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A tracer gas technique for the measurement of airflow in headings.

Higgins J. Shuttleworth S.E.H., 1958
tracer gas | nitrous oxide
Bibliographic info: Colliery Engng. vol 35. p483-487
Languages: English

Describes method of measuring air flow in mines using nitrous oxide as a tracer gas. Examines two methods of measuring airflow, releasing a continuous stream of a gas and releasing a known quantity of gas. Describes laboratory study andunderground tests of method. Concludes that technique is reliable and accurate.

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