Degradation model for an extruded polymeric solar thermal absorber

Methods for the development and testing of polymeric hybrid photovoltaic thermal (PVT) collector for indoor experiments

“…Many polymers are transparent and can replace the glass. However, polymers normally degrade more easily than glass and hence have fewer applications [30]. Sandness and Rekstadt [31] combined a polymer solar heat collector with single-crystal silicon PV cells in a hybrid energy-generating unit, that simultaneously produced low-temperature heat and electricity and tested experimentally to determine its thermal and photovoltaic performance.…”

Design, Analysis and Optimization of a Micro-CHP System Based on Organic Rankine Cycle for Ultralow Grade Thermal Energy Recovery

“…Since the temperature of the hot water from solar collectors is directly related to the solar radiation available during one day, the results reported in the following evaluate the behavior of the ORC power output during a typical sunny day. The daily water temperature profile, which is a [73,75] simplified trend derived from the experimental profile documented in Ref. [73], is reported in Fig.…”

“…The daily water temperature profile, which is a [73,75] simplified trend derived from the experimental profile documented in Ref. [73], is reported in Fig. 6 …”

“…7, according to Ref. [73,75]. The simulations are performed in this section under steady-state conditions for each hour of the day, following the temperature profile of the hot water exiting from the solar collectors shown in Fig.…”

Aging effect in the adhesion of a PC/CPVC arrangement for application in thermo-solar collectors

“…Aging of polymeric materials which are potential candidates for applications in solar absorbers has been the subject of several studies, in terms of the effect of physical, chemical, and mechanical aging. [5][6][7] In a recent report, the aging behavior of several amorphous and semicrystalline polymers was studied under conditions of exposure to hot water (80°C, up to 16,000 h) and hot air (140°C, up to 500 h), relating the changes observed in the mechanical properties under tension, where the main aging mechanisms observed were physical and chemical. [6] Studies dealing with the effects of irradiation on polymers have been an important area of research; irradiation on polymers can modify their structure and properties due to molecular chain rupture, which can be reflected, in some cases, through a change in color and mechanical properties.…”