Original Article
1. Design of Solar-powered Endurance Glider with Vortex Generators

Sh. Sham Dol; S. Shahid Pervaiz; M. Uzair; Sh. Khalid Bashir; M. Mustafa Elzughbi

Volume 2, Issue 1 , Winter and Spring 2021, Pages 1-8

http://dx.doi.org/10.22044/rera.2020.9778.1037

Abstract
  The research aims at designing a solar endurance glider for an increased flight time. The constraints for design include reduction in weight compared to a typical glider and improving its aerodynamic performance by application of vortex generators on its wingspan. The design of each component was performed ...  Read More

Original Article
2. Energy, Exergy, and Economic Analyses and Optimization of Solar Organic Rankine Cycle with Multi-objective Particle Swarm Algorithm

A. Beiranvand; M.A. Ehyaei; A. Ahmadi; Jose Luz Silvaria

Volume 2, Issue 1 , Winter and Spring 2021, Pages 9-23

http://dx.doi.org/10.22044/rera.2020.9998.1038

Abstract
  The high potential of solar energy in Iran, as well as the problem of air pollution, makes it increasingly inevitable that solar energy is used. In this study, the solar-powered Organic Rankine cycle (ORC) has been investigated. The solar-type collector is a flat plate collector. The energy, exergy, ...  Read More

Review Paper
3. Potential, Current Status, and Applications of Renewable Energy in Energy Sector of Iran: A Review

Pourkiaei S. Mohsen; F. Pourfayaz; R. Shirmohamadi; S. Moosavi; N. Khalilpoor

Volume 2, Issue 1 , Winter and Spring 2021, Pages 25-49

http://dx.doi.org/10.22044/rera.2020.8841.1008

Abstract
  During the last decade, serious issues such as energy demand, depletion of fossil fuels and their environmental impacts draw attention towards renewable energy sources. In addition, the energy supply chain of Iran is deeply reliant upon fossil fuels. Further obstacles such as electricity blackouts in ...  Read More

Original Article
4. Exploration of Biomass for the Production of Bioethanol: “A Process Modelling and Simulation Study”

T. Oyegoke; M.Y. Sardauna; H.A. Abubakar; E. Obadiah

Volume 2, Issue 1 , Winter and Spring 2021, Pages 51-69

http://dx.doi.org/10.22044/rera.2020.10287.1042

Abstract
  Bio-ethanol is a clean and renewable fuel that is significantly gaining attention, mainly via its major environmental benefits produced from diverse resources. The campaign for the establishment of biorefineries and encouragement of fossil fuels is gradually gaining greater attention. This research seeks ...  Read More

Original Article
5. Identifying Chaotic Behavior in Non-linear Vibration Energy Harvesting Systems

M. Mohammadpour; Seyed M. M. Modarres-Gheisari; P. Safarpour; R. Gavagsaz-Ghoachani; M. Zandi

Volume 2, Issue 1 , Winter and Spring 2021, Pages 71-80

http://dx.doi.org/10.22044/rera.2020.10240.1041

Abstract
  Large amplitude inter-well oscillations in bi-stable energy harvesters made them a proper energy harvesting choice due to high energy generation. However, the co-existence of the chaotic attractor in these harvesters could essentially decrease their efficiency. In this paper, an algorithm for detecting ...  Read More

Original Article
6. Potentiometry and Prioritizing of Renewable Energies Exploitation Case Study in Ardabil Province of Iran

S.Ollah Mohammadi-Aylar; M. Almassi; H. Bakhoda

Volume 2, Issue 1 , Winter and Spring 2021, Pages 81-90

http://dx.doi.org/10.22044/rera.2020.10184.1039

Abstract
  Due to the needs of modern societies to provide their energy fully or partially from the renewable energy sources and its necessity as a main principle of sustainable development, its necessary to assess and evaluate renewable energy and its integrating for utilizing a part of consumed energy for societies ...  Read More

Technical Note
7. Utilization of Kitchen Waste-to-Energy: A Conceptual Note

Ravinder Kumar; Anand K. Bewoor; R. Alayi

Volume 2, Issue 1 , Winter and Spring 2021, Pages 91-99

http://dx.doi.org/10.22044/rera.2021.10367.1044

Abstract
  India’s rapid economic growth and change in lifestyle have increased the level of municipal solid waste (MSW) generation in the country. Metropolitan cities in India are contributing a major portion (in lakhs metric tons per day) of MSW. It is only due to the lack of availability of poor infrastructure ...  Read More

Original Article
8. Introducing an Optimal Model and Dimensions of Lightweight Membrane Canopy for Hot and Dry Climate of City of Semnan in Iran

S. Jafarian; E. Sarkardehee; D. Monsefi Parapari; M.R. Mojahedi

Volume 2, Issue 1 , Winter and Spring 2021, Pages 101-110

http://dx.doi.org/10.22044/rera.2021.10512.1048

Abstract
  In urban open spaces, especially in large cities with warm climates, users are experiencing high thermal loads, which causes thermal discomfort. Thermal comfort in open spaces can be improved; by shading. The problem is shading and protecting open spaces from stresses caused by overheating of the earth's ...  Read More

Original Article
9. Investigation of Afghanistan's Biogas Potential from Animal Waste

W. Rahimy; Gh. J. Laame; E. Acikkalp; S. Yerel Kandemir

Volume 2, Issue 1 , Winter and Spring 2021, Pages 111-116

http://dx.doi.org/10.22044/rera.2021.10571.1049

Abstract
  Due to the increasing population growth and energy need, interest in renewable energy sources has increased in recent years. Biogas is one of the sustainable energy resources in the world. In cattle, ovine, and poultry farming, a large amount of fertilizer is produced in Afghanistan. These wastes are ...  Read More

Review Paper
10. Use of Solar Chimney in Renewable Energy Applications–A Review

H. Alm ElDin Mohamad; E. Medhat; ElSamadony M.; R. Mohamed; M. Muthu

Volume 2, Issue 1 , Winter and Spring 2021, Pages 117-128

http://dx.doi.org/10.22044/rera.2021.10411.1045

Abstract
  Due to traditional energy resources problems, scientists looked for a new concept to face these problems. The Solar chimney is one of the promising concepts in renewable energy technology that needs performance enhancement, the proposed study aims at assessing the remarkable advances in the understanding ...  Read More

Original Article
11. Assessment of Greenhouse Heating/Cooling via Heat Pump for Herat-Afghanistan

G. Jafar Laame; W. Rahimy; S. Yerel Kandemir; E. Acikkalp

Volume 2, Issue 1 , Winter and Spring 2021, Pages 129-135

http://dx.doi.org/10.22044/rera.2021.10573.1050

Abstract
  Energy is an essential need for living, and renewable energy sources are increasingly popular sustainable energy sources. Solar energy is an inexhaustible and clean, sustainable energy source in the world. In this study, heating of a greenhouse in Herat (Afghanistan) with a heat pump using solar energy ...  Read More

Original Article
12. Two-level DPC strategy based on FNN algorithm of DFIG-DRWT systems using two-level hysteresis controllers for reactive and active powers

H. Benbouhenni

Volume 2, Issue 1 , Winter and Spring 2021, Pages 137-146

http://dx.doi.org/10.22044/rera.2021.10694.1053

Abstract
  In this paper, a novel switching table (ST) of the twelve sectors direct power command (DPC) strategy of doubly-fed induction generator (DFIG) based dual rotor wind power (DRWP) is proposed using two-level hysteresis controllers for reactive and active power and feedforward neural networks (FNNs) algorithms. ...  Read More