Research Article Renewable Energy Resources and Technologies
1. Immobilizing Phosphotungstic Acid on Al2O3-ZnO Nano Mixed Oxides as Heterogeneous Catalyst for Biodiesel Production by Esterification of Free Fatty Acids

Tazkieh Gilvari; Behzad Aghabarari; Mohammad Pazouki

Volume 6, Issue 3 , Summer 2019, Pages 1-6

  This study investigated the esterification reaction of different carboxylic acids (Acetic acid, Palmitic acid, and Oleic acid) and ethanol by ZnO, Al2O3-ZnOmixed oxide, and phosphotungestic acid (10 wt %) immobilized on the Al2O3-ZnOmixed oxide. The heterogeneous catalysts were characterized by XRD, ...  Read More

Research Article Advanced Energy Technologies
2. Implementation of Adaptive Neuro-Fuzzy Inference System (Anfis) for Performance Prediction of Fuel Cell Parameters

Ali Mostafaeipour; Mojtaba Qolipour; Hossein Goudarzi; Mehdi Jahangiri; Amir-Mohammad Golmohammadi; Mostafa Rezaei; Alireza Goli; Ladan Sadeghikhorami; Ali Sadeghi Sedeh; Seyad Rashid Khalifeh Soltani

Volume 6, Issue 3 , Summer 2019, Pages 7-15

  Fuel cells are potential candidates for storing energy in many applications; however, their implementation is limited due to poor efficiency and high initial and operating costs. The purpose of this research is to find the most influential fuel cell parameters by applying the adaptive neuro-fuzzy inference ...  Read More

Research Article Renewable Energy Resources and Technologies
3. Thermodynamic Based Working Fluid Selection for High-Temperature Waste Heat Recovery of a Turbocharged Diesel Engine Using Organic Rankine Cycle

Amin Habibzadeh; Samad Jafarmadar

Volume 6, Issue 3 , Summer 2019, Pages 16-23

  A considerable amount of waste heat is produced by internal combustion engines. Bottoming cycle application of Organic Rankine Cycles (ORC) is one of the promising technologies that recuperates the waste heat of engines. A lot of engine waste heat is released into the environment. There are a lot of ...  Read More

Research Article Environmental Impacts and Sustainability
4. Assessment of Environmental Impacts and Energy of Biodiesel Production from Chicken Fat by Life Cycle Assessment Method

Marziyeh Forootan; Bahram Hosseinzadeh Samani; Amin Lotfalian; Sajad Rostami; Zahra Esmaeili; Marziyeh Ansari Samani

Volume 6, Issue 3 , Summer 2019, Pages 24-31

  To preserve fossil fuel sources and reduce environmental pollution, it is necessary to use higher quality and more efficient fuels that cause lower pollution and are recovered more easily. Therefore, this study will investigate the cycle of biodiesel production from chicken fat by life-cycle assessment ...  Read More

Research Article Environmental Impacts and Sustainability
5. Efficiency of Low-Pressure Reverses Osmosis (RO) in Desalination and TOC Removal from Caspian Seawater and Tajan River

Laleh R. Kalankesh; Mohammad Ali Zazouli; Ahmad Mansouri

Volume 6, Issue 3 , Summer 2019, Pages 32-37

  Water scarcity is a critical issue in Caspian Sea regions of Iran. Thus, people may use polluted water or saline brackish groundwater, estuarine water or seawater. This paper deals with the application of Low-Pressure reverse osmosis (RO) for removing salt and Total Organic Carbon (TOC) in synthetic ...  Read More

Research Article Renewable Energy Economics, Policies and Planning
6. A Review Study About Photovoltaic Systems and the Energy Payback Time Calculation for Selected Modules

Seyed Mohammad Emami Razavi; Mohammad Hossein Jahangir; Soroush Mousavi

Volume 6, Issue 3 , Summer 2019, Pages 38-49

  The renewable energy can be utilized to satisfy the energy demand. Moreover, the solar energy as the most abundant energy resource among renewable energies plays a crucial role to provide the energy demand. The BIPV (building integrated photovoltaics) systems can be considered to supply the required ...  Read More