Dissertation > Excellent graduate degree dissertation topics show

A Study of Convection Coefficient in LNG Ship’s Cavity

Author: ZhouZuo
Tutor: FengWuWen
School: Beijing University of Chemical Technology
Course: Chemical Process Equipment
Keywords: LNG ship convection coefficient temperature field BOR
CLC: U674.1
Type: Master's thesis
Year: 2006
Downloads: 137
Quote: 6
Read: Download Dissertation

Abstract


In this thesis, Deep discussion was made on the temperature field of the heat maintenance system a 138000 m~3 of LNG (liquefied natural gas) Ship, which is recognized as a kind of complex ship with high tech, high difficulty and high appended value. In order to compute accurately the temperature field of LNG Ship, the work described in this paper is very important and meaningful. The main contributions of this thesis are as follows:In this thesis, the LNG ship model was simplified. The heat conduct, heat convection, heat radiation’s influence on the LNG ship’s cavity were discussed respectively. Furthermore, the theoretical convection formula of the LNG Ship’s cavity was obtained.A three-dimensional finite element model for the 138,000 m~3 LNG carrier was built by applying thermal element of ANSYS code. The iterative algorithms using the APDL language was drawn up according to the theories formula. The convection coefficient in LNG ship’s cavity are calculated under eight kinds of load cases, then thetemperature field of LNG ship and BOR (boil off rate) have been also performed.According to the model, the calculating results of BOR coincide with experimental date from abroad. It showed that the method of calculating convection coefficient is correct.By analyzing LNG ship’s temperature field, it will lay a good foundation for our country to develop and improve LNG ship’s heat maintenance system independently.

Related Dissertations

  1. Study on Contact Fatigue Life Based on Grease Variation with Temperature,TH117.22
  2. Simulation Analysis on Temperature Stress of RCC Arch Dam and Its Construction Joints Design Research,TV642.2
  3. Analysis and Study of Abutment Stability in Concrete High Arch Dam by Three-Dimensional Nonlinear Finite Element Method,TV642.4
  4. The Study on the Vestibular 3d Reconstruction of Guinea Pig and the Numerical Simulation of Temperature Field,R764
  5. Analysis of the Thermal Lens Effect on Yb: YAG Thin-Disk Laser Crystal,TN248
  6. Research on Sheet Metal CNC Cutting 3D Simulation,TG48
  7. Study on Temperature Field and Residual Stress Model Research of MEMS Accelerometer,TH824.4
  8. Fatigue Reliability for LNG Carrier Using Spectral-based Analysis,U661.4
  9. The Study of Complex Monitoring for Energy Transfer Based on Temperature Field Reconstruction,TU111
  10. Numerical Analysis of the Heat-Flow Coupling for Rotor of Supercritical Steam Turbine,TK261
  11. Three-dimensional Temperature Field Modeling and Visualization for Crystal Furnace,TP391.41
  12. Simulation of infrared multispectral images,TP391.9
  13. Hot wire TIG hot wire welding temperature analysis and simulation of temperature field,TG422.3
  14. Continuous hot dip galvanized strip stable transmission , heat transfer and organizational change behavior,TK124
  15. Different forms of goods placed under cold storage Simulation of Airflow,TB657.1
  16. Mine -scale coal bed temperature distribution law of,TD727
  17. Under the electric field strength electrothermal effect of metallic materials,TG111
  18. Submerged arc welding heat source magnetron roll Numerical simulation and experimental study,TG455
  19. Three-dimensional temperature field acoustic tomographic reconstruction System,TH811
  20. Oil-immersed transformer temperature field numerical calculation and analysis,TM411
  21. Low temperature detection of arcing contacts,TM572

CLC: > Transportation > Waterway transport > Marine Engineering > Various types of vessels > Carriers
© 2012 www.DissertationTopic.Net  Mobile