A computer program analysing transients in multistage pumping systems
Transient pressures subsequent to simultaneous power failure at all pumps of a multistage pumping system are analysed. Distributing pumping stations along a pipeline, rather than placing all of the required pumps within one pumping station, significantly reduces transient pressure fluctuations withi...
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ndltd-UBC-oai-circle.library.ubc.ca-2429-222502018-01-05T17:41:33Z A computer program analysing transients in multistage pumping systems Schmitt, Klaus Pumping stations Transients (Dynamics) -- Computer programs Transient pressures subsequent to simultaneous power failure at all pumps of a multistage pumping system are analysed. Distributing pumping stations along a pipeline, rather than placing all of the required pumps within one pumping station, significantly reduces transient pressure fluctuations within the system. A computer program using the FORTRAN language is developed to analyse multistage pumping systems, with appropriate surge controls, in the event of such a power failure. These surge controls consist of valves, vacuum breakers, air chambers and reservoirs; with other controls easily added as they develop. Boundary conditions determining system controls are not developed as a part of this thesis, but are described for completeness. By comparing the maximum and minimum transient pressures occurring within- single stage and multistage systems, the premise that multistage systems give significantly lower transient pressures than single stage systems is substantiated. This reduction in transient pressures allows for possible savings in costs, as pipe wall thicknesses and the size of large, expensive control structures may be reduced. Examples demonstrating the use of the program are included. Applied Science, Faculty of Civil Engineering, Department of Graduate 2010-03-22T22:22:23Z 2010-03-22T22:22:23Z 1980 Text Thesis/Dissertation http://hdl.handle.net/2429/22250 eng For non-commercial purposes only, such as research, private study and education. Additional conditions apply, see Terms of Use https://open.library.ubc.ca/terms_of_use. |
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English |
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Pumping stations Transients (Dynamics) -- Computer programs |
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Pumping stations Transients (Dynamics) -- Computer programs Schmitt, Klaus A computer program analysing transients in multistage pumping systems |
description |
Transient pressures subsequent to simultaneous power failure at all pumps of a multistage pumping system are analysed. Distributing pumping stations along a pipeline, rather than placing all of the required pumps within one pumping station, significantly reduces transient pressure fluctuations within the system.
A computer program using the FORTRAN language is developed to analyse multistage pumping systems, with appropriate surge controls, in the event of such a power failure. These surge controls consist of valves, vacuum breakers, air chambers and reservoirs; with other controls easily added as they develop. Boundary conditions determining system controls are not developed as a part of this thesis, but are described for completeness.
By comparing the maximum and minimum transient pressures occurring within- single stage and multistage systems, the premise that multistage systems give significantly lower transient pressures than single stage systems is substantiated. This reduction in transient pressures allows for possible savings in costs, as pipe wall thicknesses and the size of large, expensive control structures may be reduced.
Examples demonstrating the use of the program are included. === Applied Science, Faculty of === Civil Engineering, Department of === Graduate |
author |
Schmitt, Klaus |
author_facet |
Schmitt, Klaus |
author_sort |
Schmitt, Klaus |
title |
A computer program analysing transients in multistage pumping systems |
title_short |
A computer program analysing transients in multistage pumping systems |
title_full |
A computer program analysing transients in multistage pumping systems |
title_fullStr |
A computer program analysing transients in multistage pumping systems |
title_full_unstemmed |
A computer program analysing transients in multistage pumping systems |
title_sort |
computer program analysing transients in multistage pumping systems |
publishDate |
2010 |
url |
http://hdl.handle.net/2429/22250 |
work_keys_str_mv |
AT schmittklaus acomputerprogramanalysingtransientsinmultistagepumpingsystems AT schmittklaus computerprogramanalysingtransientsinmultistagepumpingsystems |
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1718591966450548736 |