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|Title: ||Feasibility study of MgSO4 + zeolite based composite thermochemical energy stores integrated with vacuum flat plate solar thermal collectors for seasonal thermal energy storage|
|Authors: ||Mahon, Daniel|
Eames, Philip C.
|Issue Date: ||2018|
|Publisher: ||IOP Publishing|
|Citation: ||MAHON, D. ... et al, 2018. Feasibility study of MgSO4 + zeolite based composite thermochemical energy stores integrated with vacuum flat plate solar thermal collectors for seasonal thermal energy storage. IOP Conference Series : Materials Science and Engineering, [in press].|
|Abstract: ||A primary drawback of solar thermal technologies, especially in a domestic setting, is that collection of thermal energy occurs when solar irradiance is abundant and there is generally little requirement for heating. Thermochemical Energy Storage (TCES) offers a means of storing thermal energy interseasonally with very little heat loss. A combination of Solar Thermal Collectors (STC) and TCES systems will allow a variety of different heating applications, such as domestic space and hot water heating as well as low temperature industrial process heat applications to be met in a low carbon way. This paper describes and assesses the feasibility of two novel technologies currently under development at Loughborough University; i) an evacuated flat plate STC and ii) composite TCES materials, coupled together into a system designed to store and supply thermal energy on demand throughout the year. The predicted performance of an evacuated flat plate STC is described. The objective of this paper is to evaluate the economic, energy and carbon saving potential of conceptual STC + TCES systems suitable for domestic use. This research uses experimental results from Differential Scanning Calorimeter tests to evaluate the total enthalpy, dehydration enthalpy and sensible component enthalpy of composite TCES materials. The experimental results along with predicted performance of STC are used within a developed model to assess key metrics of conceptual STC + TCES systems feasibility, including; charging time, payback time, cost/ kWh, energy savings and CO2 savings. Preliminary results suggest the combination of these two technologies has significant potential for domestic applications.|
|Description: ||This paper is closed access until it is published.|
|Version: ||Accepted for publication|
|Publisher Link: ||http://iopscience.iop.org/journal/1757-899X|
|Appears in Collections:||Closed Access (Mechanical, Electrical and Manufacturing Engineering)|
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