Improvement of Solar Still Productivity by Energy Absorbing Plates

Hitesh N. Panchal; P. K. Shah

Volume 1, Issue 1 , December 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

Making Decision Support System for Utilization of Biogas in Iran

Maryam Nosratinia; Ali Asghar Tofigh; Mehrdad Adl

Volume 2, Issue 1 , February 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

Dynamic Stabilization of Wind Farms Deploying Static Synchronous Series Compensator

Sajjad Golshannavaz; Daryoush Nazarpour

Volume 2, Issue 2 , April 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

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 , February 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

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 , May 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

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 , August 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

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 , November 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

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 , February 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

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 , September 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
Techno- Economic and Life- Cycle Cost Assessment of the CCHP/ PV Hybrid System Application

Mohammad Ameri; Keivan Salimi

Volume 4, Issue 4 , December 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
Stability Improvement of Hydraulic Turbine Regulating System Using Round-Robin Scheduling Algorithm

Fariba Heidarpour; Ghazanfar shahgholian

Volume 5, Issue 1 , January 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
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 , October 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
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 , September 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
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 , February 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
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 , April 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
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 , July 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
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 , October 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
Multi-Objective Optimization of the Humidification-Dehumidification Desalination System for Productivity and Size

Amir Reza Khedmati; Mohammad Behshad Shafii

Volume 7, Issue 1 , February 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
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 , April 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

Renewable Energy Resources and Technologies
Control of Pitch Angle in Wind Turbine Based on Doubly Fed Induction Generator Using Fuzzy Logic Method

Ehsan Hosseini; Neda Behzadfar; Mahnaz Hashemi; Majid Moazzami; Majid Dehghani

Volume 9, Issue 2 , May 2022, , Pages 1-7

  Wind turbines can be controlled by controlling the generator speed and adjusting the blade angle and the total rotation of a turbine. Wind energy is one of the main types of renewable energy and is geographically extensive, scattered and decentralized and is almost always available. Pitch angle control ...  Read More

Renewable Energy Resources and Technologies
Improved Droop Control Method for Reactive Power Sharing in Autonomous Microgrids

Babak Keyvani; Bahador Fani; Hamed Karimi; Majid Moazzami; Ghazanfar Shahgholian

Volume 9, Issue 3 , September 2022, , Pages 1-9

  Conventional droop control method has been widely adopted for power sharing between Distributed Generators (DGs) in microgrids. However, the mismatched feeder impedance of the Voltage-Sourced Inverters (VSI) may generate reactive power sharing error during islanding operation of a microgrid. In this ...  Read More

Renewable Energy Resources and Technologies
Development of Rural Tourism in Iran Using PV-Based System: Finding the Best Economic Configuration

Mehdi Jahangiri; Farhad Raeiszadeh; Reza Alayi; Atabak Najafi; Ahmad Tahmasebi

Volume 9, Issue 4 , December 2022, , Pages 1-9

  Rural tourism is an important factor in achieving economic, social, and cultural development. Given that villages in Iran do not have access to permanent electricity or are associated with high power outages, the provision of sustainable electricity through renewable energy can cause more tourists to ...  Read More

Renewable Energy Resources and Technologies
Energy Potential of Agricultural and Forestry By-Products in Peru

Roxana Isabel Bernaola Flores; Carmen Elena Flores Barreda; Diana Carolina Parada Quinayá; Ursula Fabiola Rodríguez Zúñiga

Volume 10, Issue 1 , January 2023, , Pages 1-8

  Reducing the demand for fossil fuels and the derived products can be achieved through the development of alternative energy sources. This work presents a countrywide study of the energy potential of lignocellulosic biomass sourced from agro-industrial by-products in the country of Peru. Ranking of the ...  Read More

Renewable Energy Resources and Technologies
Experimental Investigation into the Combustion, Performance, and Emission Characteristics of Oxygenated DEE and Ethanol Blending with KOME Biodiesel Fuelled CI Engine

Krishnarao Rajaram Patil

Volume 10, Issue 2 , May 2023, , Pages 1-8

  The present study aims to develop different strategies for better utilization of oxygenated Diethyl ether and ethanol as supplementary fuels by blending them with biodiesel as the base fuel in CI engines. The used biodiesel used was readily available Karanja Oil Methyl Ester (KOME), its scientific name ...  Read More

Renewable Energy Economics, Policies and Planning
Investigation of the Height Distribution Effect of Residential Complex Blocks on Optimization of Cooling and Heating Loads (Tehran, District 9)

Zeinab Ghasemi Sangi; Abbas Tarkashvand; Hanieh Sanaeian

Volume 10, Issue 3 , August 2023, , Pages 1-12

  The height of buildings is one of the main features of urban configuration that affects energy consumption. However, to our knowledge, the complexity of relationships between the height parameters and energy use in urban blocks is poorly understood. In this context, the present study investigates the ...  Read More