Dissertation > Excellent graduate degree dissertation topics show

Study on the Transmission of High-viscosity Oil Near Export of Tank

Author: ShiShaoLei
Tutor: LeiYi
School: China University of Petroleum
Course: Materials Science and Engineering
Keywords: High viscous crude oil Flow behavior Temperature field Hydrodynamics Simulation
CLC: TE866
Type: Master's thesis
Year: 2011
Downloads: 10
Quote: 0
Read: Download Dissertation

Abstract


The high viscosity of crude oil within the tank is very slow velocity in low - temperature environments , a serious impact on the speed of transmission of the high viscosity of the original heating or other mechanical force is applied to promote the high viscosity of the crude oil flow rate . For the above reasons , the paper first heating viscosity reduction technology analysis, and then start from the theory of computational fluid dynamics , computational fluid dynamics software FLUENT screw conveyor device , small spirochetes and high viscosity crude oil heater and near District computational domain geometry modeling , meshing , boundary conditions set , the choice of the turbulence model and rotate the model and solving parameter settings . , high viscous crude oil in the oil tank heating and simulation of flow behavior and experimental study . Simulation results show that the flow behavior of high viscosity crude oil : high viscosity crude oil in the under the action of screw conveyor means , the flow rate of the maximum value is mainly concentrated in the radially inner region of the R / 2 ; velocity maximum in the pipeline of the role of the small spiral body mainly in the radially outer R / 4 region. Screw conveyor device in the tank , in an open -type fluid constraints , promote and pumping action of the high viscous crude oil are limited in speed from 60r/min to 300r/min increase process velocity increase gradient far less than the speed increases the gradient; small spiral body ( blade diameter of 100 mm ) in the duct ( nominal diameter 100mm) , since the outer wall is surrounded by the flow of high viscosity crude oil plays the role of constraints , as the speed an increase in the pumping action of the high viscous crude oil continue to strengthen , speed up to 300r/min the the pipeline crude entrance area of 1.20 × 10 ~ 3Pa negative pressure zone has a strong suction effect , the high viscosity of crude oil . Simulation results show that the high viscosity crude oil temperature field : upward flow of oil along the heater , and flows down along the oil tank wall , forming a flow loop is higher than the lower region , the upper region of the temperature and pressure of the crude oil , and the heater on the lower region Yielding the heating of the crude oil is insufficient. Finally, the temperature field and flow behavior of high viscosity crude experiment .

Related Dissertations

  1. The Setting Bases of Working Pressure in LNG Systems and Orthogonal Experiment Design of Heat Exchangers,TQ051.5
  2. Study of Interaction between Epoxy Molecules and Carbon Fiber Surface with Molecular Simulation,TB332
  3. Research on Mechanism Analysis and Modeling Simulation of Horizontal Well Tractor,P631.83
  4. Study on Springback of High-Strength Steel Stamping,TG386
  5. Numerical Simulation and Experiment on Hydroforming of Cups with Controllable Radial Pressure,TG386
  6. Research on Technology and Mechanism of Joining Cemented Carbide to Carbon Steel,TG454
  7. The Brake Performance of Hydraulic Retarder and Simualtion Research on Its Application for Aircraft Arrestment,TH137.331
  8. Study on Contact Fatigue Life Based on Grease Variation with Temperature,TH117.22
  9. Satellite Attitude Determination Based on Gyro and Star Sensor,V448.2
  10. Numerical Simulation of Film Cooling in Turbine Cascade with Non-Axisymmetric Endwall Method,V231.3
  11. Research on Orbital Control Method for Space Rendezvous and Docking,V526
  12. High Speed Aerodynamic Convection and Coupled Heat Transfer of Complicated Bodies,V215.4
  13. The Analysis on Characteris of Vibration Source about Vertical Vibration of Surrounding Environment Induced by Rail Transit,U211.3
  14. Single Neuron PID Control for Electro-Hydraulic Servo Unit of Ship Rudder,U666.152
  15. Simulation Analysis on Temperature Stress of RCC Arch Dam and Its Construction Joints Design Research,TV642.2
  16. Analysis and Study of Abutment Stability in Concrete High Arch Dam by Three-Dimensional Nonlinear Finite Element Method,TV642.4
  17. Study on the Heat Transfer Characteristics of Particle Cluster in Circulating Fluidized Bed,TK124
  18. Numerical Simulation of SNCR Process of a 600MW Utility Boiler,TK222
  19. Numerical Simulation of Biomass Direct Reburning,TK16
  20. Numerical Simulation on Pulverized Coal Combustion Process in a 670T/H Tangential Firing Furnace,TK224.11
  21. Numerical Simulation on the Combustion Process in the Furnace of a 1000MW Lignite-Fired USC Boiler,TK224.11

CLC: > Industrial Technology > Oil and gas industry > Oil, natural gas storage and transportation > Mine oil and gas gathering and processing > Oil and gas gathering and transportation technology
© 2012 www.DissertationTopic.Net  Mobile