Title page for ETD etd-11152013-040143

Type of Document Master's Thesis
Author Koo, Shiun Ming
URN etd-11152013-040143
Title A study of the factors that affect the permeability of coal
Degree Master of Science
Department Mining Engineering
Advisory Committee
Advisor Name Title
C. T. Holland Committee Chair
C. Shelton Committee Member
W. E. Foreman Committee Member
  • Coal
Date of Defense 1960-07-05
Availability restricted

The broad problem of coal bed degasification of which this study is a small part, deserves attention for the following reasons: (1) Mine personnel safety, (2) Economical recovery of the gas. Physically, the gas is liberated in the coal mines because of two conditions. These are:(1) somewhere in the coal bed itself, the gas is under a force or pressure which is larger than atmosphere pressure and which drives the gas toward an opening, and (2) the coal will permit the gas to flow through it. In order to study the interaction of these two conditions, the permeability of coal is of 1mportance.

  Filename       Size       Approximate Download Time (Hours:Minutes:Seconds) 
 28.8 Modem   56K Modem   ISDN (64 Kb)   ISDN (128 Kb)   Higher-speed Access 
[VT] LD5655.V855_1960.K66.pdf 5.79 Mb 00:26:48 00:13:47 00:12:03 00:06:01 00:00:30
[BTD] next to an author's name indicates that all files or directories associated with their ETD are accessible from the Virginia Tech campus network only.

Browse All Available ETDs by ( Author | Department )

dla home
etds imagebase journals news ereserve special collections
virgnia tech home contact dla university libraries

If you have questions or technical problems, please Contact DLA.