Social-economic benefits of a novel photovoltaic/loop-heat-pipe system and its adaptability in building energy plant

Xingxing Zhang

Abstrakt

This article describes a novel photovoltaic/thermal (PV/T) water heating system. Through in- corporating a loop-heat-pipe (LHP) and a heat pump, the system can essentially maximise the electrical return of PV panel, and simultaneously produce a reasonable amount of heat. This system can therefore harvest larger amount of solar energy and enable enhanced system perfor- mance. It is expected that such dedicated technology could become the next generation of solar driven heating system and enable a significant reduction of building’s carbon footprint.

Słowa kluczowe: Social-economic, PV/T, Loop heat pipe, energy envelope
References

International Energy Agency. Photovoltaics/thermal Solar Energy Systems – Status of the technology and roadmap for future develpoment, Task 7 report to PVPS T7-10, 2002.

Dunn P.D. & Reay D.A., Heat Pipes (fourth edition), ELSEVIER science LTD, 1994.

Maydanik Yu.F., Loop heat pipes, Applied Thermal Engineering, 25, 2005, 635-657.

Zhang X. et al., Review of R&D progress and practical application of the solar photovoltaic/thermal (PV/T) technologies, Renewable and Sustainable Energy Reviews, 16 (01), 2012, 599-617.

Liang Z. et al., The experimental study on backplane material influencing the performance of solar cell module, Proceeding 10th China solar photovoltaic conference, Changzhou, Jiangsu, China, 19th–21st September 2008, 988-993.

Zhang X. et al., Characterization of a Solar Photovoltaic/Loop-heat-pipe Heat Pump Water Heating System, Applied Energy, 102, 2013, 1229-1245.

Energyplus, Weather profile, http://apps1.eere.energy.gov, access: 17.07.2013.

Wei He et al., Theoretical investigation of the thermal performance of a novel solar loop-heat-pipe façade-based heat pump water heating system, Energy and Buildings 77, 2014, 180-191.

Zhang X et al.,, Study of the Heat Transport Capacity of a Novel Gravitational Loop Heat Pipe, International Journal of Low Carbon Technologies; 8 (3), 2013, 210-223.

Zhang X et al., Dynamic performance of a novel solar photovoltaic/loop-heat-pipe heat pump system, Applied Energy, 114, 2014, 335-352.

Zhang X et al., Design, fabrication and experimental study of a solar photovoltaic/ loop-heat-pipe based heat pump system, Solar Energy, 97, 2013, 551-568.

Riffat S.B., Zhao X., Doherty P.S., Analytical and numerical simulation of the thermal performance of ‘mini’ gravitational and ‘micro’ gravitational heat pipes, Applied Thermal Engineering, 22, 2002, 1047-1068.

Solar water heating, http://www.bigginhill.co.uk/solar.htm, access: 12.02.2014.

Sobhnamayan F. et al., Optimization of a solar photovoltaic thermal (PV/T) water collector based on exergy concept, Renewable Energy, 68, 2014, 356-365.

Huang B.J., Chyng J.P., Performance characteristics of integral type solar assisted heat pump, Solar Energy, 71 (06), 2001, 403-414.

Electricity price, http://www.sh.sgcc.com.cn, access: 21.03.2013.

The standard for distributed photovoltaic award, http://www.sdpc.gov.cn, access: 21.08.2013. Electricity-to-CO2 conversion ratio, http://www.china5e.com, access: 21.08.2013.