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Availability Study of a Polyethylene Plant

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Reliability Data Collection and Use in Risk and Availability Assessment

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Abstract

The block grouping method was used in an availability study of a low-density polyethylene plant in Italy divided into nine sub-systems for the purpose of analysis. The mean times to failure and repair were taken from the plant’s break down data sheet.

Breakdown data were analysed using the normal, log-normal and Weibull’s distribu tions. Times between failures were best approximated with the Weibull distribution, wereas repair time were best fitted with the long-normal distribution. Lastly, an estimate was made of the overall availability. This was found to be in good agreement with the actual availability.

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References

  1. D.H.Cherry, J.C.Crogan, W.A.Holmes and F.A.Perris, “Availability Analysis for Chemical Plants”, CEP, 74, 55 (1978).

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  2. A.Z.Keller and N.A.Stipho, “Reliability Analysis of a Chlorine Product Plant” 2nd National Reliability Conf., U.K., March 1979.

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  3. N.Piccinini and U.Anatra, “Intermediate Tank as a Way of Increasing Plant Availability”, I. & EC Fundamentals,33 206 (1983).

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  4. A.E.Green and A.J.Bourne, “Reliability Technology”, Wiley J. and Sons, London 1972.

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  5. F.J.Massey, “The Kolmogorov-Smirnov Test for Goodness of Fit”, J. Am. Statist Assoc., 16, 68 (1951).

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Author information

Authors and Affiliations

  1. Enichem, Assago (MI), Italy

    D. Barone

  2. Dipartimento Scienza dei Materiali e Ingegneria Chimica, Politecnico di Torino, Italy

    L. Negro & N. Piccinini

Authors
  1. D. Barone
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  2. L. Negro
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  3. N. Piccinini
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Editor information

Editors and Affiliations

  1. NUKEM GmbH, Rodenbacher Chaussee 6, P.O. Box 110080, 6450, Hanau 11, Germany

    Hans Jörg Wingender

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© 1986 Springer-Verlag Berlin, Heidelberg

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Barone, D., Negro, L., Piccinini, N. (1986). Availability Study of a Polyethylene Plant. In: Wingender, H.J. (eds) Reliability Data Collection and Use in Risk and Availability Assessment. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-82773-0_33

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  • DOI: https://doi.org/10.1007/978-3-642-82773-0_33

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-642-82775-4

  • Online ISBN: 978-3-642-82773-0

  • eBook Packages: Springer Book Archive

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