Research Article
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

http://dx.doi.org/10.30501/jree.2014.70052

Abstract
  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

Research Article
2. 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

http://dx.doi.org/10.30501/jree.2014.70058

Abstract
  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

Research Article
3. Design of Innovative Channel Geometrical Configuration and Its Effect on Species Distribution

Ashkan Torkavannejad; S. Mehdi Pesteei; Farzin Ramin; Nima Ahmadi; Hadi Shahmohammadi

Volume 1, Issue 1 , Autumn 2014, Pages 20-29

http://dx.doi.org/10.30501/jree.2014.70053

Abstract
  In this research, the impact of shoulder width and geometry of gas channel with different structures on proton exchange membrane (PEM) has been investigated using numerical method. 3D, non-isothermal was used with single straight channel geometrywhile maintaining the same boundary conditions and reaction ...  Read More

Research Article
4. Three Dimensional Computational Fluid Dynamics Analysis of a Proton Exchange Membrane Fuel Cell

Sajad Alah Rezazadeh; Iraj Mirzaie; Nader Pourmahmoud; Nima Ahmadi

Volume 1, Issue 1 , Autumn 2014, Pages 30-42

http://dx.doi.org/10.30501/jree.2014.70054

Abstract
  A full three-dimensional, single phase computational fluid dynamics model of a proton exchange membrane fuel cell (PEMFC) with both the gas distribution flow channels and the Membrane Electrode Assembly (MEA) has been developed. A single set of conservation equations which are valid for the flow channels, ...  Read More

Research Article
5. Multi Attribute Investment Planning of a Grid-Connected Diesel/Wind/PV/Battery Hybrid Energy System

Sajjad Golshannavaz; Daryoosh Nazarpour

Volume 1, Issue 1 , Autumn 2014, Pages 43-52

http://dx.doi.org/10.30501/jree.2014.70055

Abstract
  Recently, along with the depletion of fossil fuels and growing electrical requirements, more attention has been paid on utilizing Renewable Energy Sources (RESs). The Chichest tourism complex is located 20 km far from Orumieh, Iran which has been supplied through the main distribution grid connection. ...  Read More

Research Article
6. Reforming of Biogas over Co- and Cu-Promoted Ni/Al2O3-ZrO2 Nanocatalysts Synthesized via Sequential Impregnation Method

Mahdi Sharifi; Mohammad Haghighi; Farhad Rahmani; Nader Rahemi

Volume 1, Issue 1 , Autumn 2014, Pages 53-63

http://dx.doi.org/10.30501/jree.2014.70056

Abstract
  Utilization of active and stable catalyst could have enormous advantages in industrial application of biogas reforming. In order to achieve this goal, the effects of Cu and Co as promoters were investigated over physical-chemical properties of Ni/Al2O3-ZrO2 catalyst in reforming of biogas. The sequential ...  Read More

7. SILAR Sensitization as an Effective Method for Making Efficient Quantum Dot Sensitized Solar Cells

Mahmoud Samadpour; Mehdi Molaei

Volume 1, Issue 1 , Autumn 2014, Pages 64-70

http://dx.doi.org/10.30501/jree.2014.70057

Abstract
  CdSe quantum dots were in situ deposited on various structures of TiO2 photoanode by successive ionic layer adsorption and reaction (SILAR). Various sensitized TiO2 structures were integrated as a photoanode in order to make quantum dot sensitized solar cells. High power conversion efficiency was obtained; ...  Read More