Compact latent heat storage decarbonisation potential for domestic hot water and space heating applications in the UK

被引：37

作者：

da Cunha, Jose Pereira ^{[1
]}

Eames, Philip ^{[1
]}

机构：

[1] Loughborough Univ Technol, Wolfson Sch Mech Elect & Mfg Engn, Loughborough LE11 3TU, Leics, England

来源：

APPLIED THERMAL ENGINEERING | 2018年 / 134卷

基金：

英国工程与自然科学研究理事会;

关键词：

Phase change materials; Latent heat thermal storage; Domestic hot water; Domestic space heating; Air source heat pumps; finite volume enthalpy models; PHASE-CHANGE; ENERGY-STORAGE; TECHNOLOGIES; PERFORMANCE; SYSTEMS;

D O I：

10.1016/j.applthermaleng.2018.01.120

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

A performance comparison is presented for a domestic space and hot water heating system with a conventional gas boiler and an air source heat pump (ASHP) with latent heat storage, both with solar thermal collectors for a typical UK climate, to demonstrate the potential of phase change material based energy storage in active heating applications. The latent heat thermal storage system consisted of 10 modules with RT54HC comprising a total storage capacity of 14.75 kWh that provided 53% extra thermal storage capacity over the temperature range of 40-65 degrees C compared to a water only store. The simulations predicted a potential yearly CO2 reduction of 56%, and a yearly energy reduction of 76% when operating the heat pumps using the economy 10 electricity tariff i.e. a low tariff between 00.00 and 05.00 and 13.00-16.00 with current grid emission values compared to the conventional gas boiler system; successfully offsetting the electrical load to meet the required heat demand. Due to the high capital costs of the heat pump system with latent heat storage, its levelized cost of energy was 117.84 pound/MWh, compared to 69.66 pound/MWh for the gas boiler, on a 20-year life cycle.

引用

页码：396 / 406

页数：11

共 34 条

[1] Pricing decisions and market power in the UK electricity market: A VECM approach [J].