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Limiting Performance of the Ejector Refrigeration Cycle with Pure Working Fluids [PDF]

open access: yesEntropy, 2023
An ejector refrigeration system is a promising heat-driven refrigeration technology for energy consumption. The ideal cycle of an ejector refrigeration cycle (ERC) is a compound cycle with an inverse Carnot cycle driven by a Carnot cycle. The coefficient
Jiawei Fu   +4 more
doaj   +2 more sources

The influence of the ultrasonic treatment of working fluids on electrospun amorphous solid dispersions

open access: yesFrontiers in Molecular Biosciences, 2023
Based on a working fluid consisting of a poorly water-soluble drug and a pharmaceutical polymer in an organic solvent, electrospinning has been widely exploited to create a variety of amorphous solid dispersions However, there have been very few reports ...
Haibin Wang   +4 more
doaj   +2 more sources

Study on the Performance of New High Temperature Heat Pump Mixtures as Alternatives to R245fa

open access: yesTaiyuan Ligong Daxue xuebao, 2023
Purposes At present, the contradiction between energy supply and demand is increasingly intensifying, and high-temperature heat pumps, as an energy-saving and emission-reduction technology, can upgrade a large amount of low-grade waste heat to high-grade
Biao FENG   +4 more
doaj   +1 more source

Design of the Organic Rankine Cycle (ORC) System Using R600 and R600a as Working Fluid [PDF]

open access: yesE3S Web of Conferences, 2023
Organic Rankine Cycle (ORC) is one of the alternative technologies for generating electricity from low to medium level heat sources. ORC operates at low temperatures and pressures using two types of organic working fluids.
Megaprastio Bayu   +4 more
doaj   +1 more source

Application and Design Aspects of Ground Heat Exchangers

open access: yesEnergies, 2021
With the constant increase in energy demand, using renewable energy has become a priority. Geothermal energy is a widely available, constant source of renewable energy that has shown great potential as an alternative source of energy in achieving global ...
Luka Boban   +3 more
doaj   +1 more source

Investigation of a Thermal Power Pumping cycle system using alternative working fluids

open access: yesInternational Journal of Sustainable Energy, 2022
This paper presents a comparative analysis of the potential working fluids for a promising thermodynamic cycle (Thermal Power Pump cycle) for the utilisation of low-grade heat.
Y. T. Abirham   +3 more
doaj   +1 more source

Thermodynamic Based Working Fluid Selection for High-Temperature Waste Heat Recovery of a Turbocharged Diesel Engine Using Organic Rankine Cycle [PDF]

open access: yesJournal of Renewable Energy and Environment, 2019
A considerable amount of waste heat is produced by internal combustion engines. Bottoming cycle application of Organic Rankine Cycles (ORC) is one of the promising technologies that recuperates the waste heat of engines.
Amin Habibzadeh, Samad Jafarmadar
doaj   +1 more source

Organic Rankine Cycle Optimization Performance Analysis Based on Super-Heater Pressure: Comparison of Working Fluids

open access: yesEnergies, 2021
The organic Rankine cycle (ORC) is widely accepted to produce electricity from low-grade thermal heat sources. In fact, it is a developed technology for waste-heat to electricity conversions.
Ana Fernández-Guillamón   +3 more
doaj   +1 more source

Tough, highly stretchable and self-healing poly(acrylic acid) hydrogels reinforced by functionalized basalt fibers

open access: yesMaterials Research Express, 2020
Recently, self-healing properties have lately received great attention for polymeric hydrogels which enables the hydrogels to restore their structures after damage and prolong the service life of the gels.
Hang Wang   +6 more
doaj   +1 more source

Hypersensitivity Pneumonitis Associated with Environmental Mycobacteria [PDF]

open access: yes, 2005
A previously healthy man working as a machine operator in an automotive factory developed respiratory symptoms. Medical evaluation showed abnormal pulmonary function tests, a lung biopsy showed hypersensitivity pneumonitis, and his illness was traced to ...
Akshay Sood   +7 more
core   +2 more sources

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