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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 = 14.4 °C , Ta = 21.9 °C , To = 17.9 °C, Psp = 0.25 kW
太陽光発電+Li電池蓄電システムの発電量は1.38 kWで、計算機室への送電量はPsp = 0.25 kW(力率 f = cosφ = 0.16 ・)です。推定ですが、現在の外気吸入による冷却能力Poaは.6 kWです。
P oa = (To - Ti) × 0.288×500× 4.185÷ 3600
日付35-5温度 / ℃03/04 09:1003/05 09:10
図 2026年03月04日 09:10から2026年03月05日 09:10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
14.421.917.9
12.922.618.5
14.622.718.3
24.522.822.2
22.022.222.9
23.421.222.9
23.721.824.1
23.222.222.7
22.224.524.3
25.122.120.3
21.621.521.9
21.721.522.5
23.523.722.9
24.624.524.4
24.022.726.0
22.722.121.3
21.221.122.1
21.121.721.6
23.222.323.0
23.122.223.9
22.326.123.5
22.422.122.6
21.721.522.1
22.121.622.1
22.821.522.8
22.221.822.2
21.621.421.3
25.421.523.1
22.422.322.8
24.322.620.9
23.721.824.4
22.221.623.0
21.920.623.4
21.022.321.2
27.124.530.4
20.922.520.5
24.421.624.1
20.822.322.2
24.321.422.2
23.320.120.2
23.120.920.5
22.721.524.1
23.022.423.0
22.822.322.5
24.623.820.9
25.221.024.3
23.121.621.7
22.022.322.2
21.521.421.1
21.922.122.5
24.322.823.7
22.522.824.8
23.724.225.2
20.621.421.8
21.621.722.5
22.421.925.3
26.925.422.2
22.420.823.6
24.422.424.8
21.723.622.2
21.021.121.5
21.222.822.3
21.522.124.2
25.321.820.8
22.323.125.3
21.921.525.5
23.322.223.4
25.422.222.1
25.222.623.5
22.922.228.9
22.122.522.7
20.124.324.8
21.521.421.4
21.521.722.3
22.222.723.7
23.122.322.8
22.922.122.6
22.822.122.6
19.821.222.0
20.922.222.4
19.922.428.6
22.323.622.7
22.622.527.1
22.021.421.5
22.419.621.9
24.223.825.3
21.022.325.0
21.621.722.0
22.024.426.5
23.021.922.0
23.622.023.6
22.821.122.4
20.320.318.9
22.522.323.5
20.220.621.5
26.220.823.8
21.622.924.6
23.022.620.8
19.622.422.7
19.821.621.6
17.921.822.9
18.920.022.3
18.622.525.0
17.921.822.1
19.522.320.2
21.522.219.4
20.121.722.8
19.320.022.5
21.222.122.3
20.920.122.3
20.621.921.9
19.720.824.3
17.627.034.9
20.520.921.7
22.322.324.3
22.222.626.3
21.923.024.1
20.224.121.7
18.321.120.9
19.422.422.2
19.522.322.5
22.221.622.9
20.622.722.2
17.323.821.5
23.821.321.5
19.922.120.6
19.422.023.2
19.621.524.3
21.322.222.4
21.222.222.7
22.122.823.5
19.921.622.0
23.020.422.3
15.521.120.3
17.321.021.6
25.423.023.0
25.722.124.7
21.622.822.9
19.924.726.2
21.622.027.4
23.126.027.7
22.322.027.9
20.022.022.6
25.122.721.7
19.521.623.1
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
13.722.318.2
21.922.222.2
23.123.022.7
22.622.023.0
22.322.422.6
23.321.922.6
22.722.323.6
23.221.422.1
23.122.022.1
22.522.523.9
22.922.722.8
23.322.223.6
22.222.523.9
22.022.122.7
22.222.224.5
22.322.223.6
22.321.622.2
18.821.722.8
20.421.421.6
20.522.625.6
20.322.422.4
20.122.222.2
20.521.722.2
21.922.624.3
22.122.724.0
22.422.625.1
22.321.922.0
20.321.922.9
22.722.124.6
23.523.023.1
22.221.622.6
22.422.223.5
22.721.923.1
22.722.323.1
23.621.323.7
22.521.824.4
22.121.622.8
22.922.124.2
22.722.622.4
22.322.323.4
21.722.223.0
21.921.722.3
20.121.622.9
19.422.122.2
18.221.623.0
19.322.023.6
21.021.923.1
20.521.323.0
20.721.822.4
21.222.923.7
22.522.722.9
22.323.023.3
22.122.324.3
21.922.522.4
22.821.522.6
23.922.123.4
21.621.923.3
23.923.422.0
22.721.822.3
22.222.823.2
22.621.923.0
21.722.422.1
22.122.923.0
22.022.922.9
20.022.122.1
21.523.024.1
20.522.222.8
22.924.124.2
22.022.422.1
19.922.122.3
21.422.723.8
20.422.322.0
22.122.622.8