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Reliability and availability analysis of the serial processes in skim milk powder system of a dairy plant: a case study

Author

Listed:
  • Anil Kr. Aggarwal
  • Sanjeev Kumar
  • Vikram Singh

Abstract

In this paper, a numerical method is proposed to compute the long run availability and reliability with mean time between failures (MTBF) for skim milk powder system of a dairy plant. It is a complex system and comprises of six repairable subsystems viz. chiller, cream separator, pasteuriser, evaporator, drying chamber and packaging sub-systems arranged in series or parallel configurations. This analysis is based on Markov birth-death process and by assuming that the failure and repair rate of each subsystem follows exponential distribution. Mathematical formulation of the system is carried out and Chapman-Kolmogorov differential equations are derived, a numerical method, i.e., Runge-Kutta fourth order method is used to solve these differential equations. The results are presented and discussed with the plant personnel to adopt and practice suitable maintenance policies/strategies to enhance the productivity of skim milk powder system.

Suggested Citation

  • Anil Kr. Aggarwal & Sanjeev Kumar & Vikram Singh, 2016. "Reliability and availability analysis of the serial processes in skim milk powder system of a dairy plant: a case study," International Journal of Industrial and Systems Engineering, Inderscience Enterprises Ltd, vol. 22(1), pages 36-62.
    • Handle: RePEc:ids:ijisen:v:22:y:2016:i:1:p:36-62
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