Milking System Dynamics. 2. Analysis of Vacuum Systems

J. Tan, K. A. Janni, R. D. Appleman

Research output: Contribution to journalArticlepeer-review

5 Scopus citations

Abstract

The system dynamics of a milking machine vacuum system were analyzed. The effects of vacuum pump capacity, reserve tank, and pipeline sizes were examined using a mathematical model and dynamic system analysis techniques. A large vacuum pump can reduce the net pressure momentum change caused by low frequency accidental air leaks but has little effect on periodic variations. System internal volume has the opposite effect. A large internal volume can reduce periodic variations but has little effect on net pressure momentum change caused by low frequency air leaks. Air pipelines should be sized for dynamic performance and vacuum drop minimization.

Original languageEnglish (US)
Pages (from-to)2204-2212
Number of pages9
JournalJournal of Dairy Science
Volume76
Issue number8
DOIs
StatePublished - 1993

Keywords

  • CFM-SA
  • cubic feet per minute of standard air at 20°C (68°F) temperature and 101.325 kPa (30.0 in Hg) pressure
  • dynamic analysis
  • milking equipment
  • vacuum

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