Psychrometric analysis of ventilating air at Middle Anatolian lignite mine (OAL), Turkey

CIM Bulletin, Vol. 85, No. 964, 1992
U.Y. Onder and T. Guyaguler, Middle East Technical University, Ankara, Turkey
Abstract This study investigated the psychrometric properties of ventilating air in OAL coal mines. Related measurements were done in underground openings and have been arranged as input data for computer programs prepared for ventilation network and psychrometric analysis.
Results obtained from network analysis have been used for psychrometric analysis of ventilating air. Changes in heat and moisture content of air in two major paths between entry and discharge of ventilating air have been investigated. Psychrometric processes occurring in the mine were determined and are shown graphically in Figures 1 and 2. Special attention has been given to determine the changes in psychrometric properties and processes involved in the faces. Results are outlined in this paper.
Keywords: OAL Mines, Psychrometric analysis, Ventilation
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