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2011年12月—2012年3月,在山东寿光对下挖式日光温室土质后墙不同厚度层的温度、热流进行连续测试,分析了下挖式日光温室土墙温度和热流的变化规律,确定了土墙的合理厚度.结果表明:冬季,研究区温室墙体内侧表面、外侧覆盖层表面温度、热流的变化幅度较大,且与室内外气温的变化趋势相同.墙体温度总体上由内侧表面到外侧表面呈不断降低的趋势,墙体内侧温度、热流变化幅度较大的层次多于外侧.墙体温度、热流的变化幅度从浅层到深层依次减小.连阴天条件下,墙体内侧各层温度都有不同程度的下降,向室内放热的层次不断加深,而外侧各层次以向室外放热为主.根据墙体温度和热流的变化规律,在墙体外侧有覆盖层的情况下,把墙体从内到外划分为蓄热层、过渡层和御冷层,其厚度分别为0.8～1.0m、2.2～2.6m和0.4～0.6m.在不考虑过渡层的条件下,寿光日光温室土墙厚度以1.4～1.6m为宜.
From December 2011 to March 2012, the temperature and heat fluxes of different thicknesses of the back wall of the soil layer were measured in Shouguang, Shandong Province. The variation of soil temperature and heat flow in the underglowed solar greenhouse was analyzed. The result shows that in winter, the change of surface temperature and heat flux of the inner and outer cover of the greenhouse in the research area are larger and the same with the indoor and outdoor air temperature.The wall temperature is generally from the inside Surface to the outer surface of the continuous downward trend, the wall inside the temperature, heat flow larger than the outside of the larger range. Wall temperature, heat flow in the range of change from shallow to deep in turn .In cloudy weather conditions, the wall The temperature of each layer inside the body has a different degree of decline, deepening to the level of indoor heat, while the outside of the various levels to the outdoor radiating mainly.According to the wall temperature and heat flow changes in the outer wall of the cover , The wall is divided into heat storage layer, transition layer and cooling layer from the inside to the outside, the thickness of the wall is 0.8 ~ 1.0m, 2.2 ~ 2.6m and 0.4 ~ 0.6m respectively. Under the Shouguang sunlight greenhouse Soil wall thickness of 1.4 ~ 1.6m is appropriate.