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- W2309407745 abstract "This paper examines the ventilation network problem from a viewpoint of solving a system of B equations in B unknowns, where B is the number of branches in the network. Based on Kirchoff's current and voltage laws, the solution to the general ventilation network problem must satisfy B network equations. In this paper, the air quantities and control-device pressures are chosen as variables and are grouped into B dependent variables (unknowns) and B independent variables, resulting in a system of B equations in B unknowns. Based on whether their variables are dependent or independent, the network branches are classified into four types: fixed, non-fixed, p-fixed, and q-fixed. The ventilation network problem may include all four types of branches. There are some conditions under which the problem as defined in this manner does not have a unique solution. To have a unique solution, the Jacobian matrix of the equations must be nonsingular." @default.
- W2309407745 created "2016-06-24" @default.
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- W2309407745 date "1990-12-01" @default.
- W2309407745 modified "2023-09-27" @default.
- W2309407745 title "Solving mine ventilation networks with fixed and non-fixed branches" @default.
- W2309407745 hasPublicationYear "1990" @default.
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