Investigation of biogas composition effects on combustion characteristics of an RCCI engine
Investigation of biogas composition effects on combustion characteristics of an RCCI engine

Payam Asadollahzadeh; Mohammad Hosein Hamedi; Seyyed Ali Jazayeri

Volume 8, Issue 2 , October 2020, , Pages 61-67

https://doi.org/10.22108/gpj.2021.121028.1078

Abstract
  Fuel reactivity controlled compression ignition (RCCI) engines are promising approaches to achieve high efficiency and clean combustion. Using biogas as a primary fuel in the engines ...  Read More
Advanced Exergoeconomic Analysis of C3MR, MFC and DMR ‎Refrigeration Cycles in an Integrated Cryogenic Process
Advanced Exergoeconomic Analysis of C3MR, MFC and DMR ‎Refrigeration Cycles in an Integrated Cryogenic Process

Vahid Ghazizadeh; Bahram Ghorbani; Reza Shirmohammadi; Mehdi Mehrpooya; Mohammad Hosein Hamedi

Volume 6, Issue 1 , January 2018, , Pages 41-71

https://doi.org/10.22108/gpj.2018.111251.1032

Abstract
  C3MR, MFC, and DMR processes in an integrated LNG-NGL-NRU structure are investigated using the conventional and advanced exergy and exergoeconomic analyses. The results of advanced ...  Read More
Thermodynamic simulation and economic modeling and optimization ‎of a multi generation system partially fed with synthetic gas from ‎gasification plant
Thermodynamic simulation and economic modeling and optimization ‎of a multi generation system partially fed with synthetic gas from ‎gasification plant

Mohammad Rahimi; Mohammad Hosein Hamedi; Majid Amidpour

Volume 5, Issue 2 , December 2017, , Pages 49-68

https://doi.org/10.22108/gpj.2018.110943.1025

Abstract
  This paper presents thermodynamic simulation, economic modeling and annual profit optimization of a multi generation system which produces both power and fresh water. The fuel of the ...  Read More
Superstructure of Cogeneration of Power, Heating, Cooling and Liquid Fuels Using Gasification of Feedstock with Primary Material of Coal for Employing in LNG Process
Superstructure of Cogeneration of Power, Heating, Cooling and Liquid Fuels Using Gasification of Feedstock with Primary Material of Coal for Employing in LNG Process

Malek Shariati Niasar; Majid Amidpour; Bahram Ghorbani; Mohammad-Javad Rahimi; Mehdi Mehrpooya; Mohammad-Hossein Hamedi

Volume 5, Issue 1 , January 2017, , Pages 1-23

https://doi.org/10.22108/gpj.2017.100034.1000

Abstract
  Using absorption refrigeration cycles instead of vapor compression refrigeration cycles can drastically decrease energy consumption. In these systems, high level of energy consumption ...  Read More
Exergoeconomic Evaluation of an Integrated Nitrogen Rejection Unit with LNG and NGL Co-Production Processes Based on the MFC and Absorbtion Refrigeration Systems
Exergoeconomic Evaluation of an Integrated Nitrogen Rejection Unit with LNG and NGL Co-Production Processes Based on the MFC and Absorbtion Refrigeration Systems

Bahram Ghorbani; Mohammad-Hossein Hamedi; Majid Amidpour

Volume 4, Issue 1 , January 2016, , Pages 1-28

https://doi.org/10.22108/gpj.2016.20410

Abstract
  Natural gas is often associated with nitrogen and heavy compounds. The Heavy components in the natural gas not only can feed downstream units, owing to the low temperature process may ...  Read More
Advanced Exergy Evaluation of an Integrated Separation Process with Optimized Refrigeration System
Advanced Exergy Evaluation of an Integrated Separation Process with Optimized Refrigeration System

Mohammad-Hossein Hamedi; Reza Shirmohammadi; Bahram Ghorbani; Soheil Sheikhi

Volume 3, Issue 1 , January 2015, , Pages 1-10

https://doi.org/10.22108/gpj.2015.20181

Abstract
  Advanced exergy analysis is a tool to split the exergy destruction of the system to achieve a better perspective about the potentials of a system for improvements. In addition, the ...  Read More
Thermodynamic and Economic Optimization of a Refrigeration Cycle for Separation Units in the Petrochemical Plants Using Pinch Technology and Exergy Syntheses Analysis
Thermodynamic and Economic Optimization of a Refrigeration Cycle for Separation Units in the Petrochemical Plants Using Pinch Technology and Exergy Syntheses Analysis

Soheil Sheikhi; Bahram Ghorbani; Reza Shirmohammadi; Mohammad-Hossein Hamedi

Volume 2, Issue 2 , February 2014, , Pages 39-51

https://doi.org/10.22108/gpj.2014.20422

Abstract
  Exergy and thermoeconomic analyses are herein employed to evaluate the proposed refrigeration cycle of Tabriz olefin plant. The exergetic and exergoeconomic variables of all equipment ...  Read More