Application of response surface methodology and desirability approach to optimize the performance of an ultra-low temperature cascade refrigeration system

W Ye, F Liu, Y Yan, Y Liu - Applied Thermal Engineering, 2024 - Elsevier
In this paper, multi-objective optimization of an ultra-low temperature cascade refrigeration
system is presented using response surface methodology and desirability approach …

Performance comparison of ultra-low temperature cascade refrigeration cycles using R717/R170, R717/R41 and R717/R1150 to replace R404A/R23

M Chen, Q Yang, B Shi, X Chen, W Chi, G Liu… - Thermal Science and …, 2023 - Elsevier
This paper builds a cascade refrigeration cycle (CRS) system for the requirement of
producing ultra-low temperature of− 80 to− 50℃. Taking R404A/R23 CRS as an example …

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 …

The ecological footprint of COVID-19 mRNA vaccines: estimating greenhouse gas emissions in Germany

P Kurzweil, A Müller, S Wahler - International Journal of Environmental …, 2021 - mdpi.com
Compared to the medical, economic and social implications of COVID-19 vaccinations, little
attention has been paid to the ecological balance to date. This study is an attempt to …

Impact analysis of COVID-19 outbreak on cold supply chains of perishable products using a SWARA based MULTIMOORA approach

N Kumar, M Tyagi, A Sachdeva, Y Kazancoglu… - Operations Management …, 2022 - Springer
The present study aims to analyze the impact of the COVID-19 outbreak resulting in Cold
Supply Chain (CSC) disruptions and shed new light on the potential opportunities yielded …

Operation performance of an ultralow-temperature cascade refrigeration freezer with environmentally friendly refrigerants r290-r170

H Tan, L Xu, L Yang, M Bai, Z Liu - Environmental Science and Pollution …, 2023 - Springer
In the present study, the operation performance of an ultralow-temperature cascade
refrigeration freezer is experimentally researched. The natural refrigerants R290-R170 are …

Experimental study on a-86° C cascade refrigeration unit with environmental-friendly refrigerants R290-R170

Z Liu, K Yuan, Y Ling, H Tan, S Yang - Environmental Science and …, 2023 - Springer
Ultralow-temperature refrigeration faces significant issues linked to the security of the cold
chain for the production, storage, transportation, and distribution of COVID-19 vaccines. 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 …

[HTML][HTML] Energy, exergy and economical analysis of N2O based cascade refrigeration system for ultralow temperature cooling applications using different eco-friendly …

S Kumar, P Gahlot, S Kumar - Results in Engineering, 2024 - Elsevier
Abstract Implementing the Montreal Protocol has limited the use of conventional refrigerants
and has led industries to find optimal or economical eco-friendly refrigerants to reduce …

Thermodynamic analysis for novel vapor compression/absorption cascade refrigeration system for LNG liquefaction processes in Egypt

TA Mouneer, AA Hawwash, MH Aly, EM Mina - Energy Conversion and …, 2022 - Elsevier
This research demonstrates a novel vapour compression/absorption cascade refrigeration
system for LNG liquefaction process to replace the air-cooled condenser equipped in …