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TECHNICAL PAPERS

Pressure Transients Across Constrictions

[+] Author and Article Information
Michael A. Adewumi, E. S. Eltohami, W. H. Ahmed

Petroleum Engineering Department, The Pennsylvania State University, 102 Mineral Science Building University Park, PA 16802

J. Energy Resour. Technol 122(1), 34-41 (Dec 03, 1999) (8 pages) doi:10.1115/1.483159 History: Received March 15, 1999; Revised December 03, 1999
Copyright © 2000 by ASME
Topics: Pressure , Fluids , Pipes
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References

Figures

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Inlet pressure response for continuous sudden area change and no blockage
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The pressure profiles along a pipe with a sudden continuous blockage at 0.6 m (profiles are 427 μs apart)
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The mass flux profiles along a pipe with sudden continuous blockage at 0.6 m from the inlet (profiles are 427 μs apart)
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(a) Pipe with blockage type of sudden continuous area change; (b) pipe with blockage of normal type; (c) pipe with blockage type of limited sudden area change
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(a) The square compression pulse at the inlet; (b) the compression pulse at the inlet; (c) the expansion pulse at the inlet
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The pressure profiles along a pipe with no blockage (profiles are 427 μs apart)
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The mass flux profiles along a pipe with no blockage (profiles are 427 μs apart)
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Inlet pressure response for normally distributed blockage and no blockage
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Inlet pressure response for a sudden limited blockage starting at 0.6 m from the inlet and 487 ft long (compression at inlet)
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Inlet pressure response for a sudden limited blockage starting at 0.6 m from the inlet and 487 ft long (expansion at inlet)
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Predicted versus actual location for continuous sudden area change
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Predicted versus actual blockage severity for continuous sudden area change starting at 0.6 m from the inlet
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Predicted versus actual location of throat for normally distributed blockage
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Predicted versus actual standard deviation for throat at 0.6 m from the inlet
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Predicted versus actual location for limited sudden area change
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Predicted versus actual extent for limited sudden area change
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Actual blockage severity versus percentage error for limited sudden area change starting at 0.6 m from the inlet

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