Results 11 to 20 of about 7,170 (165)
Frontiers in Energy Research, 2023 In order to improve the application possibility of CO2/R41 azeotropy mixture in the refrigeration industry, the optimum mass ratio of composition is defined and determined according to the thermodynamic properties and safety.
Yuehong Lu
exaly +4 more sources
An application of conventional and advanced exergy approaches on a R41R1233ZDE cascade refrigeration
Journal of Thermal Engineering, 2022 Painstaking adjustment of an optimum low-temperature cycle (LTC) condenser temperature allows cascade refrigeration system (CRS) to operate at maximum performance.
Cenker AKTEMUR +1 more
doaj +4 more sources
Small Business Grants Awarded by the National Institutes of Health for Rhinologic Diseases, 1985-2024. [PDF]
Int Forum Allergy RhinolInternational Forum of Allergy &Rhinology, Volume 16, Issue 5, Page 512-515, May 2026.
Birkenbeuel J +7 more
europepmc +2 more sources
IOP Conference Series: Materials Science and Engineering, 2018 In this paper, a comparative study of vapour cascade refrigeration system performance with R41 – R161 and R41 – R404A refrigerant couples have been presented to find out best suited refrigerant between R161 and R404A in the high temperature circuit.
Ranendra Roy, Bijan Mandal
exaly +2 more sources
International Journal of Thermofluids, 2023 In this work, the refrigerant R1233zd(E) (A1 ASHRAE safety code) is investigated for the possible substitution of refrigerant R161 (A2 ASHRAE safety code) in a cascade refrigeration system. The high-temperature circuit refrigerant R1233zd(E) is evaluated
Vivek K. Patel +4 more
doaj +1 more source
Results in Engineering, 2023 This article presents a novel cascade configuration for a compression absorption refrigeration system by combing a single effect absorption cycle with a reheater at the higher temperature circuit (HTC) and a modified vapor compression cycle with the ...
Md Walid Faruque +3 more
doaj +1 more source
Transport in times of an epidemic: public transport measures in the Czech Republic and its regions
Review of Economic Perspectives, 2021 In the first half of 2020, the global pandemic of the COVID-19 virus became a phenomenon affecting all spheres of human life. Measures against the spread of the virus have led to restrictions in life in public spaces and have also affected the transport ...
Vrána Martin +3 more
doaj +1 more source
Travel behaviour changes during the pandemic: Prague-Pilsen rail case study
Review of Economic Perspectives, 2022 The COVID-19 pandemic has affected many aspects of our everyday lives. Governments have taken numerous measures to contain the spread of the pandemic, which has had a direct impact on daily mobility, modal choice and the function of public transport ...
Surmařová Simona +2 more
doaj +1 more source
Thermal Science, 2022 A 3-D flow and heat transfer theoretical model was established for a 5 mm micro-fin tube to explore the heat transfer and flow characteristics of supercritical CO2/R41 therein under different pressures, mass fluxes, and components. The research attempts to provide reference for selecting components of working media and setting the pressure and mass ...
Ruoyu Dai +4 more
openaire +1 more source