Assessment of Technological Path of Hydrogen Energy Industry Development: A Review

N. Norouzi

Volume 12, Issue 4 , October 2021, Pages 273-284

  Hydrogen energy has the advantages of low carbon and cleanliness, high energy density, and high conversion efficiency; it is expected to play a pivotal role in Eastern Asia and the MENA region’s energy transition. The research status and development prospects of various technologies in hydrogen ...  Read More

Techno-economic Optimization of Combined Cooling, Heat and Power System Based on Response Surface Methodology

M. E. Kazemian; S. A. Gandjalikhan Nassab; E. Jahanshahi Javarana

Volume 12, Issue 4 , October 2021, Pages 285-296

  In the present work, the statistical analyses are presented to study the economic indexes of Net Present Value (NPV) and Simple Payback Period (SPB) as response functions for the Combined Cooling, Heating and Power (CCHP) system. The CCHP performance is simulated with the aid of thermodynamic modeling, ...  Read More

Evaluation of Different Glazing Materials, Strategies, and Configurations in Flat Plate Collectors Using Glass and Acrylic Covers: An Experimental Assessment

M. Ameri; H. Farzan; M. Nobari

Volume 12, Issue 4 , October 2021, Pages 297-306

  Glass plates have been commonly used as collectors’ covers due to technical feasibility, high transmissivity in shortwave solar irradiation, and low transmissivity in long-wavelengths. However, they are vulnerable to stones and hail. Plastic plates have high transmissivity in shortwaves but also ...  Read More

Energy and Exergy Analysis and Optimization of Turbofan Engine-TF30-P414

S. D. Farahani; M. Alibeigi; M. R. Sabzehali

Volume 12, Issue 4 , October 2021, Pages 307-317

  The turbofan engines are one of the constitutes significant components of the aero engines. In this study, the thermodynamic modeling of the TF30-P414 turbofan engine is developed and validated with reference values. The aims of this research are to determine the effect of the changes in the thrust, ...  Read More

Remediation of Heavy Metals from Galvanic Wastewater Using Cow Bone Char as Low Cost Adsorbent

R. A. Olaoye; S. O. Ojoawo; O. Bamigbade; N. Alimi; I. O. Rasaq; T. Oladejo

Volume 12, Issue 4 , October 2021, Pages 318-326

  The adhesion of metal ions from wastewater to surface of a material in an adsorption process had proven to be effective for remediation of wastewater before discharge. There is a growing demand to utilize alternative low-cost adsorbents for the removal of heavy metals from galvanic wastewater in most ...  Read More

Optimization of Thermal Performance of Windows in Intermediate Housing in Cold and Dry Climate of Tabriz

S. Abdoli Naser; F. Haghparast; M. Singery; H. Sattari Sarbangholi

Volume 12, Issue 4 , October 2021, Pages 327-336

  Windows in the building are the biggest elements of heat loss through convective heat transfer. The purpose of study is to select appropriate dimensions for windows relative to shell and appropriate glazing for windows, in order to achieve optimal pattern to reduce energy consumption. The research method ...  Read More

Floating Solar Power Plants: A Way to Improve Environmental and Operational Flexibility

M. Esmaeili Shayan; J. Hojati

Volume 12, Issue 4 , October 2021, Pages 337-348

  The Photovoltaic modules installed on the surface of the water are naturally cooled, reducing the loss of thermal power generation. Floating photovoltaic systems (FPVS) combine existing photovoltaic systems with a floating structure to generate clean energy. To meet the growing electricity demand, FPV ...  Read More

Effect of Fixed Louver Shading Devices on Thermal Efficiency

H. Bagheri Sabzevar; Z. Erfan

Volume 12, Issue 4 , October 2021, Pages 349-357

  Today’s energy consumption is one of the most important causes of pollution around the world. Considering the building sector consumes the most energy, it should be seriously considered. In order to provide thermal comfort inside a building, energy is consumed, which can be managed using tools ...  Read More

Water Resources Engineering
Empirical Study of the Groundwater Protection Potential and Water Quality Using the Electrical Resistivity Method and a PG990 Spectrometer Around Obafemi Awolowo University Dumpsite Southwestern Nigeria

O. O. Ajani; G. O. Olutona; A. A. Adeniji

Volume 12, Issue 4 , October 2021, Pages 358-366

  Groundwater plays a very important and fundamental part in human existence because of its essential role in living systems. The study aimed at carrying out an empirical study into groundwater protective potential and water quality around Obafemi Awolowo University solid waste facility and AbaGboro Community. ...  Read More

The Role of Nanoparticles and Different Tube Diameter on Thermal Performance in Shell and Helically Coiled Tube Heat Exchangers with Single Phase and Sub-cooled Boiling Flow

H. Abazari Bahnemiri; S. A. A. Oloomi; S. A. A. Mirjalily; A. Zare-Shahabadi

Volume 12, Issue 4 , October 2021, Pages 367-377

  In the present research, effects of nanoparticles and changing of tube diameter have been scrutinized on heat transfer parameters in the shell and helically coiled tube heat exchanger. A CFD analysis and also a modeling of the mentioned heat exchager have carried out by writing a code in MATLAB software ...  Read More