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Dynamic Simulation Analysis in Marine Turbo-charging Set of Supercharged Boiler

Author: CaiJie
Tutor: JiangRenQiu
School: Harbin Engineering University
Course: Engineering Thermophysics
Keywords: Supercharged boiler Turbocharger Modeling and Simulation Dynamic characteristic
CLC: U664.111
Type: Master's thesis
Year: 2007
Downloads: 218
Quote: 7
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Abstract


Turbocharger is one of the key equipment to ensure the normal work of marine supercharged boiler supercharged boiler has a very important significance . In this paper, the former Soviet Union, a certain type of marine supercharged boiler as the research object , the introduction of this type of supercharged boiler works and structural characteristics ; analysis and draw the the supercharged boiler flue gas process enthalpy -entropy diagram ; research supercharged boiler Turbocharger the power balance between the different equilibrium points . Modular structure to create a supercharged boiler steady-state model . Were established by multiple regression fitting characteristic curve of the compressor and turbine , compressor and turbine characteristic curve of the compressor and turbine simulation module using Matlab / Simulink simulation six supercharged boiler steady - state conditions . The results show that : the compressor and turbine power balance point n = 5500 r / min , in excess of the right side of the balance point unit power , and the lack of power in the left side of the balance point will be . Create a supercharged boiler dynamic simulation model . Small deviation linear method , using Matlab / Simulink for dynamic simulation of supercharged boiler 50% and 100% working conditions of small disturbance process . The results show that : the instant when changing the amount of fuel , the air supplied in the pressurized boiler hysteresis exists , which makes the supercharged boiler efficiency . Important reference for the further study of the results of marine supercharged boiler . Through analysis of the the supercharged boiler system simulation , you can master the compressor outlet and turbine inlet parameters variation , of supercharged boiler system design studies to play a role .

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