Transient performances of the gas turbine recuperating waste heat through hydrogen rich fuels |
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| Affiliation: | 1. State Key Laboratory of Coal Combustion, School of Energy and Power Engineering, Huazhong University of Science and Technology, Luoyu Road 1037, Wuhan, 430074, PR China;2. Naval University of Engineering, PLA, Jiefang Street 717, Wuhan, 430033, PR China;3. China Shipbuilding Industry Corporation, NO. 703 Institute, Honghu Road 35, Daoli District, Harbin, 150078, PR China;1. Fluid System Engineering Department, KEPCO Engineering and Construction Company, 111, Daedeok-daero 989 Beon-Gil, Yusung-Gu, Taejeon, 34057, Republic of Korea;2. Department of Mechanical and Aeronautic Engineering, College of Engineering, Seoul National University, Republic of Korea;3. Department of Safety Engineering, Incheon National University, 119 Academy-ro, Yeonsu-gu, Incheon, 22012, Republic of Korea;1. Graduate School, Inha University, Incheon, Republic of Korea;2. Dept. of Mechanical Engineering, Inha University, Incheon, Republic of Korea;1. Korea Electric Power Research Institute, Munji-Ro, Yuseong-Gu, Daejeon 305-760, Republic of Korea;2. Hanbat National University, Building and Plant Engineering Department, San 16-1, Dukmyung-dong, Yuseong-gu, Daejeon 305-719, Republic of Korea |
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| Abstract: | Operational rules and control strategies of the chemically recuperated gas turbine (CRGT) in the marine propulsion are investigated in this paper. The Minimization of Gibbs free energy method is used to calculate the diesel-steam reforming reaction which products synthetic hydrogen rich fuels, and a universal model of the chemical regenerator which is easily applied to different application environments is created. The hydrogen production and hydrogen molar fraction are investigated to verify that the CRGT improve the combustion performances under low working conditions. Off-design calculations are performed to derive proper operational rules, and transient calculations are performed to investigate the best control strategies for the systems. The modelling approach of the chemical regenerator can be generally used in the chemically recuperated gas turbine. The elaborate operational rules can greatly improve the thermal efficiencies under every working condition. The system using synchronous control strategies have better regulation speed and operation stability than that using asynchronous control strategies. |
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| Keywords: | Marine propulsion Chemically recuperated gas turbine Diesel-steam reforming Synthetic hydrogen rich fuel Operational rules and control strategies CRGT" },{" #name" :" keyword" ," $" :{" id" :" kwrd0040" }," $$" :[{" #name" :" text" ," _" :" Chemically recuperated gas turbine CR" },{" #name" :" keyword" ," $" :{" id" :" kwrd0050" }," $$" :[{" #name" :" text" ," _" :" Chemical regenerator HC" },{" #name" :" keyword" ," $" :{" id" :" kwrd0060" }," $$" :[{" #name" :" text" ," _" :" High Pressure Compressor HT" },{" #name" :" keyword" ," $" :{" id" :" kwrd0070" }," $$" :[{" #name" :" text" ," _" :" High Pressure Turbine HX" },{" #name" :" keyword" ," $" :{" id" :" kwrd0080" }," $$" :[{" #name" :" text" ," _" :" Heat exchanger LC" },{" #name" :" keyword" ," $" :{" id" :" kwrd0090" }," $$" :[{" #name" :" text" ," _" :" Low Pressure Compressor MGFE" },{" #name" :" keyword" ," $" :{" id" :" kwrd0100" }," $$" :[{" #name" :" text" ," _" :" Minimization of Gibbs free energy MT" },{" #name" :" keyword" ," $" :{" id" :" kwrd0110" }," $$" :[{" #name" :" text" ," _" :" Middle Pressure Turbine PT" },{" #name" :" keyword" ," $" :{" id" :" kwrd0120" }," $$" :[{" #name" :" text" ," _" :" Power Turbine RCs" },{" #name" :" keyword" ," $" :{" id" :" kwrd0130" }," $$" :[{" #name" :" text" ," _" :" Rankine cycles ORCs" },{" #name" :" keyword" ," $" :{" id" :" kwrd0140" }," $$" :[{" #name" :" text" ," _" :" Organic rankine cycles SG" },{" #name" :" keyword" ," $" :{" id" :" kwrd0150" }," $$" :[{" #name" :" text" ," _" :" Steam generator |
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