Research Article Renewable Energy Resources and Technologies
1. Evaporation Characteristics of Diesel and Biodiesel Fuel Droplets on Hot Surfaces

Mehdi Zare; Barat Ghobadian; Seyed Reza Hassan-Beygi; Gholamhasan Najafi

Volume 7, Issue 2 , Spring 2020, Pages 1-7

  In CI engines, the evaporation rate of fuel on various hot surfaces, including the combustion chamber, has a significant effect on deposit formation and accumulation, the exhaust emissions of PM and NOx, and their efficiency. Therefore, the evaporation of liquid fuel droplets impinging on hot surfaces ...  Read More

Research Article Renewable Energy Economics, Policies and Planning
2. Foreign Direct Investment, Stock Market Development, and Renewable Energy Consumption: Case Study of Iran

Mahdieh Rezagholizadeh; Majid Aghaei; Omid Dehghan

Volume 7, Issue 2 , Spring 2020, Pages 8-18

  Concerning environmental pollution issues derived from fossil energy consumption, the application of renewable energies plays an important role in countries, especially in their energy sector policymaking. Since determining the relationship between different variables and renewable energy not only has ...  Read More

Research Article Environmental Impacts and Sustainability
3. Application of Artificial Neural Networks to the Simulation of Climate Elements, Drought Forecast by Two Indicators of SPI and PNPI, and Mapping of Drought Intensity; Case Study of Khorasan Razavi

Mohammad Hossein Jahangir; Mahnaz Abolghasemi; Seyedeh Mahsa Mousavi Reineh

Volume 7, Issue 2 , Spring 2020, Pages 19-26

  Drought is considered as a destructive disaster that can have irreversible effects on different aspects of life. In this study, artificial neural network was used as a powerful means of modeling nonlinear and indefinite processes in order to simulate drought intensities at 7 synoptic stations of Khorasan ...  Read More

Review Article Advanced Energy Technologies
4. A Review of Application of Experimental Design Techniques Related to Dark Fermentative Hydrogen Production

Fatemeh Boshagh; Khosrow Rostami

Volume 7, Issue 2 , Spring 2020, Pages 27-42

  The current review purpose is to present a general overview of different experimental design methods that are applied to investigate the effect of key factors on dark fermentation and are efficient in predicting the experimental data for biological hydrogen production. The methods of two levels full ...  Read More

Research Article Renewable Energy Resources and Technologies
5. Energy Modeling and Techno-Economic Analysis of a Biomass Gasification-CHAT-ST Power Cycle for Sustainable Approaches in Modern Electricity Grids

Saeed Hosseinpour; Seyed Alireza Haji Seyed Mirza Hosseini; Ramin Mehdipour; Amir Hooman Hemmasi; Hassan Ali Ozgoli

Volume 7, Issue 2 , Spring 2020, Pages 43-51

  In this study, an advanced combined power generation cycle was evaluated to obtain sustainable energy with high power and efficiency. This combined cycle includes biomass gasification, the Cascaded Humidified Advanced Turbine (CHAT), and the steam turbine. The fuel consumed by the system is derived from ...  Read More

Research Article Renewable Energy Resources and Technologies
6. A Novel Local Control Technique for Converter-Based Renewable Energy Resources in the Stand-Alone DC Micro-Grids

Arash Abedi; Behrooz Rezaie; Alireza Khosravi; Majid Shahabi

Volume 7, Issue 2 , Spring 2020, Pages 52-63

  This paper presents a novel local control method for the converter-based renewable energy resources in a stand-alone DC micro-grid based on energy analysis. The studied DC micro-grid comprises the renewable energy resources, back-up generation unit, and battery-based energy storage system, which are ...  Read More