Results 21 to 30 of about 69,860 (335)

Simulation of multi-deck medium temperature display cabinets with the integration of CFD and cooling coil models [PDF]

open access: yes, 2010
This is the post-print version of the final paper published in Applied Energy. The published article is available from the link below. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and ...
A. Hadawey   +29 more
core   +1 more source

Trigeneration Turbine Units Based on Low Boiling Working Fluids

open access: yesИзвестия высших учебных заведений и энергетических объединенний СНГ: Энергетика, 2022
A program that allows modeling, thermodynamically optimizing and performing exergetic analysis of more than a hundred different variations of the schemes of trigeneration turbine units based on low-boiling working fluids. With the aid of the program that
A. V. Ovsyannik, V. P. Kliuchinski
doaj   +1 more source

Carbon Dioxide Heat Transfer Coefficients And Pressure Drops During Flow Boiling: Assessment Of Predictive Methods [PDF]

open access: yes, 2010
Among the alternatives to the HCFCs and HFCs, carbon dioxide emerged as one of the most promising environmentally friendly refrigerants. In past years many works were carried out about CO2 flow boiling and very different two-phase flow characteristics ...
A. Rosato   +3 more
core   +1 more source

Shortcut model for predicting refrigeration cycle performance [PDF]

open access: yes, 2015
Compression refrigeration systems are very widely used to provide cooling to sub-ambient processes. The power demand of the cycle depends strongly on the temperature at which cooling is required, the temperature at which the refrigerant is condensed, as ...
Emtir, M., Etoumi, Asma, Jobson, Megan
core   +1 more source

The Analysis of Next-Generation Refrigerants in Terms of Energy, Exergy, and LCCP Perspective

open access: yesDüzce Üniversitesi Bilim ve Teknoloji Dergisi, 2023
In this study, commonly used hydrofluorocarbon (HFC)-based refrigerants R404A and R410A, as well as hydrofluoroolefin (HFO)-based environmentally friendly next-generation refrigerant R1234yf with a low global warming potential (GWP), were analyzed in ...
Mehmet Onur Karaagac   +3 more
doaj   +1 more source

Flame Suppression Effects of Binary Extinguishants on the Flammability of HFO-1243zf

open access: yesZhileng xuebao, 2023
HFO-1243zf (R1243zf) is a refrigerant with a low global warming effect and high development potential. The safety classification of R1243zf is A2; therefore, its flammability cannot be ignored.
Wu Xi   +4 more
doaj  

HVAC SYSTEM REMOTE MONITORING AND DIAGNOSIS OF REFRIGERANT LINE OBSTRUCTION [PDF]

open access: yes, 2018
A heating, ventilation, and air conditioning (HVAC) system of a building includes a refrigerant loop. A monitoring system for the HVAC system includes a monitoring device installed at the building.
Alsaleem, Fadi M.
core   +1 more source

Pre‐analytical optimization of cell‐free DNA and extracellular vesicle‐derived DNA for mutation detection in liquid biopsies

open access: yesMolecular Oncology, EarlyView.
Pre‐analytical handling critically determines liquid biopsy performance. This study defines practical best‐practice conditions for cell‐free DNA (cfDNA) and extracellular vesicle–derived DNA (evDNA), showing how processing time, storage conditions, tube type, and plasma input volume affect DNA integrity and mutation detection.
Jonas Dohmen   +11 more
wiley   +1 more source

Refrigerant and Oil Migration and Retention in Air Conditioning and Refrigeration Systems [PDF]

open access: yes, 2005
Air Conditioning and Refrigeration Project ...
Newell, T.A., Sheth, V.P.
core  

Screening and epitope characterization of Nidogen‐2‐specific nanobodies

open access: yesFEBS Open Bio, EarlyView.
Camel immunization and phage display were employed to generate high‐affinity VHH nanobodies against Nidogen‐2. After library construction, biopanning, ELISA screening, sequencing, and recombinant expression, selected nanobodies were purified and characterized, leading to the preliminary exploration of a nanobody‐based sandwich ELISA for specific ...
Jianchuan Wen   +9 more
wiley   +1 more source

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