Research on the designing method of double - flow - passage impeller 雙流道葉輪設(shè)計(jì)方法研究
The collector efficiency of double - flow solar air heaters with fins attached by baffles , has been investigated experimentally and theoretically 摘要本文理論分析配合實(shí)驗(yàn)印證,探討雙流式翅加檔板型太陽能空氣加熱器之收集器效率。