A novel peak shaving framework for coal-fired power plant in isolated microgrids: Combined flexible energy storage and waste heat recovery

T Ouyang, P Qin, X Tan, J Wang, J Fan - Journal of Cleaner Production, 2022 - Elsevier
Coal-fired power plants (CFPPs) not only bear the burden of peak shaving, but the mission
of energy saving. However, the increasing peak-valley difference leads to the difficulties of …

Operation strategy and performance analyses of a distributed energy system incorporating concentrating PV/T and air source heat pump for heating supply

Z Chen, C Su, Z Wu, W Wang, L Chen, L Yang, Y Kong… - Applied Energy, 2023 - Elsevier
The distributed energy system incorporating solar energy plays an important role in saving
fossil fuels to realize the goal of carbon neutrality. In this paper, a distributed energy system …

Experimental test on the performance of a− 80° C cascade refrigeration unit using refrigerants R290-R170 for COVID-19 vaccines storage

Z Liu, M Bai, H Tan, Y Ling, Z Cao - Journal of Building Engineering, 2023 - Elsevier
With the urgent demand for ultralow-temperature refrigerators worldwide, the operation
reliability and stability of the refrigeration system becomes greatly crucial. In this study, a-80 …

[HTML][HTML] Energy and exergy analysis of NH3/CO2 cascade refrigeration system with subcooling in the low-temperature cycle based on an auxiliary loop of NH3 …

X Chen, Q Yang, W Chi, Y Zhao, G Liu, L Li - Energy Reports, 2022 - Elsevier
This paper proposes a NH 3/CO 2 cascade refrigeration system that sets an auxiliary
refrigeration loop in the high-temperature cycle to increase the subcooling degree in the low …

[HTML][HTML] Comprehensive performance analysis of cascade refrigeration system with two-stage compression for industrial refrigeration

Z Sun - Case Studies in Thermal Engineering, 2022 - Elsevier
The cascade refrigeration system with two-stage compression (CRST) with R1150/R717 as
the refrigerant group was studied to replace the three-stage cascade refrigeration system …

Experimental study on performance characteristics of a− 70° C ultra-low temperature medical freezer with mixed hydrocarbon refrigerant

J Liu, J Yu, G Yan - Energy, 2024 - Elsevier
It is well-known that the− 70° C ultra-low temperature freezers have been widely concerned
for vaccine and biomedical products storage due to the outbreak of COVID-19. This paper …

[HTML][HTML] A step towards digital operations—A novel grey-box approach for modelling the heat dynamics of ultra-low temperature freezing chambers

T Huang, P Bacher, JK Møller, F D'Ettorre… - Applied Energy, 2023 - Elsevier
Ultra-low temperature (ULT) freezers store perishable bio-contents and have high energy
consumption, which highlight a demand for reliable methods for intelligent surveillance and …

Multi-objective (Carbon-Exergy) optimization study of CO2 cascade systems using multiple refrigerant pairs

K Hu, Y Zhang, Z Liu, Y Hu, H Sun, Z Sun… - International Journal of …, 2024 - Elsevier
In order to guide the operation of the actual cascade system, this paper takes the cascade
system as the research object and compares the use of six refrigerant pairs. Unlike the …

[HTML][HTML] An ultralow-temperature cascade refrigeration unit with natural refrigerant pair R290-R170: Performance evaluation under different ambient and freezing …

Z Liu, S Ji, H Tan, D Yang, Z Cao - Thermal Science and Engineering …, 2023 - Elsevier
The global demand for ultralow-temperature (ULT) refrigeration units gets greatly promoted,
for storage, transportation, and distribution of COVID-19 vaccines. In this work, a ULT freezer …

Thermo-economic analysis of absorption-compression hybrid cooling systems with parallel subcooling and recooling for small scale low-grade heat source and low …

Z Peng, Z Li, J Zeng, J Yu, S Lv - International Journal of Refrigeration, 2022 - Elsevier
The consumption of low temperature refrigeration systems goes up dramatically due to the
fast development of cold chain. In this regard, developing the absorption-compression …