Sorption Heat Transformer Test Station

吸附换热器测试站

• 批准号: RTI-2022-00100
• 负责人: Bahrami, Majid
• 金额: $ 10.93万
• 依托单位: Simon Fraser University
• 依托单位国家: 加拿大
• 项目类别: Research Tools and Instruments
• 财政年份: 2021
• 资助国家: 加拿大
• 起止时间: 2021-01-01 至 2022-12-31
• 项目状态: 已结题
• 来源: https://www.nserc-crsng.gc.ca/ase-oro/Details-Detailles_eng.asp?id=743028
• 关键词: Sorption; Heat; Transformer; Test; Station

Heating and cooling systems account, directly and indirectly, for 30% of the total energy consumed around the world. Building floor area and space cooling demand are both projected to double by 2070. The transition to fully electric heating would overwhelm the existing grid capacity, especially considering the fast-paced electrification of the transport sector. Furthermore, as a greater proportion of intermittent renewable energy sources are integrated into energy grids, the mismatch with demand increases the need for cost-effective thermal storage suitable for time scales of minutes to weeks creating demand for new heating, cooling and thermal storage technologies. Sorption heat transformers are emerging, flexible systems suitable for heat pumping, air conditioning, and thermal storage technology capable of providing renewable heating/cooling year-round using low-grade heat. They have high energy storage density and are capable of long-term energy storage with minimal loss to the ambient environment. They offer the potential for large-scale (excess) electricity conversion to heat/cold (and storage) with no need for rare-earth minerals or environmentally harmful materials. Nevertheless, heat transformers are still at a concept stage and a holistic approach is required to improve their efficiency (3-fold), reliability, and cost for market viability. Equipment is requested to custom-build a Sorption Heat Transformer Test Station to evaluate prototype systems for sustainable cooling, heating and thermal storage operated under real conditions. The to-be-tested prototypes will use new sorbent composites coated on nature-inspired heat exchangers optimized to enhance heat and mass transfer, generating higher heating/cooling rates and energy storage densities. The test station enables measuring overall system performance (namely, the specific power for heating and cooling, the coefficient of performance, and energy storage density) and investigating practical issues that arise under the hygrothermal stress of sorption/regeneration, including cycling stability, adhesion of composite coatings, durability, corrosion resistance of heat exchangers, and the effect of fouling on heat exchangers surfaces, which are key challenges facing this emerging technology. This custom-build test station will be absolutely necessary to the applicants' research and training programs of more than 100 HQP. These include the recently awarded NSERC CREATE Hybrid Thermal Electric Microgrid program, as well as international collaborations on the integration of sustainable energy resources into district energy networks, development of sorption heat pumps for affordable heating and cooling of buildings, and development of materials for sustainable cooling. The proposed Sorption Heat Transformer Test Station will create research and training opportunities for world leading developments with impact in clean energy conversion, buildings, greenhouses, and transport sectors.

供暖和制冷系统直接和间接消耗了全球总能源消耗的 30%。预计到 2070 年，建筑面积和空间冷却需求都会增加一倍。向全电供暖的过渡将压垮现有的电网容量，特别是考虑到交通部门的快速电气化。此外，随着越来越多的间歇性可再生能源并入能源网，与需求的不匹配增加了对适合几分钟到几周时间尺度的具有成本效益的热存储的需求，从而产生了对新的加热、冷却和热存储技术的需求。吸附热变压器是新兴的灵活系统，适用于热泵、空调和蓄热技术，能够利用低品位热量全年提供可再生加热/冷却。它们具有高能量存储密度，能够长期存储能量，同时对周围环境的损失最小。它们提供了大规模（多余）电力转换为热/冷（和存储）的潜力，而不需要稀土矿物或对环境有害的材料。然而，热变压器仍处于概念阶段，需要采取整体方法来提高其效率（3 倍）、可靠性和成本，以实现市场生存能力。需要定制设备来建造吸附热变压器测试站，以评估在实际条件下运行的可持续冷却、加热和蓄热原型系统。待测试的原型将使用新型吸附剂复合材料，涂在受自然启发的热交换器上，经过优化以增强传热和传质，产生更高的加热/冷却速率和能量存储密度。该测试站能够测量整体系统性能（即加热和冷却的比功率、性能系数和能量存储密度）并调查吸附/再生湿热应力下出现的实际问题，包括循环稳定性、复合涂层、换热器的耐用性、耐腐蚀性以及换热器表面污垢的影响，这些是这项新兴技术面临的主要挑战。这个定制的测试站对于申请人超过100个总部的研究和培训项目来说是绝对必要的。其中包括最近授予的 NSERC CREATE 混合热电微电网计划，以及将可持续能源资源整合到区域能源网络、开发吸附式热泵以实现经济实惠的建筑物供暖和制冷以及开发可持续制冷材料的国际合作。拟议的吸附热变压器测试站将为世界领先的发展创造研究和培训机会，对清洁能源转换、建筑、温室和运输领域产生影响。