASME), 2016)The aerodynamic damping calculations for turbomachinery blade aeromechanics applications are typically carried out in an isolated blade row. The aerodynamic damping of vibrating blades, however, can be significantly ... -
Discussion: “Thermal Cycle Arrangements for Power Plants Employing Dry Cooling Towers” (Leung, Paul, and Moore, R. E., 1971, ASME J. Eng. Power, 93, pp. 257–264)
(The American Society of Mechanical Engineers (ASME), 1972) -
Discussion: “Measurement of Flame Temperature and Emittance in Gas Turbine Combustors” (Hill, W. E., and Dibelius, N. R., 1970, ASME J. Eng. Power, 92, pp. 310–314)
(The American Society of Mechanical Engineers (ASME), 1972) -
Discussion: “Performance of Compressor Blade Rows in a Sloping Flowpath” (Harmon, H. A., Mikolajczak, A. A., and Marchant, D., 1972, ASME J. Eng. Power, 94, pp. 61–68)
(The American Society of Mechanical Engineers (ASME), 1972) -
Discussion: “Gas Turbine Blade Heat Transfer Augmentation by Impingement of Air Jets Having Various Configurations” (Tabakoff, W., and Clevenger, W., 1972, ASME J. Eng. Power, 94, pp. 51–58)
(The American Society of Mechanical Engineers (ASME), 1972) -
Discussion: “Effects of Crossflow on Impingement Heat Transfer” (Metzger, D. E., and Korstad, R. J., 1972, ASME J. Eng. Power, 94, pp. 35–41)
(The American Society of Mechanical Engineers (ASME), 1972) -
Discussion: “Evaluation and Development of Engine Components and Accessories With Electrodynamic Shakers” (Law, R. M., 1972, ASME J. Eng. Power, 94, pp. 24–34)
(The American Society of Mechanical Engineers (ASME), 1972)