ORCID Profile
0000-0003-4366-6198
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Publisher: Elsevier BV
Date: 09-2022
Publisher: Global Vision Press
Date: 30-09-2015
Publisher: Elsevier BV
Date: 02-2021
Publisher: Springer Singapore
Date: 28-12-2016
Publisher: American Society of Mechanical Engineers
Date: 17-06-2020
DOI: 10.1115/ES2020-1649
Abstract: In this paper, the effect of solar resource variability has been assessed on the start-up time and different heat transfer phenomena associated with a high temperature particle receiver. The receiver analyzed in this study has a cylindrical cavity made of three different layers in order to have good absorption, higher durability and lower thermal heat losses. A detailed transient mathematical model is developed, considering the input solar energy to the receiver aperture and all heat losses from the receiver cavity. The developed transient model is employed to study the time required to achieve a receiver start-up temperature from room temperature to 1000°C, under steady-state and transient operation, for the climatic conditions of Pinjarra, Australia. Furthermore, the total energy gain by the receiver and associated heat losses including re-radiation, convection, and conduction have been accounted for, with and without considering the solar resource variability. The results revealed that an uncertainty of about 40% exists in the prediction of the receiver start-up time and associated heat losses during the start-up period under steady state operation, with a constant input heat flux. This uncertainty in the prediction of the receiver start-up time and losses will directly affect the overall performance and design of the receiver, which will result in unscheduled disruption of the industrial process. This indicates a need to analyse the performance of high temperature particle receivers under transient conditions, considering the solar resource variability for practical implementation of this technology to different processes. This will help to investigate better control strategies for the inflow of particles, based on the real-time climatic conditions, to achieve better thermal performance.
Publisher: Elsevier BV
Date: 11-2018
Publisher: MDPI AG
Date: 23-06-2020
DOI: 10.3390/ASI3020026
Abstract: The reduction of carbon dioxide emissions has become a need of the day to overcome different environmental issues and challenges. The use of alternative and renewable-based technologies is one of the options to achieve the target of sustainable development through the reduction of these harmful emissions. Among different technologies thermally activated cooling systems are one which can reduce the harmful emissions caused by conventional heating, ventilation, and air conditioning technology. Thermal cooling systems utilize different porous materials and work on a reversible adsorption/desorption cycle. Different advancements have been made for this technology but still a lot of work should be done to replace conventional systems with this newly developed technology. High adsorption capacity and lower input heat are two major requirements for efficient thermally driven cooling technologies. In this regard, it is a need of the day to develop novel adsorbents with high sorption capacity and low regeneration temperature. Due to tunable topologies and a highly porous nature, the hybrid porous crystalline materials known as metal–organic frameworks (MOFs) are a great inspiration for thermally driven adsorption-based cooling applications. Keeping all the above-mentioned aspects in mind, this paper presents a comprehensive overview of the potential use of MOFs as adsorbent material for adsorption and desiccant cooling technologies. A detailed overview of MOFs, their structure, and their stability are presented. This review will be helpful for the research community to have updated research progress in MOFs and their potential use for adsorption-based cooling systems.
Publisher: Elsevier BV
Date: 05-2015
Publisher: Elsevier BV
Date: 04-2020
Publisher: IEEE
Date: 09-2019
Publisher: Springer Singapore
Date: 28-12-2016
Publisher: Wiley
Date: 15-11-2017
DOI: 10.1002/EP.12788
Publisher: Informa UK Limited
Date: 16-10-2019
Publisher: Elsevier BV
Date: 03-2017
Publisher: MDPI AG
Date: 27-02-2018
DOI: 10.3390/EN11030506
Publisher: Springer International Publishing
Date: 2020
Publisher: MDPI AG
Date: 21-01-2020
DOI: 10.3390/EN13030524
Abstract: This paper presents a comprehensive overview of the potential and feasibility of using solar thermal cooling systems in the Kingdom of Saudi Arabia (KSA). The performance of a desiccant cooling system has been determined based on climatic data of 32 cities spread all over the territory of the country. The investigation has been carried out keeping in view the high energy consumption for cooling applications in the country. The analysis has been done using the overall performance of the system, sensible energy ratio, and cooling and regeneration loads. The main objective of this study is to encourage the implementation of solar thermal cooling systems in the country for the development of sustainable buildings. The economic analysis shows that thermal cooling technology can reduce the cost of cooling units, remarkably. Furthermore, the utilization of the proposed system will decrease the dependence on primary energy resources. The saving factor of the proposed system with 1 ton capacity in comparison to the conventional vapor compression unit is found to be 34.6%. The present study also recommends that the government subsidies and incentives can further improve the development and utilization of solar air conditioning technology in developing countries.
Publisher: InTech
Date: 13-06-2018
Publisher: Elsevier
Date: 2017
Publisher: Elsevier BV
Date: 2019
Publisher: Desalination Publications
Date: 2017
Publisher: MDPI AG
Date: 17-08-2018
DOI: 10.3390/EN11082147
Abstract: Wind power is the world’s fastest-growing energy source. More power can be generated from wind energy through the use of new wind machine designs and techniques. The objective of the present work is to encourage people and governments to develop wind energy-based power plants to achieve sustainable energy infrastructures, especially in developing countries. In this paper, a feasibility study of a 100 MW grid-connected wind farm is conducted for five different cities of Saudi Arabia (KSA). The results indicate that the proposed power plant is feasible both technically and economically. All sites are found to be within the profitable range with Dhahran being the most feasible site among the others for the installation of the wind farm. A sensitivity analysis has also been carried out to find out the effects of different incentives on the payback period of the project.
Publisher: International Solar Energy Society
Date: 2021
Publisher: MDPI AG
Date: 27-01-2016
DOI: 10.3390/EN9020075
Publisher: Academic Star Publishing Company
Date: 03-2016
Publisher: Wiley
Date: 04-04-2016
DOI: 10.1002/EP.12358
Publisher: Elsevier BV
Date: 08-2018
Publisher: MDPI AG
Date: 29-12-2017
DOI: 10.3390/EN11010072
Publisher: EJournal Publishing
Date: 2015
Publisher: MDPI AG
Date: 21-04-2001
DOI: 10.3390/EN9040305
Publisher: ASME International
Date: 16-07-2021
DOI: 10.1115/1.0001360V
Publisher: Springer Science and Business Media LLC
Date: 09-2019
Publisher: Springer Science and Business Media LLC
Date: 08-2020
Publisher: Elsevier BV
Date: 04-2016
Location: Saudi Arabia
No related grants have been discovered for Muhammad Mujahid Rafique.