Calculation of charging and discharging time problem

2016-07-05View Original

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There is a container with a volume of 4200 m3, equipped with a DN50 mm orifice plate on one side to connect to the atmosphere. When the container pressure drops to 0.5 kpag, a fan with a capacity of 7200 m3/h is started to blow air into the container. Stop blowing air when the container pressure rises to 3 kpag. Question: For how long does the blower need to be running during this process in order to meet the requirements?

Reply #22016-07-05

Is it calculated as 7200*1.29 - G*S*dt = -dp * V/R/T*M?

Reply #32016-07-05

The amount of gas required can be calculated using the ideal gas law, and then it is divided by the flow rate

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Calculation of charging and discharging time problem

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