Shell-and-tube based thermal energy system coupled with flat plate solar collector.

Khan, Z.A. and Khan, Z., 2018. Shell-and-tube based thermal energy system coupled with flat plate solar collector. In: AEM2018 Advanced Energy Materials, 10-12 September 2018, University of Surrey, England.

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Abstract

To secure optimum utilisation of solar energy sources, a novel shell-and-tube heat exchanger with multi-tube passes and extended surfaces based latent heat storage (LHS) system was designed, developed and commissioned with an integration to flat plate solar collector in Organic Rankine Cycle (ORC). Paraffin, HFE-7000 and water were employed as thermal storage material and heat transfer fluids to sustain simultaneous generation of electricity and heat. It was noticed that the melting/solidification rates and charging/discharging powers were significantly augmented with an increase in Stefan number. However, an increase in Reynolds number had offered a moderate enhancement. The proposed design solution proficiently captured and released 14.35 MJ and 13.63 MJ while charging and discharging at constant inlet temperature for 3 h and 1.5 h, respectively. It was deduced that heat and electricity demands for domestic and industrial applications could be achieved and supplied by regulating inlet operating conditions of LHS system and/or by assembling LHS systems in series or parallel combinations.

Item Type:Conference or Workshop Item (Paper)
Additional Information:Conference dates 10 Sep 2018- 12 Sep 2018. This item is embargoed until it has been presented at the AEM2018 Advanced Energy Materials conference.
Uncontrolled Keywords:Solar energy; Clean energy technology; Low carbon; Green house emissions; Energy storage; Energy domestic; Energy commercial; Thermal energy; Heat storage materials;
Group:Faculty of Science & Technology
ID Code:30926
Deposited By: Unnamed user with email symplectic@symplectic
Deposited On:29 Jun 2018 10:24
Last Modified:19 Sep 2018 14:22

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