Photovoltaic (PV) thermal systems are a good efficiency enhancement solution as they enhance the electrical efficiency of PV panels and produce thermal energy. A recent technique that causes homogeneity in the PV cell temperature and provides energy storage is the use of phase change materials. However, some types of inexpensive phase change materials available in the market, such as paraffin, have low thermal conductivity in the solid phase. This paper introduces a solution for this problem using porous metallic media (PMM) integrated with the PCM system with active cooling. This investigation was experimentally conducted using three flow rates (0.2, 0.3, and 0.4 LPM) of water as a heat transfer fluid. The comparative analysis showed that for all flow rates, the PMM-PCM system achieved a higher efficiency than that with only the PCMs. The maximum electrical efficiency reached was 23% with the flow rate of 0.4 LPM, providing the best cooling for the PV panels within the system. Regarding the thermal efficiency, the flow rate of 0.3 LPM was found to achieve a maximum thermal efficiency of 74% in the PMM-PCM system. Moreover, an optimum overall efficiency of 95% in the system was achieved at 0.3 LPM. ? 2021 Elsevier Ltd. All rights reserved.
机构:
King Fahd Univ Petr & Minerals, Mech Engn Dept, Dhahran, Saudi Arabia
Ain Shams Univ, Mech Power Engn Dept, Cairo, EgyptKing Fahd Univ Petr & Minerals, Mech Engn Dept, Dhahran, Saudi Arabia
Abdelrazik, A. S.
;
Saidur, R.
论文数: 0引用数: 0
h-index: 0
机构:
King Fahd Univ Petr & Minerals, Ctr Res Excellence Renewable Energy CoRERE, Dhahran, Saudi Arabia
Sunway Univ, Res Ctr Nanomat & Energy Technol RCNMET, Sch Sci & Technol, Petaling Jaya, Selangor, MalaysiaKing Fahd Univ Petr & Minerals, Mech Engn Dept, Dhahran, Saudi Arabia
Saidur, R.
;
Al-Sulaiman, F. A.
论文数: 0引用数: 0
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机构:
King Fahd Univ Petr & Minerals, Mech Engn Dept, Dhahran, Saudi Arabia
King Fahd Univ Petr & Minerals, Ctr Res Excellence Renewable Energy CoRERE, Dhahran, Saudi ArabiaKing Fahd Univ Petr & Minerals, Mech Engn Dept, Dhahran, Saudi Arabia
机构:
Univ Teknol Malaysia, Fac Engn, Sch Mech Engn, Johor Baharu 81310, Malaysia
Univ Technol Baghdad, Electromech Engn Dept, Baghdad 10066, IraqUniv Teknol Malaysia, Fac Engn, Sch Mech Engn, Johor Baharu 81310, Malaysia
Abdulmunem, Abdulmunem R.
;
Samin, Pakharuddin Mohd
论文数: 0引用数: 0
h-index: 0
机构:
Univ Teknol Malaysia, Fac Engn, Sch Mech Engn, Johor Baharu 81310, MalaysiaUniv Teknol Malaysia, Fac Engn, Sch Mech Engn, Johor Baharu 81310, Malaysia
Samin, Pakharuddin Mohd
;
Rahman, Hasimah Abdul
论文数: 0引用数: 0
h-index: 0
机构:
Univ Teknol Malaysia, Fac Engn, Ctr Elect Energy Syst, Sch Elect Engn, Johor Baharu 81310, MalaysiaUniv Teknol Malaysia, Fac Engn, Sch Mech Engn, Johor Baharu 81310, Malaysia
Rahman, Hasimah Abdul
;
Hussien, Hashim A.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Technol Baghdad, Electromech Engn Dept, Baghdad 10066, IraqUniv Teknol Malaysia, Fac Engn, Sch Mech Engn, Johor Baharu 81310, Malaysia
Hussien, Hashim A.
;
Mazali, Izhari Izmi
论文数: 0引用数: 0
h-index: 0
机构:
Univ Teknol Malaysia, Fac Engn, Sch Mech Engn, Johor Baharu 81310, MalaysiaUniv Teknol Malaysia, Fac Engn, Sch Mech Engn, Johor Baharu 81310, Malaysia
机构:
Univ Kebangsaan Malaysia, Solar Energy Res Inst, Bangi 43600, Selangor, MalaysiaUniv Kebangsaan Malaysia, Solar Energy Res Inst, Bangi 43600, Selangor, Malaysia
Al-Waeli, Ali H. A.
;
Sopian, K.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Kebangsaan Malaysia, Solar Energy Res Inst, Bangi 43600, Selangor, MalaysiaUniv Kebangsaan Malaysia, Solar Energy Res Inst, Bangi 43600, Selangor, Malaysia
Sopian, K.
;
Chaichan, Miqdam T.
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h-index: 0
机构:
Energy & Renewable Energies Technol Res Ctr, Baghdad, IraqUniv Kebangsaan Malaysia, Solar Energy Res Inst, Bangi 43600, Selangor, Malaysia
Chaichan, Miqdam T.
;
Kazem, Hussein A.
论文数: 0引用数: 0
h-index: 0
机构:
Sohar Univ, Fac Engn, POB 44, Sohar 311, OmanUniv Kebangsaan Malaysia, Solar Energy Res Inst, Bangi 43600, Selangor, Malaysia
Kazem, Hussein A.
;
Ibrahim, Adnan
论文数: 0引用数: 0
h-index: 0
机构:
Univ Kebangsaan Malaysia, Solar Energy Res Inst, Bangi 43600, Selangor, MalaysiaUniv Kebangsaan Malaysia, Solar Energy Res Inst, Bangi 43600, Selangor, Malaysia
Ibrahim, Adnan
;
Mat, Sohif
论文数: 0引用数: 0
h-index: 0
机构:
Univ Kebangsaan Malaysia, Solar Energy Res Inst, Bangi 43600, Selangor, MalaysiaUniv Kebangsaan Malaysia, Solar Energy Res Inst, Bangi 43600, Selangor, Malaysia
Mat, Sohif
;
Ruslan, Mohd Hafidz
论文数: 0引用数: 0
h-index: 0
机构:
Univ Kebangsaan Malaysia, Solar Energy Res Inst, Bangi 43600, Selangor, MalaysiaUniv Kebangsaan Malaysia, Solar Energy Res Inst, Bangi 43600, Selangor, Malaysia
机构:
Kangwon Natl Univ, Dept Biosyst Engn, Chunchon 200701, South Korea
Washington State Univ, Dept Biol Syst Engn, Pullman, WA 99164 USAKangwon Natl Univ, Dept Biosyst Engn, Chunchon 200701, South Korea
Bhattarai, Sujala
;
Kafle, G. P. Krishna
论文数: 0引用数: 0
h-index: 0
机构:
Univ Idaho, Dept Biol & Agr Engn, Moscow, ID 83843 USA
Univ Idaho, Twin Falls Res & Extens Ctr, Twin Falls, ID USAKangwon Natl Univ, Dept Biosyst Engn, Chunchon 200701, South Korea
Kafle, G. P. Krishna
;
Euh, Seung-Hee
论文数: 0引用数: 0
h-index: 0
机构:
Kangwon Natl Univ, Dept Biosyst Engn, Chunchon 200701, South KoreaKangwon Natl Univ, Dept Biosyst Engn, Chunchon 200701, South Korea
Euh, Seung-Hee
;
Oh, Jae-Heun
论文数: 0引用数: 0
h-index: 0
机构:
Korea Forest Res Inst, Forest Practice Res Ctr, Pocheon Si 487821, Gyeonggi Do, South KoreaKangwon Natl Univ, Dept Biosyst Engn, Chunchon 200701, South Korea
Oh, Jae-Heun
;
Kim, Dae Hyun
论文数: 0引用数: 0
h-index: 0
机构:
Kangwon Natl Univ, Dept Biosyst Engn, Chunchon 200701, South KoreaKangwon Natl Univ, Dept Biosyst Engn, Chunchon 200701, South Korea
机构:
Univ Malaya, UM Power Energy Dedicated Adv Ctr UMPEDAC, Wisma R&D, Level 4, Kuala Lumpur 59990, Malaysia
Univ Malaya, Inst Adv Studies, Kuala Lumpur 50603, MalaysiaUniv Malaya, UM Power Energy Dedicated Adv Ctr UMPEDAC, Wisma R&D, Level 4, Kuala Lumpur 59990, Malaysia
Fayaz, H.
;
Rahim, N. A.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Malaya, UM Power Energy Dedicated Adv Ctr UMPEDAC, Wisma R&D, Level 4, Kuala Lumpur 59990, Malaysia
King Abdulaziz Univ, Renewable Energy Res Grp, Jeddah 21589, Saudi ArabiaUniv Malaya, UM Power Energy Dedicated Adv Ctr UMPEDAC, Wisma R&D, Level 4, Kuala Lumpur 59990, Malaysia
Rahim, N. A.
;
Hasanuzzaman, M.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Malaya, UM Power Energy Dedicated Adv Ctr UMPEDAC, Wisma R&D, Level 4, Kuala Lumpur 59990, Malaysia
Univ Malaya, Inst Adv Studies, Kuala Lumpur 50603, MalaysiaUniv Malaya, UM Power Energy Dedicated Adv Ctr UMPEDAC, Wisma R&D, Level 4, Kuala Lumpur 59990, Malaysia
Hasanuzzaman, M.
;
Rivai, A.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Malaya, UM Power Energy Dedicated Adv Ctr UMPEDAC, Wisma R&D, Level 4, Kuala Lumpur 59990, MalaysiaUniv Malaya, UM Power Energy Dedicated Adv Ctr UMPEDAC, Wisma R&D, Level 4, Kuala Lumpur 59990, Malaysia
Rivai, A.
;
Nasrin, R.
论文数: 0引用数: 0
h-index: 0
机构:
Bangladesh Univ Engn & Technol, Dept Math, Dhaka 1000, BangladeshUniv Malaya, UM Power Energy Dedicated Adv Ctr UMPEDAC, Wisma R&D, Level 4, Kuala Lumpur 59990, Malaysia
机构:
Univ Malaya, Wisma R&D, UM Power Energy Dedicated Adv Ctr, Level 4,Jalan Pantai Murni, Kuala Lumpur 59990, MalaysiaUniv Malaya, Wisma R&D, UM Power Energy Dedicated Adv Ctr, Level 4,Jalan Pantai Murni, Kuala Lumpur 59990, Malaysia
Hossain, M. S.
;
Pandey, A. K.
论文数: 0引用数: 0
h-index: 0
机构:
Sunway Univ, Sch Sci & Technol, Res Ctr Nanomat & Energy Technol RCNMET, 5 Jalan Univ, Petaling Jaya 47500, Selangor Darul, MalaysiaUniv Malaya, Wisma R&D, UM Power Energy Dedicated Adv Ctr, Level 4,Jalan Pantai Murni, Kuala Lumpur 59990, Malaysia
Pandey, A. K.
;
Selvaraj, Jeyraj
论文数: 0引用数: 0
h-index: 0
机构:
Univ Malaya, Wisma R&D, UM Power Energy Dedicated Adv Ctr, Level 4,Jalan Pantai Murni, Kuala Lumpur 59990, MalaysiaUniv Malaya, Wisma R&D, UM Power Energy Dedicated Adv Ctr, Level 4,Jalan Pantai Murni, Kuala Lumpur 59990, Malaysia
Selvaraj, Jeyraj
;
Abd Rahim, Nasrudin
论文数: 0引用数: 0
h-index: 0
机构:
Univ Malaya, Wisma R&D, UM Power Energy Dedicated Adv Ctr, Level 4,Jalan Pantai Murni, Kuala Lumpur 59990, Malaysia
King Abdulaziz Univ, Renewable Energy Res Grp, Jeddah 21589, Saudi ArabiaUniv Malaya, Wisma R&D, UM Power Energy Dedicated Adv Ctr, Level 4,Jalan Pantai Murni, Kuala Lumpur 59990, Malaysia
Abd Rahim, Nasrudin
;
Islam, M. M.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Malaya, Wisma R&D, UM Power Energy Dedicated Adv Ctr, Level 4,Jalan Pantai Murni, Kuala Lumpur 59990, MalaysiaUniv Malaya, Wisma R&D, UM Power Energy Dedicated Adv Ctr, Level 4,Jalan Pantai Murni, Kuala Lumpur 59990, Malaysia
Islam, M. M.
;
Tyagi, V. V.
论文数: 0引用数: 0
h-index: 0
机构:
Shri Mata Vaishno Devi Univ, Sch Energy Management, Katra 182320, IndiaUniv Malaya, Wisma R&D, UM Power Energy Dedicated Adv Ctr, Level 4,Jalan Pantai Murni, Kuala Lumpur 59990, Malaysia
机构:
King Fahd Univ Petr & Minerals, Mech Engn Dept, Dhahran, Saudi Arabia
Ain Shams Univ, Mech Power Engn Dept, Cairo, EgyptKing Fahd Univ Petr & Minerals, Mech Engn Dept, Dhahran, Saudi Arabia
Abdelrazik, A. S.
;
Saidur, R.
论文数: 0引用数: 0
h-index: 0
机构:
King Fahd Univ Petr & Minerals, Ctr Res Excellence Renewable Energy CoRERE, Dhahran, Saudi Arabia
Sunway Univ, Res Ctr Nanomat & Energy Technol RCNMET, Sch Sci & Technol, Petaling Jaya, Selangor, MalaysiaKing Fahd Univ Petr & Minerals, Mech Engn Dept, Dhahran, Saudi Arabia
Saidur, R.
;
Al-Sulaiman, F. A.
论文数: 0引用数: 0
h-index: 0
机构:
King Fahd Univ Petr & Minerals, Mech Engn Dept, Dhahran, Saudi Arabia
King Fahd Univ Petr & Minerals, Ctr Res Excellence Renewable Energy CoRERE, Dhahran, Saudi ArabiaKing Fahd Univ Petr & Minerals, Mech Engn Dept, Dhahran, Saudi Arabia
机构:
Univ Teknol Malaysia, Fac Engn, Sch Mech Engn, Johor Baharu 81310, Malaysia
Univ Technol Baghdad, Electromech Engn Dept, Baghdad 10066, IraqUniv Teknol Malaysia, Fac Engn, Sch Mech Engn, Johor Baharu 81310, Malaysia
Abdulmunem, Abdulmunem R.
;
Samin, Pakharuddin Mohd
论文数: 0引用数: 0
h-index: 0
机构:
Univ Teknol Malaysia, Fac Engn, Sch Mech Engn, Johor Baharu 81310, MalaysiaUniv Teknol Malaysia, Fac Engn, Sch Mech Engn, Johor Baharu 81310, Malaysia
Samin, Pakharuddin Mohd
;
Rahman, Hasimah Abdul
论文数: 0引用数: 0
h-index: 0
机构:
Univ Teknol Malaysia, Fac Engn, Ctr Elect Energy Syst, Sch Elect Engn, Johor Baharu 81310, MalaysiaUniv Teknol Malaysia, Fac Engn, Sch Mech Engn, Johor Baharu 81310, Malaysia
Rahman, Hasimah Abdul
;
Hussien, Hashim A.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Technol Baghdad, Electromech Engn Dept, Baghdad 10066, IraqUniv Teknol Malaysia, Fac Engn, Sch Mech Engn, Johor Baharu 81310, Malaysia
Hussien, Hashim A.
;
Mazali, Izhari Izmi
论文数: 0引用数: 0
h-index: 0
机构:
Univ Teknol Malaysia, Fac Engn, Sch Mech Engn, Johor Baharu 81310, MalaysiaUniv Teknol Malaysia, Fac Engn, Sch Mech Engn, Johor Baharu 81310, Malaysia
机构:
Univ Kebangsaan Malaysia, Solar Energy Res Inst, Bangi 43600, Selangor, MalaysiaUniv Kebangsaan Malaysia, Solar Energy Res Inst, Bangi 43600, Selangor, Malaysia
Al-Waeli, Ali H. A.
;
Sopian, K.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Kebangsaan Malaysia, Solar Energy Res Inst, Bangi 43600, Selangor, MalaysiaUniv Kebangsaan Malaysia, Solar Energy Res Inst, Bangi 43600, Selangor, Malaysia
Sopian, K.
;
Chaichan, Miqdam T.
论文数: 0引用数: 0
h-index: 0
机构:
Energy & Renewable Energies Technol Res Ctr, Baghdad, IraqUniv Kebangsaan Malaysia, Solar Energy Res Inst, Bangi 43600, Selangor, Malaysia
Chaichan, Miqdam T.
;
Kazem, Hussein A.
论文数: 0引用数: 0
h-index: 0
机构:
Sohar Univ, Fac Engn, POB 44, Sohar 311, OmanUniv Kebangsaan Malaysia, Solar Energy Res Inst, Bangi 43600, Selangor, Malaysia
Kazem, Hussein A.
;
Ibrahim, Adnan
论文数: 0引用数: 0
h-index: 0
机构:
Univ Kebangsaan Malaysia, Solar Energy Res Inst, Bangi 43600, Selangor, MalaysiaUniv Kebangsaan Malaysia, Solar Energy Res Inst, Bangi 43600, Selangor, Malaysia
Ibrahim, Adnan
;
Mat, Sohif
论文数: 0引用数: 0
h-index: 0
机构:
Univ Kebangsaan Malaysia, Solar Energy Res Inst, Bangi 43600, Selangor, MalaysiaUniv Kebangsaan Malaysia, Solar Energy Res Inst, Bangi 43600, Selangor, Malaysia
Mat, Sohif
;
Ruslan, Mohd Hafidz
论文数: 0引用数: 0
h-index: 0
机构:
Univ Kebangsaan Malaysia, Solar Energy Res Inst, Bangi 43600, Selangor, MalaysiaUniv Kebangsaan Malaysia, Solar Energy Res Inst, Bangi 43600, Selangor, Malaysia
机构:
Kangwon Natl Univ, Dept Biosyst Engn, Chunchon 200701, South Korea
Washington State Univ, Dept Biol Syst Engn, Pullman, WA 99164 USAKangwon Natl Univ, Dept Biosyst Engn, Chunchon 200701, South Korea
Bhattarai, Sujala
;
Kafle, G. P. Krishna
论文数: 0引用数: 0
h-index: 0
机构:
Univ Idaho, Dept Biol & Agr Engn, Moscow, ID 83843 USA
Univ Idaho, Twin Falls Res & Extens Ctr, Twin Falls, ID USAKangwon Natl Univ, Dept Biosyst Engn, Chunchon 200701, South Korea
Kafle, G. P. Krishna
;
Euh, Seung-Hee
论文数: 0引用数: 0
h-index: 0
机构:
Kangwon Natl Univ, Dept Biosyst Engn, Chunchon 200701, South KoreaKangwon Natl Univ, Dept Biosyst Engn, Chunchon 200701, South Korea
Euh, Seung-Hee
;
Oh, Jae-Heun
论文数: 0引用数: 0
h-index: 0
机构:
Korea Forest Res Inst, Forest Practice Res Ctr, Pocheon Si 487821, Gyeonggi Do, South KoreaKangwon Natl Univ, Dept Biosyst Engn, Chunchon 200701, South Korea
Oh, Jae-Heun
;
Kim, Dae Hyun
论文数: 0引用数: 0
h-index: 0
机构:
Kangwon Natl Univ, Dept Biosyst Engn, Chunchon 200701, South KoreaKangwon Natl Univ, Dept Biosyst Engn, Chunchon 200701, South Korea
机构:
Univ Malaya, UM Power Energy Dedicated Adv Ctr UMPEDAC, Wisma R&D, Level 4, Kuala Lumpur 59990, Malaysia
Univ Malaya, Inst Adv Studies, Kuala Lumpur 50603, MalaysiaUniv Malaya, UM Power Energy Dedicated Adv Ctr UMPEDAC, Wisma R&D, Level 4, Kuala Lumpur 59990, Malaysia
Fayaz, H.
;
Rahim, N. A.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Malaya, UM Power Energy Dedicated Adv Ctr UMPEDAC, Wisma R&D, Level 4, Kuala Lumpur 59990, Malaysia
King Abdulaziz Univ, Renewable Energy Res Grp, Jeddah 21589, Saudi ArabiaUniv Malaya, UM Power Energy Dedicated Adv Ctr UMPEDAC, Wisma R&D, Level 4, Kuala Lumpur 59990, Malaysia
Rahim, N. A.
;
Hasanuzzaman, M.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Malaya, UM Power Energy Dedicated Adv Ctr UMPEDAC, Wisma R&D, Level 4, Kuala Lumpur 59990, Malaysia
Univ Malaya, Inst Adv Studies, Kuala Lumpur 50603, MalaysiaUniv Malaya, UM Power Energy Dedicated Adv Ctr UMPEDAC, Wisma R&D, Level 4, Kuala Lumpur 59990, Malaysia
Hasanuzzaman, M.
;
Rivai, A.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Malaya, UM Power Energy Dedicated Adv Ctr UMPEDAC, Wisma R&D, Level 4, Kuala Lumpur 59990, MalaysiaUniv Malaya, UM Power Energy Dedicated Adv Ctr UMPEDAC, Wisma R&D, Level 4, Kuala Lumpur 59990, Malaysia
Rivai, A.
;
Nasrin, R.
论文数: 0引用数: 0
h-index: 0
机构:
Bangladesh Univ Engn & Technol, Dept Math, Dhaka 1000, BangladeshUniv Malaya, UM Power Energy Dedicated Adv Ctr UMPEDAC, Wisma R&D, Level 4, Kuala Lumpur 59990, Malaysia
机构:
Univ Malaya, Wisma R&D, UM Power Energy Dedicated Adv Ctr, Level 4,Jalan Pantai Murni, Kuala Lumpur 59990, MalaysiaUniv Malaya, Wisma R&D, UM Power Energy Dedicated Adv Ctr, Level 4,Jalan Pantai Murni, Kuala Lumpur 59990, Malaysia
Hossain, M. S.
;
Pandey, A. K.
论文数: 0引用数: 0
h-index: 0
机构:
Sunway Univ, Sch Sci & Technol, Res Ctr Nanomat & Energy Technol RCNMET, 5 Jalan Univ, Petaling Jaya 47500, Selangor Darul, MalaysiaUniv Malaya, Wisma R&D, UM Power Energy Dedicated Adv Ctr, Level 4,Jalan Pantai Murni, Kuala Lumpur 59990, Malaysia
Pandey, A. K.
;
Selvaraj, Jeyraj
论文数: 0引用数: 0
h-index: 0
机构:
Univ Malaya, Wisma R&D, UM Power Energy Dedicated Adv Ctr, Level 4,Jalan Pantai Murni, Kuala Lumpur 59990, MalaysiaUniv Malaya, Wisma R&D, UM Power Energy Dedicated Adv Ctr, Level 4,Jalan Pantai Murni, Kuala Lumpur 59990, Malaysia
Selvaraj, Jeyraj
;
Abd Rahim, Nasrudin
论文数: 0引用数: 0
h-index: 0
机构:
Univ Malaya, Wisma R&D, UM Power Energy Dedicated Adv Ctr, Level 4,Jalan Pantai Murni, Kuala Lumpur 59990, Malaysia
King Abdulaziz Univ, Renewable Energy Res Grp, Jeddah 21589, Saudi ArabiaUniv Malaya, Wisma R&D, UM Power Energy Dedicated Adv Ctr, Level 4,Jalan Pantai Murni, Kuala Lumpur 59990, Malaysia
Abd Rahim, Nasrudin
;
Islam, M. M.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Malaya, Wisma R&D, UM Power Energy Dedicated Adv Ctr, Level 4,Jalan Pantai Murni, Kuala Lumpur 59990, MalaysiaUniv Malaya, Wisma R&D, UM Power Energy Dedicated Adv Ctr, Level 4,Jalan Pantai Murni, Kuala Lumpur 59990, Malaysia
Islam, M. M.
;
Tyagi, V. V.
论文数: 0引用数: 0
h-index: 0
机构:
Shri Mata Vaishno Devi Univ, Sch Energy Management, Katra 182320, IndiaUniv Malaya, Wisma R&D, UM Power Energy Dedicated Adv Ctr, Level 4,Jalan Pantai Murni, Kuala Lumpur 59990, Malaysia