Abstract
The fundamentals of pump operation were treated in the foregoing chapters. Three particular aspects are discussed in the present chapter. The first is evaporation of the fluid when the pressure inside the pump becomes lower than the vapour pressure. Cavities with vapour then emerge and the phenomenon is generally described as cavitation. The second concerns starting up. Priming is necessary. This is filling the pump and the suction pipe with the liquid to be pumped. Some pumps are self-priming. The third topic is the intersection of the pump characteristic with the load characteristic, which mostly has a large static part. The intersection does not necessarily result in a stable operating point. Cavitation, priming and stability are discussed in the present chapter. Further topics are shaping of the components, constructional aspects and pump examples. The focus is on centrifugal pumps, because this pump type is the most common one.
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Dick, E. (2022). Pumps. In: Fundamentals of Turbomachines. Fluid Mechanics and Its Applications, vol 130. Springer, Cham. https://doi.org/10.1007/978-3-030-93578-8_8
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DOI: https://doi.org/10.1007/978-3-030-93578-8_8
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