Permeability Enhancement and Methane Drainage Capacity of Tree-type Boreholes to Stimulate Low-permeability Coal Seams
Sign Up to like & getrecommendations! Published in 2020 at "Arabian Journal for Science and Engineering"
DOI: 10.1007/s13369-020-04961-1
Abstract: Low permeability coal makes methane control in underground coal mines difficult. Drilling tree-type boreholes is a new method for improving the permeability of coal seams to stimulate cross-measure boreholes drainage. This paper presents an analysis… read more here.
Keywords: permeability; drainage; methane; type boreholes ... See more keywords
Preprojective algebras of tree-type quivers
Sign Up to like & getrecommendations! Published in 2019 at "Communications in Algebra"
DOI: 10.1080/00927872.2018.1476521
Abstract: Abstract Let be the path algebra of a tree-type quiver Q, and λ be a nonzero element in a field . We construct irreducible morphisms in the Auslander–Reiten quiver of the transjective component of the… read more here.
Keywords: preprojective algebras; type quivers; algebras tree; type ... See more keywords
A TREE-TYPE CYLINDRICAL-SHAPED NANOPOROUS FILTERING MEMBRANE
Sign Up to like & getrecommendations! Published in 2018 at "Frontiers in Heat and Mass Transfer"
DOI: 10.5098/hmt.10.16
Abstract: A tree-type cylindrical-shaped nanoporous filtering membrane is proposed. Across the thickness of this membrane are manufactured two kinds of pores i.e. one trunk pore and four uniform branch pores, these two kinds of pores have… read more here.
Keywords: branch; type cylindrical; shaped nanoporous; cylindrical shaped ... See more keywords
PERFORMANCE OF THE OPTIMIZED TREE-TYPE CYLINDRICAL-SHAPED NANOPOROUS FILTERING MEMBRANES WITH 9 OR 10 BRANCH PORES IN EACH PORE TREE
Sign Up to like & getrecommendations! Published in 2018 at "Frontiers in Heat and Mass Transfer"
DOI: 10.5098/hmt.11.26
Abstract: The paper analytically studies the performance of the optimized tree-type cylindrical-shaped nanoporous filtering membranes with 9 or 10 branch pores in each pore tree. The optimum ratio of the radius of the trunk pore to… read more here.
Keywords: optimized tree; performance optimized; branch; type cylindrical ... See more keywords