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毎日一題 2015年9月15日

2015-09-16View Original

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塔底の液面は地上から4mの高さにあり、ポンプの入口は地上から0.5mの高さにある。塔内の液体の密度は0.9である。このとき、ポンプの入口における静圧を求めよ。
Reply #22015-09-16
3.15kg/m2---------------------------------
Reply #32015-09-16
塔底の液面は地上から4mの高さにあり、ポンプの入口は地上から0.5mの高さにある。塔内の液体の密度は0.9である。このとき、ポンプの入口における静圧を求めよ。 P=ρgh=0.9*1000*9.81*(4-0.5)= 30.9 kpa これで正しいですか。。。
Reply #42015-09-16
1000×0.9×9.81×(4 - 0.5) = 30901.5Pa = 30.9 kPa
Reply #52015-09-16
P表=30.9kpa p絶=313kpa
Reply #62015-09-16
900*9.81*(4-0.5)=30901.5Pa
Reply #72015-09-16
P=ρgh=0.9*1000*9.81*(4-0.5)= 30.9 kPa
Reply #82015-09-16
P=ρgh=0.9*1000*9.81*(4-0.5)= 30.9 kPa
Reply #92015-09-16
p=ρgh=1000×0.9×9.81×(4 - 0.5) = 30901.5Pa

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