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2 Zeszyty Naukowe Politechniki Świętokrzyskiej. Nauki Techniczne

2 2008

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Numerical simulation of a dynamical behaviour of a natural gas compressor station

100%

Knizat B. , Varchola M.

2008

tom Z. 10, Vol. 2

263-269

The paper deals with a problem of a cooperation of more compressors connected in parallel or connected in series. During the start or the failure of a compressor operation points of working compressors are influenced and can move to a forbidden area. These transient effects are very dangerous and can cause a destruction of a pipeline system and decrease a lifetime.

An influence of an impeller and spiral casing geometry on the radial thrust of a pump

80%

Varchola M. , Toth P. , Knizat B.

2008

tom Z. 10, Vol. 1

93-100

At the instance of the quantity of experimental results and created mathematical model the influence of the impeller and the spiral casing size on the vector of a radial force is discussed in this paper. By the detailed analysis we descended to certain generalisations, which are applicable in the design of a pump. Inscribed analysis is the theme of this article.