Add to ORKGThe design of a nucleonic, coal interface detector which measures the depth of coal on the roof and floor of a coal mine is presented. The nucleonic source and the nucleonic detector are on independent hydropneumatic suspensions to reduce the measurement errors due to air gap
The borehole hydraulic coal mining system accesses the coal seam through a hole drilled in the overb...
During the first quarter, preliminary testing demonstrated the ability of ultrasonically enhanced co...
Prepared for U.S. Dept. of Mines, Bureau of MinesAlso issued as a M.S. thesis in the Dept. of Nuclea...
The capability of a natural background sensor for measuring the thickness of top coal on a longwall ...
A device whereby water jets can be used to detect the interface between coal and the overlying roof ...
One approach for detection of the coal interface is measurement of pick cutting loads and shock thro...
New fundamental interface sensor concepts were identified and investigated including tabulation of t...
A measurement system was developed for the Eickhoff longwall shearer to determine the contour of the...
The cost of mining coal using a room pillar mining method with continuous miner and a longwall minin...
"An important element of the U.S. Bureau of Mines (USBM) mining research program is the development ...
A noncontacting sensor having a measurement range of 0 to 6 in or more, and with an accuracy of 0.5 ...
Techniques for achieving continuous coal sprays were studied. Coazial injection with gas and pressur...
Controlling float coal dust in underground coal mines before dispersal into the general airstream ca...
The longwall guidance and control (G&C) system was evaluated to determine which systems and subsyste...
Underground coal mining practice often requires that some coal be lift in place at the seam boundari...
The borehole hydraulic coal mining system accesses the coal seam through a hole drilled in the overb...
During the first quarter, preliminary testing demonstrated the ability of ultrasonically enhanced co...
Prepared for U.S. Dept. of Mines, Bureau of MinesAlso issued as a M.S. thesis in the Dept. of Nuclea...
The capability of a natural background sensor for measuring the thickness of top coal on a longwall ...
A device whereby water jets can be used to detect the interface between coal and the overlying roof ...
One approach for detection of the coal interface is measurement of pick cutting loads and shock thro...
New fundamental interface sensor concepts were identified and investigated including tabulation of t...
A measurement system was developed for the Eickhoff longwall shearer to determine the contour of the...
The cost of mining coal using a room pillar mining method with continuous miner and a longwall minin...
"An important element of the U.S. Bureau of Mines (USBM) mining research program is the development ...
A noncontacting sensor having a measurement range of 0 to 6 in or more, and with an accuracy of 0.5 ...
Techniques for achieving continuous coal sprays were studied. Coazial injection with gas and pressur...
Controlling float coal dust in underground coal mines before dispersal into the general airstream ca...
The longwall guidance and control (G&C) system was evaluated to determine which systems and subsyste...
Underground coal mining practice often requires that some coal be lift in place at the seam boundari...
The borehole hydraulic coal mining system accesses the coal seam through a hole drilled in the overb...
During the first quarter, preliminary testing demonstrated the ability of ultrasonically enhanced co...
Prepared for U.S. Dept. of Mines, Bureau of MinesAlso issued as a M.S. thesis in the Dept. of Nuclea...