Research Article Renewable Energy Resources and Technologies
1. 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

http://dx.doi.org/10.30501/jree.2019.95559

Abstract
  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

Research Article Renewable Energy Resources and Technologies
2. Effect of Platform Surge Motion on the Performance of 5MW NREL Offshore Floating Wind Turbine

Saeed Karimian Aliabadi; Sepehr Rasekh

Volume 6, Issue 1 , Winter 2019, Pages 8-14

http://dx.doi.org/10.30501/jree.2019.95553

Abstract
  In this study, an unsteady aerodynamic simulation is performed to realize the influences of platform surge motion on the aerodynamic performance of a high capacity offshore floating wind turbine. A dynamic model with pitch angle control system is utilized to propose a more realistic model of wind turbine ...  Read More

Research Article Renewable Energy Resources and Technologies
3. The Study of Thermostat Impact on Energy Consumption in a Residential Building by Using TRNSYS

Hadi Farzan

Volume 6, Issue 1 , Winter 2019, Pages 15-20

http://dx.doi.org/10.30501/jree.2019.95531

Abstract
  The present study investigates the effectiveness of thermostat control strategy in cooling energy consumption in residential buildings. To evaluate the energy consumption, two scenarios including a residential zone with and without the thermostat control system are assumed. The TRNSYS software provides ...  Read More

Research Article Advanced Energy Technologies
4. Equivalent Electrical Circuit Modeling of Ceramic-Based Microbial Fuel Cells Using the Electrochemical Impedance Spectroscopy (EIS) Analysis

Vajihe Yousefi; Davod Mohebbi-Kalhori; Abdolreza Samimi

Volume 6, Issue 1 , Winter 2019, Pages 21-28

http://dx.doi.org/10.30501/jree.2019.95555

Abstract
  The effect of the thickness of ceramic membrane on the productivity of microbial fuel cells (MFCs) was investigated with respect to the electricity generation and domestic wastewater treatment efficiencies. The thickest ceramic membrane (9 mm) gained the highest coulombic efficiency (27.58±4.2 ...  Read More

Research Article Renewable Energy Resources and Technologies
5. Comparison of the Effects of Hydrogen and Hydroxygen Additions and Oxygen Enrichment on the Emission Characteristics of EF7 Engine

Reza Rahimi; Alireza Shirneshan

Volume 6, Issue 1 , Winter 2019, Pages 29-35

http://dx.doi.org/10.30501/jree.2019.95560

Abstract
  In this study, the effects of hydrogen and hydroxygen additions and oxygen enrichment on the emission characteristics of a gasoline engine (EF7) were investigated and compared with each other. The simulation was launched by GT-Power at different engine speeds with 5 % to 15 % volume fractions for both ...  Read More

Research Article
6. Intelligent Pitch Angle Control Based on Gain-Scheduled Recurrent ANFIS

Ehsan Hosseini; Ehsan Aghadavoodi; Ghazanfar Shahgholian; Homayoun Mahdavi-Nasab

Volume 6, Issue 1 , Winter 2019, Pages 36-45

http://dx.doi.org/10.30501/jree.2019.95920

Abstract
  The effective utilization of wind energy conversion system )WECS( is one of the most crucial concerns for the development of renewable energy systems. In order to achieve appropriate wind power, different pitch angle methods are used. Recurrent Adaptive Neuro-Fuzzy Inference System (RANFIS) is utilized ...  Read More