Estimate the ?owrate of natural gas

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Assignment:

On September 9, 2010, a commercial steel natural gas transmission pipeline, owned and operated by the Paci?c Gas and Electric Company (PG&E), ruptured in San Bruno, California. The inside pipe diameter was 30 inches and the pressure 11.2 km upstream was 400 psia. The temperature was 64 F (524 R).

a. Estimate the ?owrate of natural gas in kg/s under the assumption of a full-bore rupture. You may assume that the interior of the pipe could be described as having general rust.

b. Was the ?ow choked?

Reference no: EM133252153

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