Design and Development of Cylindrical Parabolic Collector for Hot Water Generation

K. H. Bhujangrao

Volume 7, Issue 1 , January 2016, , Pages 1-6

  Today’s India is in need of generating power at higher rate to maintain adequate supply of electricity to users for development and growth of Nation. Non renewable energy sources like coal and petroleum products are the major sources utilized for power production. To reduce the gap between demand ...  Read More

Influence of Inherent Alkali Content and Surface Area of Biomass Char on its CO2 Gasification Reactivity

P. Lahijani; G. D. Najafpour; M. Mohammadi

Volume 8, Issue 1 , January 2017, , Pages 1-5

  In this work, isothermal gasification reactivity of pistachio nut shell (PNS) char and oil palm shell (OPS) char was studied under CO2 using Thermogravimetric analysis (TGA). The effects of temperature, inherent alkali content and surface area of each biomass char on promotion of CO2 gasification reactivity ...  Read More

Performance of Solar Contribution in Hybrid Parabolic trough Power Plants on Solar Extraction System in Algeria

B. Mohammed; M. Abderrezak; M. Feidt

Volume 9, Issue 1 , January 2018, , Pages 1-9

  Parabolic trough power plants have been developed on several concepts for production of renewable energy in integrated solar combined cycle system (ISCCS) and direct steam generation (DSG). Each concept has their characteristic due to solar energy configuration. Recently, technology for Solar aided power ...  Read More

Sequestration of Copper (II) and Iron (II) Ions from Electroplating Effluent Using Crab Shells Chitosan Stabilized Silver Nanocomposite

A. Sumaila; M. M. Ndamitso; A. S. Ambali; Y. A. Iyaka; J. O. Tijani

Volume 10, Issue 1 , March 2019, , Pages 1-9

  This work presents the green preparation of chitosan stabilized silver nanocomposite using aqueous leaf extracts of Nicotiana tobaccum. The prepared chitosan – silver nanocomposite was characterized by the ultraviolet-visible (UV-Vis) spectroscopy, X-ray diffraction (XRD), high resolution scanning ...  Read More

Watershed Hydrological Responses to Changes in Land Use and Land Cover at Hangar Watershed, Ethiopia

A. W. Galata; T. A. Demissei; M. K. Leta

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

  The various water resources project planning and implementation need the knowledge of factors influencing watershed hydrology. Therefore, this study analyzed Hangar watershed hydrological responses to land use/land cover change (LULCC) from 1987 to 2017. In addition to the LULC data, the input data used ...  Read More

A Comprehensive Evaluation of Renewable Energy Systems with a Backup to Provide a Part of Electrical Needs of a Hospital: A Case Study in Grid-connected Mode

I. Pishkar; S. M. Beigi

Volume 15, Issue 1 , January 2024, , Pages 1-9

  With sensitive and important systems in hospitals requiring an uninterrupted power supply, finding solutions for power outages is becoming increasingly crucial. Iran's favorable potential for renewable energy makes wind and solar energy viable options to support hospital electricity needs and contribute ...  Read More

Removal of Cadmium (II) from Aqueous Solutions onto Dodonaeae Viscose Leg Powder Using a Green Process: Isotherms, Kinetics and Thermodynamics

M. Massoud; M. Erhayem; F. Al-Tohami

Volume 10, Issue 1 , March 2019, , Pages 10-16

  In the present study, batch adsorption experiments of hazardous cadmium ions, Cd(II), onto low-cost Dodonaeae Viscose Legs (DVLs) surface were conducted with respect to contact time, solution pH, adsorbent dosage, initial Cd concentration and temperature. Sorption isotherm, kinetic and thermodynamic ...  Read More

Micro-properties of Molding Products between Modified Corn Stalk and Pulverized Coal

J. Chen; Y. Haijun; L. Hao; Z. Zhifang; L. Mei

Volume 10, Issue 2 , June 2019, , Pages 72-79

  Taking Shanxi fat coal, Shanxi 4# coke coal and Shenmu low rank pulverized coal as raw materials, three different concentrations of NaOH modified corn stalk were used as binder.  The effect of changing NaOH concentrations and coal particle size used in moulding briquette and formed coke on its SEM ...  Read More

Hourly Air Temperature Modeling Based on Atmospheric Pressure, Global Solar Radiation and Relative Humidity Data

D. Bensahal; A. Yousfi

Volume 9, Issue 2 , June 2018, , Pages 78-85

  This paper is focusing on hourly air temperature estimation model (MAT) using available meteorological measured data located in Laghouat (Algeria). The hourly air temperature defined by the present model can be calculated at any time of the night or the day period based on atmospheric pressure, global ...  Read More

Direct Measurements of Turbulence and Flow Characteristics of a Vertical Axis Wind Turbine Using the Eddy Covariance Method

Y. H’ng; Y. Yusup

Volume 7, Issue 2 , April 2016, , Pages 84-93

  Turbulence intensity measurements of vertical axis wind turbine (VAWT) are essential to detemineitsefficiency and performance. In this study, the eddy covariance (EC) method was used to characterise the flow and directly measure turbulence of a VAWT in a controlled indoor laboratory using an ultrasonic ...  Read More

Bioremediation of Heavy Metal Contaminated Soils Originated from Iron Ore Mine by Bio-augmentation with Native Cyanobacteria

Z. Biglari Quchan Atigh; A. Heidari; A. Sepehr; M. Bahreini; K. R. Mahbub

Volume 11, Issue 2 , June 2020, , Pages 89-96

  The soil in the Sangan iron-mining region in the east of Iran is contaminated with a high concentration of heavy metals, especially iron. The release of these pollutants into environment results in the transfer and accumulation of iron through the food chains, hence a reasonable solution is required ...  Read More

Heterogeneous Catalyst HZSM5 in Biodiesel Production from Rapeseed Oil in Batch Process

M. Mohammadpour; G. D. Najafpour; M. Rahimnejad; M. Kiakojouri

Volume 8, Issue 2 , April 2017, , Pages 95-101

  In this paper, HZSM5 zeolite was synthesized through reflux method on support material CaO (25, 35 and 45 wt%) in two specific methods: microwave and impregnation at high temperature. The zeolite catalyst was modified with impregnation of NaOH (2, 4, 8, 12 wt%) at room temperature. The modified zeolite ...  Read More

Experimental Evaluation of the Effect of Incident Wave Frequency on the Performance of a Dual-chamber Oscillating Water Columns Considering Resonance Phenomenon Occurrence

R. Shafaghat; M. Fallahi; B. Alizadeh Kharkeshi; M. Yousefifard

Volume 13, Issue 2 , March 2022, , Pages 98-110

  This paper has experimentally investigated the performance of a dual-chamber oscillating water columns (OWC) imposed on Caspian Sea wave’s characteristics. Experimental runs were performed for three water draft depths of 10, 15, and 20 cm and eight wave frequencies ranging from 0.4 to 0.7 Hz. Also, ...  Read More

More Secure Iranian Energy System: A Markal Based Energy Security Model for Iranian Energy Demand-side

A. Behzadi Forough; N. Norouzi; M. Fani

Volume 12, Issue 2 , June 2021, , Pages 100-108

  As the world’s seventeenth-largest economy and a significant exporter of fossil fuels, the choice of future energy paths and policies that Iran will pursue over the next three decades will have a considerable impact on global energy security as a whole. Especially the eastern region. This article ...  Read More

Electrical Energy Auditing by Analyzing End-Use Energy Consumption: A Case Study of an Office Building in Tehran

M. Tayari; E. Burman

Volume 9, Issue 3 , October 2018, , Pages 153-162

  Auditing electrical energy in buildings is a feasibility study consisting of a comprehensive assessment of a building's electrical utilities in order to optimize energy consumption. In this paper a bottom-up method to estimate electrical loads is formulated that could help in disaggregating electricity ...  Read More

The Interest of the Wind Farm of Adrar to the Southwest Network of Algeria

G. Hocine; L. Fatiha; G. F. Zohra; A. Tayeb

Volume 10, Issue 3 , September 2019, , Pages 165-170

  The interest in renewable energy has been increasing over the last few years, especially after global awareness regarding the hazardous effect of fossil fuel burning. Energy is the source of growth and the booster of the economic and social development of nations and people. This issue has prompted the ...  Read More

Modeling and Validation of Some Combustion Parameters in a VCR Engine Fuelled with Argemone mexicana Biodiesel-Diesel Blends Using RSM

H. Joardar; M. K. Parida; A. K. Rout; I. Routaray

Volume 8, Issue 3 , July 2017, , Pages 181-188

  In the present study the methyl ester of argemone oil, prepared by two step transesterification process due to its high acid value was experimented, in a variable compression ratio (VCR) multi-fuel engine to evaluate the combustion parameters like in cylinder pressure (Pr), net heat release rate (NHRR) ...  Read More

An Investigation on Interdependence Between Rainfall and Temperature in Ekpoma, Edo State, Nigeria

I. U. Siloko; E. A. Siloko

Volume 14, Issue 3 , July 2023, , Pages 197-204

  This paper focuses on the interdependence between rainfall and temperature and their joint effect. Rainfall and temperature are vital climatic variables for agricultural productivity and other human activities. Despite the importance of rainfall and temperature, there are difficulties associated with ...  Read More

Investigation of an Offset Finned Solar Air Heater Based on Energy and Exergy Performance

S. Rai; P. Chand; S. P. Sharma

Volume 7, Issue 3 , July 2016, , Pages 212-220

  This paper represented theoretically investigation of energy and exergy performance of an offset finned solar air heater. Parametric study was done to investigate the effect of variation of offset fin parameters i.e. fins spacing (1 to 5cm) and fins height (1.8 to 5.8cm) at different mass flow rates ...  Read More

Effect of Diesel-engine Operating Conditions on Performance of Waste Heat Recovery Cycles: A 4E Analysis

B. Alizadeh Kharkeshi; R. Shafaghat; S. Talesh Amiri; A. M. Tahan; A. Ardebilipour

Volume 15, Issue 3 , July 2024, , Pages 220-234

  In waste heat recovery from a heavy-duty diesel engine, with a focus on engine speed's impact, is explored. The critical problem of enhancing energy efficiency and reducing emissions through waste heat utilization is addressed. Waste heat in internal combustion engines, vital for sustainable energy use ...  Read More

Effects of Operating Conditions on Performance of a Spark Ignition Engine Fueled with Ethanol-Gasoline Blend

M. M. Namar; A. R. Mogharrebi; O. Jahanian

Volume 9, Issue 4 , December 2018, , Pages 227-234

  Nowadays, two main deals of researchers in different fields of industries are emissions and fuel consumption. The political turmoil of crude oil besides stricter environmental laws in the world tends researchers to find novel ways for fuel consumption and emissions reduction. Using Ethanol-Gasoline blend ...  Read More

Gas Sensing and Structural Properties of a Nano-structure MoO3-based Hydrogen Sensor

S. Farzi kahkesh; A. Fattah; M. B. Rahmani

Volume 10, Issue 4 , December 2019, , Pages 230-234

  In this research, thin films of molybdenum trioxide were deposited on a glass substrate using Doctor Blade method. Ammonium Heptamolbudate tetrahydrate (NH4)6Mo7O24 powder is considered as a precursor to this study. Growth of the samples in three main directions of (020), (040) and (060) showed the formation ...  Read More

A Framework for Dry Waste Detection Based on a Deep Convolutional Neural Network

A. Ataee; J. Kazemitabar; M. Najafi

Volume 11, Issue 4 , December 2020, , Pages 248-252

  Due to lack of proper regulations in many areas of the world, consumers are not mandated to waste sorting at the origin of the source. Moreover, human sorting often suffers from human errors and low accuracy. In the intelligent detection system, it is attempted to break down a variety of household wastes ...  Read More

Leachate Characterisation and Heavy Metal Removal by Clay-Pressmud Batch Equilirium Study

H. Ahmad; N. I. Abd Ghalib; F. M. Shamshudin; N. Ismail

Volume 8, Issue 4 , October 2017, , Pages 249-254

  Leachate contents from the landfill that infiltrate the liner may contaminate nearby groundwater and river. Hence, the liner material must be chosen properly so that pollutants can be retained as much as possible at the liner thus reducing the contamination risk. This study studied the characteristics ...  Read More

A Review on Comparison of Some Edible, Inedible and Waste Oil Sources with Algae for Biodiesel Production

K. Ganesh Babu; A. Veeresh Babu; K. Madhu Murthy

Volume 7, Issue 4 , October 2016, , Pages 315-324

  The present biggest challenging task in front of the world is to search new energy source. Apart from the all energy sources, biodiesel was the only dominant alternate energy to accomplish the fossil-fuel demand in the transport sector which consist a diesel engine. Biodiesel production from edible, ...  Read More