Dissertation > Excellent graduate degree dissertation topics show

Simulation Research on Match Characteristic of Turbocharged Unit by Flow Net

Author: FangTongYi
Tutor: WangYinYan
School: Harbin Engineering University
Course: Marine Engineering
Keywords: Turbocharged unit Supercharged boiler Match Flow net Dynamic simulation
CLC: U664.5
Type: Master's thesis
Year: 2012
Downloads: 21
Quote: 0
Read: Download Dissertation

Abstract


Turbocharged unit and turbine blower are two important air transport equipment. Asengine room space is limited, the size, weight, and efficiency have become key indicators ofquality measurement. The air supplied by turbocharged unit has higher temperature anddensity then that of turbine blower, which greatly strengthening the combustion process,improving the volumetric heat load and heat exchange intensity at the same time, thatmakes more fuel can burring in a smaller furnace. Generally, the weight and volume of theboiler which installed with turbocharged unit will be reduced by50%, and the efficiencywill be reduced by more than8%at total working conditions. Thus, the replacements ofturbine blower with turbocharged unit both improving the economy and mobility, greatlyenhance the vitality of the ship.The power of turbine blower is monotonically increasing function of the load, whilethe power of turbocharged unit and the load is a complex non-linear relationship, so thematching relationship between the turbocharged unit and the boiler is not only important butalso difficult to deal with, the key point of matching is power balance of each devices. Themain problem of match is power balance between the devices, the effectiveness willdecrease when power surplus, while the whole system will not accomplish full load whenpower deficiency. In this paper, the media’s status and resistance loss in various parts of thesystem were point out after analyzing the thermodynamic cycle On this basis, comparativeanalysis of three typical power balance situations, compared with their respectivecharacteristics, this lay the foundation for the system simulation modeling.Based on GSE simulation system platform, established supercharged boilerinstallations model both by self-coding and existing model from JTopmeret，obtain nodepressure and branch flow of the flow net at the same time with the matrix solution method,which could manifest the pressure transmission characteristics of two-way synchronizationmore realistic, that improve the accuracy and stability of the simulation system whiledynamically calculating.The simulation results show that the system model has a high degree of accuracy, canreasonably and accurately reflect the dynamic characteristic of the unit’s upload anddownload. Subsequently, analysis the influence on the co-operating line of compressor and the unit’s power balance by changing of the air temperature; analysis the influence on theunit’ s power balance by changing of the resistance characteristics of the intake and exhaustpipe; analysis dynamic response characteristics of the unit by making continuous largedisturbance at running process.

Related Dissertations

  1. Study of the Belt Conveyor Dynamic Simulation Based on AMESim,TD528.1
  2. Gatling machine gun in a modeling and simulation analysis,TJ24
  3. TVM subway ticket design and analysis of the transmission device,U293.22
  4. Prediction and Simulation of Air Quality of Coal Mining Area Based on VGIS System,X831
  5. The Mix & Match of Photography and Graphics in Graphic Design,J524
  6. Motorcycle Damping System and Riding Comfort Research,U483
  7. Dynamic Characteristic Simulation and Study of Sliding Coal Plow,TD421.62
  8. Dynamics Simulation and Analysis of Hoisting and Rotary System for Crawler Crane,TH213.7
  9. The Development of HILS Platform for Textile Machine’s Control System,TP391.9
  10. ZL16H Loader Virtual Prototype Modeling and Dynamic Simulation and Mechanics Research on Working Device,TH243
  11. Analysis for the High-pressure Gas System in Guangzhou,TU996
  12. Tower-belt Structural and Dynamic Characteristics Simulation Analysis,TH213.3
  13. The Matching of Ship, Engine and Propeller and Numerical Simulation,U664.33
  14. Study on the Control System and Experiments on Voltage Compensation Type Active Superconducting Fault Current Limiter,TM56
  15. Flame Detection of a Marine Supercharged Boiler and Simulation for Drum Water Level Based on Radiative Energy Signal of Furnace,U664.5
  16. System Design and Dynamics Analysis of a Rail Vehicle with High Acceleration,U270.1
  17. Dynamic Simulation and Experimental Research of Structure Drived by Laser Shock Wave,TN249
  18. KES -based physical model tests of the fabric and appearance of the static and dynamic simulation,TS101.923
  19. The master-slave control hydraulic excavator Research,TU621
  20. Dynamic Performance Simulation and Experimental Research of Wheel Loader Hydraulic System,TH243
  21. Design of the Equipment for Snubbing Workover and Simulation of Its Hydraulic System,TE935

CLC: > Transportation > Waterway transport > Marine Engineering > Ship machinery > Marine Auxiliary Machinery and equipment
© 2012 www.DissertationTopic.Net  Mobile