Solar thermoelectric generator and thermoelectric cooler performance:analysis and comparison using a different shape geometry
作者机构:Laboratory:ElectronicsInstrumentation and EnergyFaculty of SciencesChouaib Doukkali UniversityEl JadidaMorocco National School of Applied Sciences—ENSABMSultan Moulay Slimane University—Beni MallalMorocco Laboratory of MaterialsProcessesEnvironment and QualityENSACadi Ayyad UniversitySafiMorocco
出 版 物:《Clean Energy》 (清洁能源(英文))
年 卷 期:2023年第7卷第6期
页 面:1233-1246页
核心收录:
学科分类:08[工学] 0807[工学-动力工程及工程热物理]
主 题:solar thermoelectric generators heat loss thermoelectric coolers coefficient of performance leg geometry same leg volume performance
摘 要:Thermoelectric devices are one of the technologies used either to generate electricity by applying a temperature difference using thermal energy or as a heating/cooling system by applying an electrical *** number of materials required to produce a product is an important factor in determining its *** costs associated with these materials,as well as their availability and quality,play a crucial role in price determination by *** this context,a method that employs a uniform volume distribution was *** approach enabled the analysis to focus on other variables,thereby promoting a more precise and relevant evaluation of overall *** on the finite element method,this study investigated the influence of geometric shape,including Rect-leg,Y-leg,Pin-leg and X-leg designs,on the performance of solar thermoelectric generators and thermoelectric *** study was conducted considering the same hot alumina junction surface that receives solar radiation;however,the ef-fective surface,which corresponded to the heat flow area and had a similar area near the exposed surface,varied depending on the chosen leg geometry,thus impacting the heat flux due to the variation in thermal *** the case of a solar thermoelectric generator,the Rect-leg model,having the same effective surface area,presented the lowest heat loss value resulting from convection and radiation in the heat spreader and the hot alumina *** the same conditions,the Y-leg showed the highest *** Rect-leg design generated,by using thermal and optical concentration,the highest output power of 0.028 and 0.054 W,and efficiency of 3.47%and 4.7%,respectively,whereas the Y-leg generated lower values of 0.006523 and 0.018744 W for power,and 2.83%and 2.71%for efficiency,*** the case of the thermoelectric coolers,the Y-leg generated the highest temperature difference between the hot and cold sides of 67.28 K at an electric current value