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仁科辰夫教授　最終講義　２０２３．３．１７　米沢キャンパス中示Ａ
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サーバ室の温度監視・太陽光発電受電モニター(現在開発中)

計算機室の概略図 Ti = 25.1 °C , Ta = 25.4 °C , To = 24.1 °C, Psp = 2.12 kW
太陽光発電+Li電池蓄電システムの発電量は3.41 kWで、計算機室への送電量はPsp = 2.12 kW(力率 f = cosφ = 0.80 ・)です。推定ですが、現在の外気吸入による冷却能力Poaは-.2 kWです。
P oa = (To - Ti) × 0.288×500× 4.185÷ 3600
日付35-5温度 / ℃07/07 01:0004/24 04:00
図 2025年07月07日 01:00から2037年04月24日 04:00のサーバ室の温度変化
青線、黒線、赤線、緑線は、それぞれ吸気温度、周辺温度、排気温度、米沢市の気温である。

サーバルーム温度履歴

表 サーバルーム温度履歴
日時入口温度 Ti / °C周辺温度 Ta / °C出口温度 To / °C
25.125.424.1
25.025.324.1
25.225.624.1
25.225.324.1
25.225.624.0
25.325.524.2
25.125.624.1
25.325.324.2
25.425.524.3
25.125.524.2
25.325.424.3
25.325.424.1
25.225.324.0
25.125.523.7
25.425.524.2
25.325.524.2
25.525.524.2
25.525.724.4
25.325.424.0
25.425.524.4
25.625.524.3
25.625.424.5
25.725.524.4
25.525.724.1
25.525.424.5
25.425.424.1
25.525.524.4
25.725.524.3
25.625.524.4
25.725.624.5
25.525.324.3
24.925.023.7
25.825.624.7
25.325.524.1
25.725.424.4
25.725.324.5
25.825.524.3
26.325.625.2
26.625.425.1
26.925.525.1
25.325.223.6
26.925.425.0
26.925.525.6
26.725.325.4
27.025.425.6
26.725.325.7
26.625.625.3
26.925.325.5
26.625.225.3
26.025.224.8
26.425.625.5
26.225.425.3
27.025.225.1
26.225.124.9
26.725.425.3
26.825.325.2
26.425.325.5
29.425.525.6
25.826.826.5
26.625.525.7
28.225.625.3
28.123.727.7
27.825.925.9
30.826.025.7
24.623.529.5
38.127.228.2
36.827.035.3
25.326.826.1
26.525.426.0
25.827.929.5
29.225.525.1
26.429.024.9
28.324.028.1
29.424.432.6
25.924.827.3
29.024.529.9
30.925.033.4
28.226.624.9
27.225.929.7
30.024.827.1
24.724.724.7
26.725.025.4
26.324.725.0
28.829.924.9
25.625.427.6
25.725.124.9
26.325.425.2
28.624.729.2
22.230.725.9
25.826.323.5
27.425.725.4
27.927.423.3
30.422.924.0
25.926.326.9
30.027.527.9
30.624.724.5
25.524.423.8
25.622.826.3
24.324.924.7
28.425.823.9
26.224.423.6
24.524.623.9
21.925.024.8
24.024.025.9
27.623.726.3
25.325.524.8
25.424.723.9
24.024.427.9
24.725.624.4
28.523.726.3
23.223.226.0
25.323.327.0
26.426.127.2
25.727.627.0
26.824.123.2
26.223.331.3
33.429.627.1
24.424.122.5
24.326.125.5
27.724.023.5
22.324.725.0
26.324.824.7
25.024.725.2
27.629.724.5
24.224.123.5
25.923.723.4
26.324.123.8
23.323.223.9
26.123.222.3
24.824.526.7
23.223.223.7
27.923.725.8
25.323.123.7
26.025.222.2
26.023.823.8
23.524.229.2
23.923.122.6
24.824.323.5
25.124.627.3
25.224.522.3
27.725.520.4
24.425.723.3
24.526.326.6
25.624.222.9
27.922.824.2
表 １時間ごとの温度履歴
日時入口温度 Ti / °C周辺温度 Ta / °C出口温度 To / °C
25.125.424.1
25.225.524.1
25.325.424.2
25.425.524.1
25.625.524.4
25.625.524.3
25.525.424.3
26.525.424.9
26.825.425.5
26.425.325.2
26.625.325.4
27.625.426.2
30.626.128.5
27.626.027.7
28.525.328.7
26.325.825.4
26.426.725.4
28.024.825.6
24.924.824.5
25.924.625.6
25.624.627.0
26.425.624.7
25.424.924.1
25.623.824.1
24.824.124.8
26.024.923.5
24.525.225.8
26.525.826.4
24.624.124.9
24.024.623.9
26.325.427.1
25.724.924.1
26.124.327.9
26.224.924.5
26.626.327.3
26.626.525.5
26.225.228.1
29.025.527.1
26.025.526.6
27.423.923.6
25.625.426.1
25.824.324.4
25.724.725.2
25.423.623.8
25.824.824.9
25.024.825.1
24.525.124.6
24.623.824.4
25.123.723.6
24.423.823.4
24.823.623.6
25.424.625.8
24.824.124.9
24.924.925.3
24.926.224.6
25.827.525.7
25.925.225.7
26.626.224.6
28.225.726.4
27.625.725.7
27.425.126.8
25.725.225.2
26.025.028.9
26.626.224.9
26.725.827.3
24.925.024.1
26.123.424.5
24.524.023.7
24.223.724.5
23.924.724.0
24.224.925.0
25.225.127.6
24.324.323.7