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Modelling temperature and energy balances within geothermal paving systems

Modelling temperature and energy balances within geothermal paving systems

Tota-Maharaj, Kiran, Scholz, Miklas and Coupe, Stephen J. (2011) Modelling temperature and energy balances within geothermal paving systems. Road Materials and Pavement Design, 12 (2). pp. 315-344. ISSN 1468-0629 (Print), 2164-7402 (Online) (doi:https://doi.org/10.1080/14680629.2011.9695248)

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Abstract

Geothermal pavement systems are novel to the paving industry. It is the combination of ground source heat pumps and permeable pavements which treats urban runoff and utilises renewable energy for heating and cooling applications. An energy and temperature balance was developed for two experimental geothermal paving systems. The heat fluxes were analysed for a heating and cooling cycle to determine the thermogeological relationship for the systems. A 4th order Runge-Kutta numerical method was developed to model the heat fluxes and energy balance using measured temperature data and other environmental factors such as solar radiation, convection and evaporation heat fluxes for the pavement system. The model was statistically tested for its validity and it can be concluded that the Runge-Kutta technique proved to be an effective and reliable predictive tool.

Item Type: Article
Uncontrolled Keywords: permeable pavements, ground-source heat pumps, urban runoff, stormwater reuse, geothermal energy balance, Runge-Kutta
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
Faculty / Department / Research Group: Faculty of Engineering & Science
Related URLs:
Last Modified: 14 Oct 2016 09:31
Selected for GREAT 2016: None
Selected for GREAT 2017: None
Selected for GREAT 2018: None
Selected for GREAT 2019: None
URI: http://gala.gre.ac.uk/id/eprint/13093

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