Experimental evaluation of a solar window incorporating rotationally asymmetrical compound parabolic concentrators (RACPC)

Inactivation of Fecal coliforms during solar and photocatalytic disinfection by zinc oxide (ZnO) nanoparticles in compound parabolic concentrators (CPCs)

Water samples of 0, 50, and 100 nephelometric turbidity units (NTU) spiked with fecal coliforms (107 CFU/ml) were exposed to natural sunshine in 1l quartz glass tubes fitted with rectors’ compound parabolic concentrators CPCS at two forms CPC1 (whit nanoparticle zinc oxide) and CPC2(without nanoparticle zinc oxide). The samples were characterized using the X-ray...

Design and Optical Performance of Compound Parabolic Solar Concentrators with Evacuated Tube as Receivers

Abstract: In the present article, six symmetric compound parabolic solar concentrators (CPCs) with all-glass evacuated solar tubes (EST) as the receiver are designed, and a comparative study on their optical performance is performed based on theoretical analysis and ray-tracing simulations. In terms of optical loss through gaps of CPCs and optical efficiency averaged for radiation over the acce...

Modelling of Compound Parabolic Concentrators for Photovoltaic Applications

In this paper ways of using compound parabolic concentrators as primary optical elements for concentrated photovoltaics are evaluated. The problems related to these classical non-imaging optical elements for photovoltaics applications have been evaluated by modelling different types of linear and point focus concentrators. Particular consideration is given to the issues of manufacturability and...

Compound parabolic concentrators for narrowband wireless infrared receivers

The desire for inexpensive, high-speed wireless links has motivated recent interest in infrared free-space communication systems.15 As a medium for short-range wireless communication, infrared offers significant advantages over radio. The infrared spectrum represents an immense, unregulated bandwidth. Moreover, infrared radiation does not pass through walls, allowing the operation of at least o...

Experimental Study on a Compound Parabolic Concentrator Tubular Solar Still Tied with Pyramid Solar Still