Research Article
Thermodynamic evaluation and optimization of a cogeneration energy system integrated with steam network
Thermodynamic evaluation and optimization of a cogeneration energy system integrated with steam network

Hamed Amiri; Majid Amidpour; Amir Farhang Sotoodeh; Alireza Haji Molla Ali Kani

Volume 9, Issue 2 , July 2021, Pages 1-14

http://dx.doi.org/10.22108/gpj.2021.126419.1096

Abstract
  Cogeneration energy systems are one of the most promising clean, efficient technologies for satisfying industrial energy needs. In this study, a cogeneration system consisting of a ...  Read More
Research Article
The Numerical Simulation of Olefin Production Furnace for Pollution Reduction: Two case studies
The Numerical Simulation of Olefin Production Furnace for Pollution Reduction: Two case studies

Peyman Roudgar Saffari; Hesamoddin Salarian; Ali lohrasbi; Gholamreza Salehi

Volume 9, Issue 2 , July 2021, Pages 15-32

http://dx.doi.org/10.22108/gpj.2020.125609.1092

Abstract
  One of the most important petrochemical processes is olefin production, and the most important part of this process is the thermal cracking furnace. The analysis of the flow and combustion ...  Read More
Research Article
Multi-Objective Optimization of a RCCI Engine Fueled with Diesel Fuel and Natural Gas Enriched with Hydrogen
Multi-Objective Optimization of a RCCI Engine Fueled with Diesel Fuel and Natural Gas Enriched with Hydrogen

Hadi Mabadi Rahimi; Seyed Ali Jazayeri; Mojtaba Ebrahimi

Volume 9, Issue 2 , July 2021, Pages 33-42

http://dx.doi.org/10.22108/gpj.2021.129302.1105

Abstract
  The present study seeks to conduct the optimization of a heavy-duty diesel engine under RCCI combustion fueled with diesel fuel and natural gas enriched with hydrogen. Since NOx emission ...  Read More
Research Article
Effective Parameters on Oil Production Rate using Artificial Gas Lift: Case Study in the One of South Iranian Oil Fields
Effective Parameters on Oil Production Rate using Artificial Gas Lift: Case Study in the One of South Iranian Oil Fields

Mojtaba Zadnorouzi; Seyyed Ali Faal Rastegar; Atefeh Hasan-Zadeh

Volume 9, Issue 2 , July 2021, Pages 43-52

http://dx.doi.org/10.22108/gpj.2022.129708.1107

Abstract
  When the oil well pressure diminishes, production in the stock tank will decrease. One of the best methods for enhancing the production rate is an artificial gas lift. Injecting gas ...  Read More
Research Article
Environmental impact investigation of natural gas refinery process based on LCA CML-IA baseline method
Environmental impact investigation of natural gas refinery process based on LCA CML-IA baseline method

Kamran Kheiralipour; Ebrahim Tashanifar; Azam Hemati; Sadegh Motaghed; Alireza Golmohammadi

Volume 9, Issue 2 , July 2021, Pages 53-60

http://dx.doi.org/10.22108/gpj.2021.127680.1100

Abstract
  Gas refinery is an important process in point of energy production and economics. The importance of gas refinery and high amounts of inputs and emissions in the processes emphasize ...  Read More
Research Article
Investigating a novel propulsion system for unmanned aerial vehicle equipped with PEM electrolyzer, PEM fuel cell, and hydrogen and oxygen storage tanks, using photovoltaic panel as renewable energy
Investigating a novel propulsion system for unmanned aerial vehicle equipped with PEM electrolyzer, PEM fuel cell, and hydrogen and oxygen storage tanks, using photovoltaic panel as renewable energy

Amirhamzeh Farajollahi; Mohsen Rostami

Volume 9, Issue 2 , July 2021, Pages 61-82

http://dx.doi.org/10.22108/gpj.2022.133040.1118

Abstract
  Today, for enhancing the trend of energy demand in the world, the use of energy by the approach of maximizing the efficiency of energy systems is inevitable. On the other hand, the ...  Read More
Research Article
Energy, exergy and economic analysis of a hydrogen liquefaction process integrated with a PRICO cycle
Energy, exergy and economic analysis of a hydrogen liquefaction process integrated with a PRICO cycle

Arash Nourbakhsh; Mahdi Nami Khalilehdeh; Saman Faramarzi; Mostafa Mafi

Volume 9, Issue 2 , July 2021, Pages 83-102

http://dx.doi.org/10.22108/gpj.2022.132753.1114

Abstract
  Given the importance of using hydrogen fuel as one of the best sustainable energy sources,  different hydrogen liquefaction technologies are developed to store and transport it ...  Read More
Research Article
Influence of specific heat capacity ratio on the optimum design of the leading edge of centrifugal compressor impeller considering the presence of IGV
Influence of specific heat capacity ratio on the optimum design of the leading edge of centrifugal compressor impeller considering the presence of IGV

Jafar Nejadali

Volume 9, Issue 2 , July 2021, Pages 103-112

http://dx.doi.org/10.22108/gpj.2022.131687.1110

Abstract
  In this paper, a theoretical analysis was carried out for optimum designing of the leading edge of centrifugal compressor blades. The effect of change in specific heat capacity ratio ...  Read More