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The Behavior Simulation Research on the Marine Inter-cooled Cycle Gas Turbine

Author: WangJianQing
Tutor: LiShuYing
School: Harbin Engineering University
Course: Power Machinery and Engineering
Keywords: Marine gas turbine Between cold cycle Dynamic Simulation
CLC: U664.13
Type: Master's thesis
Year: 2010
Downloads: 92
Quote: 1
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Abstract


Research and development of high - power marine gas turbine is the mainstream of today 's Marine Power development , the development of high-power marine gas turbine , in a suitable female simple cycle gas turbine based on the transformation of intermediate cooling cycle , is a quick , reasonable choice , and has important practical significance . In this paper, the intermediate cooling cycle gas turbine simulation studies can provide some reference for high-power marine gas turbine development work . Structural design, intercooler split ( five inter- cooler ) along the gas turbine of circumferentially arranged using MATLAB Genetic Algorithm Optimization Toolbox to optimize the design of its structural dimensions , its volume ( weight ) change the thermal performance is not reduced in the case of min. The intermediate cooling transformation removed at the end of two of the low-pressure compressor , need to re- calculate the characteristics of the compressor , elaborated based on the cascade method , stepwise superposition method and statistical regularities law , due to the lack of detailed data , in comparing the various methods after the advantages and disadvantages of using the the statistical regularities method to calculate the characteristics of the low-pressure compressor . Establish intermediate cooling cycle gas turbine system and the various components of the nonlinear mathematical model , the modular modeling method in Matlab / simulink platform application versatility parts simulation module , thereby establishing the steady-state and dynamic simulation models of the system . Steady-state simulation of different working conditions of the intercooler cycle gas turbine , with the simple cycle comparison and analysis between the degree of supercooling impact on the performance of the unit ; between cold cycle gas turbine , the dynamic performance simulation study between cold cycle unit driven engine and propeller variable conditions of two different load performance ( acceleration, deceleration ) , between cold cycle gas turbine propulsion systems for mechanical and electric propulsion systems , acceleration, deceleration operation rules . Comparative study between cold cycle and simple cycle dynamic simulation and analysis of the two loops in the change of the dynamic characteristics of the operating conditions , the results show that the mobility of the intermediate cooling cycle unit simple cycle is basically the same , but the output power of the unit The substantial increase in the thermal efficiency is also increased slightly . The results show that the performance of the cold cycle gas turbine to meet the ship's main propulsion system .

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CLC: > Transportation > Waterway transport > Marine Engineering > Ship machinery > Ship power plant > Gas power plant
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