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Most photovoltaic/thermal (PV/T) systems have an air layer between the glass cover and the cells to minimize heat loss …
Persistent link: https://www.econbiz.de/10010906269
The electrical and thermal performance of a typical single pass hybrid photovoltaic/thermal (PV/T) air collector is … and efficiency. Unlike previous PV/T thermal models, the present model is obtained with some additions and corrections in … and air temperatures, thermal gain, PV current and voltage, and fill factor have been investigated. The results identified …
Persistent link: https://www.econbiz.de/10010702444
temperatures and concentration ratios (CR). On the other hand, solar thermal collectors are generally mature technologies which can … be selected according to the outlet temperature required. The study of hybrid photovoltaic/thermal (PV/T) collectors … using beam splitting has gained particular interest since the photovoltaic cells can be thermally decoupled from the thermal …
Persistent link: https://www.econbiz.de/10011189386
A novel air-gap-lens-walled compound parabolic concentrator incorporated with photovoltaic/thermal system (ALCPC …-PV/T) was proposed. The optical, electrical and thermal performances of the ALCPC-PV/T under the outdoor condition were analyzed … for building integrated concentrating photovoltaic/thermal application. The simulation and experiment were carried out to …
Persistent link: https://www.econbiz.de/10011263287
rooms in winter via thermoelectric devices and photovoltaic/thermal (PV/T) dual function modules. In summer, the … absorbs heat from indoor to decrease the temperature of the room. In the meanwhile, the thermal energy gained both from the … risen about 9°C. The thermal efficiency of the system is 12.06%. This simple and environmentally friendly can reduce cooling …
Persistent link: https://www.econbiz.de/10011040993
This paper presents a novel review and laboratory test results of four standard test methods for determining the energy consumption of microprocessor controlled gas tankless water heaters. The test standards examined are from Australia, Europe, Japan and North America. The European test standard...
Persistent link: https://www.econbiz.de/10010906306
Thermal efficiency improvement of a water heater was investigated numerically and experimentally in response to … transfer in each subsection, various sub-models were integrated to a complete model of the water heater. Thermal performance of … to include the baffle designs and same thermal performance analysis was simulated confirming potential improvements in …
Persistent link: https://www.econbiz.de/10010603034
microorganisms for the purposes of disinfection or extraction of bio-products can be generally categorized as either thermal … treatment methods or non-thermal treatment methods. The thermal methods for microbial disruption are not favorable in many … discussion of thermal methods for microorganism disruption will not be included in this review. Non-thermal treatments are …
Persistent link: https://www.econbiz.de/10010729400
-gap and vacuum; with flat-plate and spiral-wound membranes. The systems operate with thermal energy, although there is some … electrical consumption for pumping and in some cases for sustaining vacuum. The thermal energy requirements per unit volume of …
Persistent link: https://www.econbiz.de/10010906254
A model is developed for an existing organic Rankine cycle (ORC) utilizing a low-temperature geothermal brine including the performance characteristics of the components. The model is validated with a set of 7200 operation data collected in one-year. The operation of the ORC is optimized...
Persistent link: https://www.econbiz.de/10010906270