Edward D. Thimons, Jeffrey L. Kohler

Research output: Chapter in Book/Report/Conference proceedingChapter

1 Scopus citations


This investigation consisted of theoretical, laboratory, and in-mine investigations. The measurement devices included in the experimental phase were vane anemometer, vortex shedding anemometer, a prototype thermoanemometer, smoke tube, and oil of wintergreen sprayer. The measurement methods included single-point centerline, timed-point traverse, continuous traverse for the anemometers, and various distances and cloud positions for the smoke tube and oil of wintergreen devices. The study resulted in guidelines for measurement site selection that are applicable to most in-mine situations. It also showed that the use of correction factors is problematic. There are many potential pitfalls and there are cogent arguments against using certain correction factors. However, generalized correction factors were developed that can be successfully applied in routine ventilation work provided that their use is properly understood.

Original languageEnglish (US)
Title of host publicationReport of Investigations - United States, Bureau of Mines
StatePublished - Jan 1 1985

All Science Journal Classification (ASJC) codes

  • General Engineering


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