pressure at 30 m lower gauge = fluid pressure + (density of fluid * acc due to gravity * height).
pressure at 30 m high gauge = fluid pressure
----- Original Message -----
From: Pablo J Acelajado
To: materials-welding@googlegroups.com
Sent: Sun, 27 Feb 2011 16:10:19 +0530 (IST)
Subject: [MW:10041] RE: 10032] hydro test
February 27, 2011 Hi! Pressure is equal to height x density. P (psi) = [30 meters x 3.28 ft/ meter x 12 inches/ft] x [62.4 pounds per cu. ft. x 1/1728] = 42.64 psi, which is roughly equal to 3 bars. Best regards. PJA
Sent: Saturday, February 26, 2011 9:59 PM
To: materials-welding@googlegroups.com
Subject: [MW:10032] hydro test
| Dear experts, Could you explain me that why there is big difference pressures between two gauges installed while hydro testing? The first pressure gauge shows 3barg less than the one installed in 30meters above. regards Ilan |
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