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Mining Publication: Effects of Mine Strata Thermal Behavior and Mine Initial Temperatures on Mobile Refuge Alternative Temperature
Keywords: Refuge chambers Temperature
Original creation date: April 2017
Authors: DS Yantek, L Yan, P Bissert, MD Klein
Peer Reviewed Journal Article - April 2017
Go to Web Page
NIOSHTIC2 Number: 20049624
Min Eng 2017 Apr; 69(4):41-48
The model was used to examine the effects of the constant mine strata temperature assumption, initial mine air temperature, initial mine strata surface temperature (MSST), initial mine strata temperature at depth (MSTD) and mine strata thermal behavior on RA internal air temperature using 117 W (400 Btu/h) of sensible heat input per simulated miner. For the studied RA, when the mine strata temperature was treated as a constant, the final predicted RA internal air temperature was 7.1 degrees C (12.8 degrees F) lower than it was when the mine strata thermal behavior was included in the model. A 5.6 degrees C (10 degrees F) increase in the initial MSST resulted in a 3.9 degrees C (7.1 degrees F) increase in the final RA internal air temperature, whereas a 5.6 degrees C (10 degrees F) increase in the initial MSTD yielded a 1.4 degrees C (2.5 degrees F) increase in the final RA internal air temperature. The results indicate that mine strata temperature increases and mine strata initial temperatures must be accounted for in the physical testing or thermal simulations of RAs.
Cover image for Effects of Mine Strata Thermal Behavior and Mine Initial Temperatures on Mobile Refuge Alternative TemperaturePeer Reviewed Journal Article - April 2017
Go to Web Page
NIOSHTIC2 Number: 20049624
Min Eng 2017 Apr; 69(4):41-48
See Also
Analysis of Heat Loss Mechanisms for Mobile Tent-Type Refuge Alternatives
Announcing Two New Sister Publications on Refuge Alternatives
Emergency Escape and Refuge Alternatives
Estimation of Metabolic Heat Input for Refuge Alternative Thermal Testing and Simulation
Investigation of Temperature Rise in Mobile Refuge Alternatives
Portable Refuge Alternatives Temperature and Humidity Tests
Prediction of Human Core Temperature Rise and Moisture Loss in Refuge Alternatives for Underground Coal Mines
Refuge Alternatives in Underground Coal Mines
Technology News 537 - NIOSH Develops New Mine Refuge Chamber Training
Temperature Rise Within a Mobile Refuge Alternative (RA) - Experimental Investigation and Model Validation
Page last reviewed: January 18, 2018
Page last updated: January 18, 2018
Content source: National Institute for Occupational Safety and Health, Mining Program
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