Results 141 to 150 of about 3,357 (178)

Pulsed Impingement Turbine Cooling and Its Effect on the Efficiency of Gas Turbines With Pressure Gain Combustion

Journal of turbomachinery, 2020
Performance improvements of conventional gas turbines are becoming increasingly difficult and costly to achieve. Pressure gain combustion (PGC) has emerged as a promising technology in this respect, due to the higher thermal efficiency of the ...
Nicolai Neumann, D. Peitsch, A. Berthold, F. Haucke, P. Stathopoulos   +4 more
semanticscholar   +1 more source

Efficiency Enhancement in Pressure Gain Combustion Combined Cycle Gas Turbine by Blade Cooling Integration with Bottoming Cycle

Journal of turbomachinery
This paper investigates the potential advantages of integrating turbine blade cooling with bottoming cycle in Combined Cycle Gas Turbine (CCGT) with Pressure Gain Combustion (PGC) for land-based power generation application.
Abhishek Dubey, A. Sorce, A. Massardo
semanticscholar   +1 more source

A novel, rapid, and short-range pressure-gain combustion under pulsed airflow and injection

The Physics of Fluids
A novel air-breathing pressure-gain combustion (PGC) mode was proposed, realized through synergistic coupling between air valve-induced pulsed airflow and pulsed fuel injection.
Rong Hong, Wandong Zhao, Xinxin Wang, Jianhan Liang, Xiaodong Cai, Han He, Yuqi Wang   +6 more
semanticscholar   +1 more source

Improving Combined Cycle Performance with Pressure Gain Combustion in the Gas Turbine

Processes
Pressure Gain Combustion (PGC) is an interesting emerging concept to enhance the performance of gas turbines currently based on the Brayton–Joule cycle. Focusing on a F-class gas turbine for land-based power generation, the current work investigates PGC ...
Antonio Giuffrida, P. Chiesa
semanticscholar   +1 more source

OH* Chemiluminescence Imaging of the Combustion Products From a Methane-Fueled Rotating Detonation Engine

Journal of Engineering For Gas Turbines and Power, 2018
Pressure gain combustion (PGC) has been conceived to convert fuel's chemical energy into thermal energy and mechanical energy, thereby reducing the entropy production in the process.
J. Tobias, Daniel Depperschmidt, C. Welch, Robert Miller, M. Uddi, A. Agrawal, Ron Daniel   +6 more
semanticscholar   +1 more source

NUMERICAL ANALYSIS OF A FLOW CONTROL SYSTEM FOR HIGH-PRESSURE TURBINE VANES SUBJECT TO HIGHLY OSCILLATING INFLOW CONDITIONS

Journal of turbomachinery
Under the prism of introducing pioneering technologies in the propulsive field, the Rotating Detonation Engine (RDE) continuously attracts the Gas Turbine (GT) research community.
Panagiotis Gallis, Simone Salvadori, D. Misul   +2 more
semanticscholar   +2 more sources

Mapping Efficiency of a Pulsing Flow-Driven Turbine

, 2020
Pressure gain combustion (PGC) shows potential to increase the cycle efficiency of conventional gas turbine engines (GTEs) if used in place of the steady combustor. However, a turbine driven by pulsing flow experiences a decrease in efficiency.
Mark H. Fernelius, S. Gorrell
semanticscholar   +1 more source

Experimental Analysis of Wave Propagation in a Methane-Fueled Rotating Detonation Combustor

Volume 4B: Combustion, Fuels, and Emissions, 2018
Recently, pressure gain combustion (PGC) has been a subject of intense study because of its potential to increase the thermodynamic efficiency of power generating gas turbines by several percentage points.
C. Welch, Daniel Depperschmidt, Robert Miller, J. Tobias, M. Uddi, A. Agrawal, S. Lowe   +6 more
semanticscholar   +1 more source

Numerical performance analysis of a turbine operated by a rotating detonation combustor

European Conference on Turbomachinery Fluid Dynamics and Thermodynamics
Utilizing pressure gain combustion (PGC) in gas turbine engines has shown its potential to increase the whole engine thermal efficiency significantly, mainly due to the increase in total pressure through the combustion process.
Mosaab Mhgoub, Klaus Höschler
semanticscholar   +1 more source

Numerical Research on the Toroidal Shock Wave Focusing Detonation Initiation

Journal of Engineering For Gas Turbines and Power, 2019
Pressure gain combustion (PGC) is considered to be a potential technology to increase the cycle efficiency of gas turbine. As one viable candidate for PGC, rotating detonation engine (RDE) draws more attention due to its significant advances in ...
Chen Xiang, Ningbo Zhao, Hongtao Zheng, Jia Xiongbin, Shizheng Liu, Qingbo Liu   +5 more
semanticscholar   +1 more source