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Energy Conversion and Management
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7.18
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13419
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#1Mark Kipngetich Kiptoo (University of the Ryukyus)H-Index: 1
#2Mohammed Elsayed Lotfy (University of the Ryukyus)H-Index: 5
Last. Tomonobu Senjyu (University of the Ryukyus)H-Index: 53
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Abstract To realize an efficient energy supply system for an isolated microgrid, a joint design framework that considered the capacity sizing alongside operational planning is essential. In this work, an integrated planning model was developed to investigate the techno-economic performances of a high renewable energy-based standalone microgrid. The approach combines capacity sizing and operation scheduling, considering demand-side management strategies for different system design scenarios. The ...
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#1Jia Meng (BIT: Beijing Institute of Technology)
#2Mingshan Wei (BIT: Beijing Institute of Technology)H-Index: 7
Last. Siyu Zheng (BIT: Beijing Institute of Technology)
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Abstract Solar thermal power generation is a promising technique in renewable energy utilization with the advantages of techno-economic, energy storability, power continuity, and stability. The present paper designed a solar transcritical carbon dioxide Rankine cycle integrated with compressed air energy storage, which could resolve the impact of solar energy intermittence and enhance the technical flexibility in solar thermal power and storage. An original system configuration with heat recover...
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#1Yingya Chen (Xi'an University of Architecture and Technology)H-Index: 1
#2Yanfeng Liu (Xi'an University of Architecture and Technology)H-Index: 13
Last. Jiaping LiuH-Index: 13
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Abstract Extremely hot and humid climate has typical characteristics, such as high temperature, high humidity and lack conventional energy. It highly relies on the use of refrigeration and dehumidification equipment, which results in a large amount of conventional energy consumption. However, this contradicts the local energy system. Therefore, a novel solar-driven liquid desiccant air conditioning system is described and investigated in this study. It combines photovoltaic and thermal solar pow...
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#1Jiaxi Xia (Xi'an Jiaotong University)H-Index: 4
#2Yumin Guo (Xi'an Jiaotong University)H-Index: 1
Last. Yiping Dai (Xi'an Jiaotong University)H-Index: 34
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Abstract Transcritical CO2 power cycle is an available technology for low grade heat source recovery, but the low critical temperature (about 31℃) of CO2 working fluid restricts its practical application because it is hard to ensure the condensation for CO2 working fluid under the environmental temperature. In this paper, two novel combined cooling and power (CCP) systems with separators are proposed, namely the HCO2R (High concentration CO2 mixture Refrigeration) CCP system and LCO2R (Low conce...
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#1Zhao Sun (CSU: Central South University)
#2Zong Chen (Shenyang University)
Last. Zhiqiang Sun (CSU: Central South University)
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Abstract Chemical looping gasification is a promising technology for biomass utilization. However, the biomass-derived products contain tar and CO2, which seriously affects the syngas quality and hinders its development. A new approach, chemical looping deoxygenated gasification (CLDG), was proposed for high-quality, H2/CO-tunable syngas generation with CO2 utilization via redox looping of CaO + Fe ↔ Ca2Fe2O5. The CLDG process involves a deoxygenation reactor (DR) and a regeneration reactor (RR)...
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#1Idan Sassonker (BGU: Ben-Gurion University of the Negev)
#2Moria Sassonker (BGU: Ben-Gurion University of the Negev)
Last. Alon Kuperman (BGU: Ben-Gurion University of the Negev)H-Index: 20
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Abstract It is well-known that levitation melting type induction heating system, fed by resonant inverter, is a complex and nonlinear dynamical system, in which high-frequency electrical-side dynamics and low-frequency mechanical side dynamics are strongly coupled. Such systems are typically operated at resonant electrical frequency in order to both stabilize the open-loop dynamics and maximize the power transfer. While stable, resulting open-loop dynamics is typically nonlinear and highly under...
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Abstract The consistent contribution of renewable resources towards power generation unquestionably fostered world’s energy transformation. Involvement and impact of solar Photovoltaic (PV) system in energy transition and socioeconomic growth have surpassed other resources in every aspect. Since the PV panels are highly susceptible to a very commonly occurring phenomenon called Partial Shading (PS); many array reconfiguration methods evolved in the recent past made a remarkable stride in offerin...
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#1Erdem Cuce (Recep Tayyip Erdoğan University)H-Index: 20
#2Tamer Guclu (Recep Tayyip Erdoğan University)H-Index: 1
Last. Pinar Mert Cuce (Recep Tayyip Erdoğan University)H-Index: 16
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Abstract In this study, impacts of nanofluid use in thermoelectric coolers (TECs) on cooling power and main performance parameters are investigated through a comprehensive experimental methodology. For this purpose, a water cooled block is placed on the hot side of the Peltier and a water to air heat exchanger is integrated to the system in order to cool the heated water. Three different nanoparticles (Al2O3, TiO2 and SiO2) at a mass fraction of 0.1, 0.5 and 1% are added to the water running in ...
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#1Majid Soltani (University of Shahrood)
#2Mahmood Chahartaghi (University of Shahrood)H-Index: 8
Last. Arsalan Faghih Shojaei (University of Shahrood)H-Index: 1
view all 4 authors...
Abstract In this paper, a combined cooling, heating and power (CCHP) system with gas engine is used to provide energy demand of a commercial cold storage and its techno-economic evaluation is performed compared to the traditional systems. Also, a cold storage facility to store orange crop during the period of entry and storage is analyzed. The thermal loads of the cold storage are calculated and an appropriate water-ammonia absorption chiller is designed and optimized. Then, changes in the energ...
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#1Tingting Pei (Lanzhou University of Technology)H-Index: 1
#2Li Li (UTS: University of Technology, Sydney)H-Index: 11
Last. Xiaohong Hao (Lanzhou University of Technology)H-Index: 1
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Abstract In practical grid-connected photovoltaic systems, faulty modules for small-scale photovoltaic arrays need to be accurately located, while the same strategy to locate each faulty module for large-scale arrays would imply high investment cost due to a large number of sensors needed. Therefore, to reduce the number of sensors and save fault monitoring investment, it suffices to identify where fault happens in a module block, which consists of several modules connected in series. For this p...
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