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Computer simulation of the hydraulic milking method

Published online by Cambridge University Press:  01 June 2009

M. Clare Butler and
Robert J. Grindal
M. Clare Butler
Affiliation:
Silsoe Research Institute, Wrest Park, Silsoe MK45 4HS, UK
Robert J. Grindal
Affiliation:
Silsoe Research Institute, Wrest Park, Silsoe MK45 4HS, UK
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Summary

A mathematical model of the interactions within a milking machine teatcup has been developed, which describes the relationship between liner wall movement, pressures and flow rate when milking without an air inlet. It is based on equations of motion for a column of incompressible fluid and requires a second-order, non-linear differential equation to be solved. Incorporating a non-return valve allows hydraulic milking to be modelled, and the comparison between predicted and measured pressures, flow rates and liner wall movement when milking hydraulically is shown. The model can be used to optimize milking conditions to reduce vacuum peaks, improve liner opening and thus maximize flow rate.

Information

Type
Original Articles
Information
Journal of Dairy Research , Volume 59 , Issue 3 , August 1992, pp. 253 - 264
Copyright
Copyright © Proprietors of Journal of Dairy Research 1992

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References

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