A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Face ventilation in underground bituminous coal mines -- Airflow characteristics of flexible, spiral-reinforced ventilation tubing
Methods and results of studies to determine friction and shock losses encountered in auxiliary face ventilation systems utilizing flexible, spiral-reinforced ventilation tubing are presented; results, tabulated in graphic form, simplify fan selection and enable mine operators to design adequate auxiliary ventilation systems; sample problem illustrates use of graphs.
Face ventilation in underground bituminous coal mines -- Airflow characteristics of flexible, spiral-reinforced ventilation tubing
Methods and results of studies to determine friction and shock losses encountered in auxiliary face ventilation systems utilizing flexible, spiral-reinforced ventilation tubing are presented; results, tabulated in graphic form, simplify fan selection and enable mine operators to design adequate auxiliary ventilation systems; sample problem illustrates use of graphs.
Face ventilation in underground bituminous coal mines -- Airflow characteristics of flexible, spiral-reinforced ventilation tubing
U S Bur Mines -- Report Investigations
Peluso, R.G. (author)
1968
13 pages
Report
English
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Face ventilation in underground bituminous coal mines
| Engineering Index Backfile | 1969
Face ventilation in underground bituminous coal mines
| Engineering Index Backfile | 1966