Effect of the ridge position ratio on the thermal environment of the Chinese solar greenhouse.

ABSTRACT: This paper clarified the mechanism of the south and north roofs' effect on the thermal environment of the Chinese solar greenhouse (CSG), using a new parameter: ridge position ratio (RPR), which can describe the dynamic dependency relationship between the south and north roofs. A mathematical model was established using a method of combining computational fluid dynamics (CFD) simulation with experiments, then the model was used to further analyse the effect of RPR on the thermal environment of the CSG. The experimental greenhouse was simulated as an empty building to obtain results independently from these factors including crop and ventilation conditions. The results showed that the occurrence time of the maximum air temperature will be delayed when RPR increases to 0.3 during the daytime

SUBMITTER: Wu X 

PROVIDER: S-EPMC8113901 | biostudies-literature | 2021 May

REPOSITORIES: biostudies-literature