地膜覆盖中传热问题的研究  

A STUDY OF HEAT TRANSFER PROBLEMS IN THE MULCH SYSTEM

作　　者：杨纯[1] 葛新石[1] 程曙霞[1] 

机构地区：[1]中国科学技术大学

出　　处：《工程热物理学报》1990年第4期418-421,共4页Journal of Engineering Thermophysics

摘　　要：一、引言 利用地膜覆盖促成栽培蔬菜及其它农作物,具有相当的经济效益。它改善了地膜内的小气候,使地膜内空气和土壤的温度及湿度更适于农作物的生长。故有必要从理论和实验两个方面来分析地膜覆盖系统的温度分布及其变化规律。A one-dimensional mathematical model and the corresponding calculation method are presented in order to study the effect of soil mulching with plastic film upon the soil temperature regime. The calculated temperature profile is compared with the observed one in experimental field plots. The result is satisfactory. This shows that the model is reliable.

关 键 词：蔬菜 栽培 地膜 覆盖 传热 

分 类 号：TK124[动力工程及工程热物理—工程热物理]