Thermodynamic analysis of medium pressure reciprocating natural gas expansion engines

• Authors: Mahmood Farzaneh-Gord , Soheil Izadi , Seyed Iman Pishbin , Hamideh Sheikhani , Mahdi Deymi-Dashtebayaz
• Languages of publication: EN

Abstracts

EN

Natural gas pressure has to be reduced from medium pressure of 1.724 MPa (250 psia) to lower pressure of 0.414 MPa (60 psia) at Town Border pressure reduction Station (TBS). Currently, the pressure reduction is carried out by throttling valves while considerable amount of pressure energy is wasted. One of the equipment which could be used to recover this waste energy is the reciprocating expansion engine. The purpose of this research is to simulate one-sided reciprocating expansion engine thermodynamically for TBS pressure range. The simulation is based on first law of thermodynamics, conversation of mass and ideal gas assumptions. The model could predict in-cylinder pressure and in-cylinder temperature at various crank angles. In addition, the effects of the engine geometrical characteristics, such as intake and exhaust port area and ports timing on the Indicated work per cycle output are investigated.

Keywords

EN

Expansion engine; thermodynamic; first law; optimization; ideal gas model

• Publisher: De Gruyter Open
• Journal: Polish Journal of Chemical Technology
• Year: 2015
• Volume: 17
• Issue: 2
• Pages: 119-125

Dates

published

1 - 6 - 2015

online

9 - 6 - 2015

Contributors

author

Mahmood Farzaneh-Gord

• Shahrood University of Technology, The Faculty of Mechanical Engineering, Shahrood, Iran

author

Soheil Izadi

• Shahrood University of Technology, The Faculty of Mechanical Engineering, Shahrood, Iran

author

Seyed Iman Pishbin

• Khayyam University of Mashhad, Department of Mechanical Engineering, Mashhad, Iran

author

Hamideh Sheikhani

• National Iranian Gas Company, Research and Development Department, Khorasan Razavi Province

author

Mahdi Deymi-Dashtebayaz

• Hakim Sabzevari University, Faculty Members of Mechanical Engineering, Sabzevar, Iran

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Identifiers

DOI

10.1515/pjct-2015-0039