)时间(h)温度(℃)0.000156.66713.28513.33311.7630.556157.22213.09813.88911.6911.11114.9977.77812.92414.44411.6261.66714.9678.33312.76215.00011.5652.22214.8838.88912.61215.55611.512.77814.7449.44412.47316.11111.4583.33314.56210.00012.34516.66711.4113.88914.35410.55612.22717.22211.3684.44414.13311.11112.11817.77811.3295.00013.91111.66712.01818.33311.2925.55613.69312.22211.92618.88911.2596.11113.48412.77811.84119.44411.2285.2导热系数λ对墙内壁温度的影响墙的导热系数对内表面的影响,在图9和表5中发现,导热系数对内壁温度影响比较大,λ=1.2时,温度下降的趋势会更快,要比λ=0.85时下降快的多,下降速度更快,更短时间内达到稳态,因此导热系数越大温度扩散越快,导热系数越小则温度变化越慢,需要更长时间到达稳态,但是这时对于要求恒温的空间有好处,受波动影响更小。表5导热系数对墙内壁温度的影响时刻(h)λ=0.85λ=1.0λ=1.201515150.5561515151.11114.99714.9914.9711.66714.96714.92414.8332.22214.88314.7714.5642.77814.74414.54214.2073.33314.56214.26613.8083.88914.35413.96813.3984.44414.13313.66612.999
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