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Natural Gas Engineering - PTRL4020
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Campus: Kensington Campus
 
 
Career: Undergraduate
 
 
Units of Credit: 6
 
 
EFTSL: 0.12500 (more info)
 
 
Indicative Contact Hours per Week: 4
 
 
Enrolment Requirements:
 
 
Prerequisite:PTRL3001,PTRL3022
 
 
CSS Contribution Charge:Band 2 (more info)
 
   
 
Further Information: See Class Timetable
 
  

Description

Properties of natural gases: typical compositions. Definition of terms. Basic concepts of thermodynamics: the energy equation; ideal gas heat capacities, mean heat capacities; enthalpy; heating values of fuels; greenhouse gas contributions. Consequences of the second law of thermodynamics: power plant limitations; LNG power requirements. Equations of state: general cubic equations, specific high accuracy equations. Use of equations of state to find residual energy properties. Gas compression: positive displacement and centrifugal compressors; fans. Calculation of poser requirements; isothermal, isentropic, polytropic efficiencies. Compressible flow: fundamental equations of flow: continuity, momentum, energy equations. Choking in nozzles and valves. Low velocity isothermal flow in horizontal and vertical pipes: the Weymouth equation; high velocity limitations. Introduction to gas hydrates; predicting hydrate formation; estimating rates of injection for hydrate inhibitors. Naturally occurring hydrates as an energy resource. Unconventional resources for natural gas (coalbed methane, shale gas, tight gas).


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