1. Improvement of Solar Still Productivity by Energy Absorbing Plates

Hitesh N. Panchal; P. K. Shah

Volume 1, Issue 1 , Autumn 2014, , Pages 1-7


  A solar still is a viable option when the demand of potable water does not exceed more than 3 litres. Enhancement in distillate output from the solar still is a main goal of many researchers all over the world. In this research, the effect of copper and aluminium plates on distillate output is investigated ...  Read More

2. Making Decision Support System for Utilization of Biogas in Iran

Maryam Nosratinia; Ali Asghar Tofigh; Mehrdad Adl

Volume 2, Issue 1 , Winter 2015, , Pages 1-5


  The use of renewable energy sources is often suggested to be a good solution for climate change and the dependency to fossil fuel. Biogas utilization is a one of these promising options that can mitigate these problems since biogas is produced by the fermentation of waste, so is rich in methane and has ...  Read More

3. Dynamic Stabilization of Wind Farms Deploying Static Synchronous Series Compensator

Sajjad Golshannavaz; Daryoush Nazarpour

Volume 2, Issue 2 , Spring 2015, , Pages 1-8


  Encountering series-compensated transmission lines, sub-synchronous resonance (SSR) may strike the power system by jeopardizing its stability and mechanical facilities. This paper aims to verify the capability of static synchronous series compensator (SSSC) in mitigating the mechanical and electrical ...  Read More

4. Biodiesel Production of Capparis Spinosa Oil via Trans-Esterification Reaction by Using NaOH Catalyst and Its Pilot Synthesis Design

Hamid Reza Chitsaz; Mohammadreza Omidkhah; Kambiz Tahvildari

Volume 3, Issue 1 , Winter 2016, , Pages 1-7


  Energy obtained from renewable sources has increased its participation in the energy matrix worldwide, and it is expected to maintain this tendency. Both in large and small scales, there have been numerous developments and research with the aim of generating fuels and energy using different raw materials ...  Read More

5. Optimizing Window Size and its Sunshade in Four Main Directions of Residential Buildings in Mild Climate by Integrating Thermal and Lighting Analysis

Ayda Montaser Koohsari; Rima Fayaz; Behrouz Mohammad Kari

Volume 3, Issue 2 , Spring 2016, , Pages 1-14


  As part of sustainable architecture principles and practices, designers need to define building's architectural requirements based on climatic conditions, environmental preservation and reduction in energy consumption. The natural energy sources such as solar radiation affect thermal and lighting performances ...  Read More

6. A Switchgrass-based Bioethanol Supply Chain Network Design Model under Auto-Regressive Moving Average Demand

Hamid Ghaderi; Mona Asadi; Saeed Shavalpour

Volume 3, Issue 3 , Summer 2016, , Pages 1-10


  Switchgrass is known as one of the best second-generation lignocellulosic biomasses for bioethanol production. Designing efficient switchgrass-based bioethanol supply chain (SBSC) is an essential requirement for commercializing the bioethanol production from switchgrass. This paper presents a mixed integer ...  Read More

7. Optimization of Biodiesel Production from Castor Oil Using a Microwave Via Response Surface Methodology (RSM)

Mohammad Kord; Seyed Mojtaba Sadrameli; Barat Ghobadian

Volume 3, Issue 4 , Autumn 2016, , Pages 1-9


  The purpose of this research work was to investigate the optimum operating conditions for biodiesel production from castor oil using a microwave. The Box–Behnken design of experiment was carried out using the Design Expert 7. A response surface methodology (RSM) was used to analyze the influence ...  Read More

8. Theoretical Investigation of Consumption Patterns Effect on Optimal Orientation of Collector in Solar Water Heating System

Abbas Rajabi Khanghahi; Mohammad Zamen; Mehdi Soufari; Majid Amidpour; Ali Abbas Nejad

Volume 4, Issue 1 , Winter 2017, , Pages 1-10


  One of the subjects in solar water heater design is considering distribution of hot water consumption during the day. For example, each of the household, commercial, office, school, and industrial consumptions have a particular distribution of hot water consumption named pattern in this article. In solar ...  Read More

9. Investigating the Batch and Continuous Transesterification of Linseed Oil by Using a Alkaline Heterogeneous Catalyst in a Packed Bed Reactor

Mahdi Hashemzadeh Gargari; Seyed Mojtaba Sadrameli; mohammad taherkhani

Volume 4, Issue 2 and 3 , Summer 2017, , Pages 1-9


  Both the continuous and batch transesterification of linseed oil were examined in order to maximize the fatty acid methyl esters (FAME) yield. The continuous process was conducted in a packed bed reactor using calcium oxide as a heterogeneous catalyst. In addition, the impact of two variables, namely ...  Read More

Environmental Impacts and Sustainability
10. Techno- Economic and Life- Cycle Cost Assessment of the CCHP/ PV Hybrid System Application

Mohammad Ameri; Keivan Salimi

Volume 4, Issue 4 , Autumn 2017, , Pages 1-8


  In recent decades, excessive using fossil fuels has been resulted in emitting greenhouse gases such as CO2, consequently, environmental pollution. In this study, the techno-economic analysis of the CCHP/PV hybrid system application for a sample building was examined to reduce the environmental pollution ...  Read More

Renewable Energy Resources and Technologies
11. Stability Improvement of Hydraulic Turbine Regulating System Using Round-Robin Scheduling Algorithm

Fariba Heidarpour; Ghazanfar shahgholian

Volume 5, Issue 1 , Winter 2018, , Pages 1-7


  The sustainability of hydraulic turbines was one of the most important issues considered by electrical energy provider experts. Increased electromechanical oscillation damping is one of the key issues in the turbines sustainability. Electromechanical oscillations, if not quickly damp, can threaten the ...  Read More

Renewable Energy Economics, Policies and Planning
12. An Integrated Baseline Geodatabase for Facilitating the Environmental Impact Assessment Process: Case Study of Sabalan Geothermal Project, Iran

Younes Noorollahi; Fatemeh Pourghasem; Hossein Yousefi

Volume 5, Issue 4 , Autumn 2018, , Pages 1-17


  Baseline data represent one of the important stages of Environmental Impact Assessment (EIA) procedure that describes the existing environment of the study area and surrounding areas in enough detail to allow the environmental impacts of the proposed area to be accurately and adequately assessed, and ...  Read More

Renewable Energy Resources and Technologies
13. An Optimized Design of a Single Effect Absorption Solar Chiller for an Energy Consuming Optimized Designed Residential Building

Negin Maftouni; Kiana Motaghedi

Volume 5, Issue 3 , Summer 2018, , Pages 1-9


  Traditional fossil fuels, which are also depleting cause environmental problems. A significant portion of global energy consumption is due to building air conditioning systems. Nowadays, considerable attention is drawn to renewable and sustainable energy sources to support the energy requirements of ...  Read More

Renewable Energy Resources and Technologies
14. Designing and Application of Solar Active Systems for Hakim Sabzevari University: A Case Study of the Dining Hall

Narges Barzanooni; Hamid Reza Haghgou

Volume 6, Issue 1 , Winter 2019, , Pages 1-7


  In this paper, on the basis of Green comprehensive Plan at Hakim Sabzevari University of Sabzevar, Iran, using of active solar systems at dining hall has been evaluated. On the basis of solar measured data and some solar models and relations, solar energy on the various surfaces and tilts are ...  Read More

Renewable Energy Resources and Technologies
15. Considering an Up-Flow Anaerobic Sludge Blanket for the Treatment of Spearmint Essential Oil Wastewater and Biogas Production

Bahman Heydari; Shahin Rafiee; Elham Abdollahzadeh Sharghi; Seyed Saeid Mohtasebi

Volume 6, Issue 2 , Spring 2019, , Pages 1-7


  The aromatic and dark-colored spearmint essential oil wastewater (SEOW) generally contains a large amount of organic matter, including chemical oxygen demand (COD), phenolic compounds, and inorganic contents. In this study, the pollutant removal performance and biogas production rate of an up-flow anaerobic ...  Read More

Renewable Energy Resources and Technologies
16. 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

Renewable Energy Resources and Technologies
17. Simultaneous Electricity Generation and Sulfur Removal by Electrogenic Sulfate Reducing Bacteria in BES System

Tahmineh Taheri Dezfouli; Reza Marandi; Morteza Kashefiolasl; Mozhgan Emtyazjoo; Maasomeh Javaheri

Volume 6, Issue 4 , Autumn 2019, , Pages 1-9


  The modern BioElectrochemical technologies can convert the energy stored in the chemical bonds of biodegradable organic materials to renewable electrical energy through the catalytic reactions of microorganisms while treating the waste waters. The present research was conducted to evaluate the efficiency ...  Read More

Renewable Energy Resources and Technologies
18. Multi-Objective Optimization of the Humidification-Dehumidification Desalination System for Productivity and Size

Amir Reza Khedmati; Mohammad Behshad Shafii

Volume 7, Issue 1 , Winter 2020, , Pages 1-11


  The humidification-dehumidification system is one of the desalination technologies that can utilize non-fossil thermal sources and requires insignificant input energy. This system is usually suitable for rural areas and places far from the main sources of energy. The purpose of this study is to obtain ...  Read More

Renewable Energy Resources and Technologies
19. 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

Advanced Energy Technologies
20. 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

Renewable Energy Economics, Policies and Planning
21. 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

Renewable Energy Resources and Technologies
22. 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

Environmental Impacts and Sustainability
23. 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

24. Simulation of Convective Heat Transfer and Pressure Drop in Laminar Flow of Al2O3/water and CuO/water Nanofluids Through Square and Triangular Cross-Sectional Ducts

S. Zeinali Heris; Farhad Oghazian; Mahmoud Khademi; Effat Saeedi

Volume 2, Issue 1 , Winter 2015, , Pages 6-18


  In this study, the convective heat transfer and pressure drop in laminar flow of Al2O3/water and CuO/water nanofluids through square and triangular cross-sectional ducts have been numerically investigated using new technique. It has been assumed that there is constant heat flux boundary condition at ...  Read More

25. Evaluation of Ethanol Production from Tannin-Reduced Carob Pod Extracts by Zymamonas Mobilis

Hossein Vaheed; S. Mohammad Mousavi; S. Abbas Shojaosadati; Hasan Galip

Volume 1, Issue 1 , Autumn 2014, , Pages 8-19


  Regarding some reported antimicrobial properties of tannins; Zymomonas mobilis was used to obtain ethanol from tannin-reduced carob pod extract (TR-CPE). Culture of 50 mL volume containing 7.5 g sugar at pH 5.5 and 0.03 g bacterial inoculums with shaking at 80 rpm was used. Using response surface methodology ...  Read More