Sentence examples for coals matrix from inspiring English sources

On the contrary, the 5H-form and 0.02H-form coals matrix has been partially freed from those inorganic matters to different extents, thus forming fairly abundant and small pores.

The brittle property of coal matrix and overflushing operation make the migration of coal fines inevitable.

Accordingly, the effect of coal matrix shrinkage caused by water desorption will increase the dynamic permeability in coal reservoirs.

But the FVS effect is relatively weak as coal matrix shrinkage can improve the reservoir permeability to a large degree.

Furthermore, based on the proposed permeability model, the influence of relative humidity in coal matrix was seriously paid attention.

We apply a double porosity poromechanical model that captures the influence of the coal matrix adsorptive-mechanical properties on the overall response of reconstituted granular coal specimens.

For the investigated coals, the CT number of minerals, pores and coal matrix are approximately 3000, < 600 and 1000 1600 Hounsfield unit (HU), respectively.

The presence of micropores and relatively low hydrophobic nature of lignitic coal lead to trapping of large quantities of water in the coal matrix especially in fine sizes.

Experimental results presented in this paper indicate that coal devolatilization products convectively remove a fraction of the nonvolatile components of inorganic material atomically dispersed in the coal matrix.

This difference may be due to the competition between the different mechanisms of gaseous methane diffusion and the swelling of the coal matrix caused by gas adsorption.

Although macro-, meso-, and micropores are present in the coal matrix, it is thought that the micropores are where most methane adsorption occurs.