Mine Ventilation System

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	Engineering Software since 1985
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		ICAMPS MineVent Ventilation System Analysis
		The ICAMPS MineVent module uses expanded versions of the Penn State University PENVENT and US Bureau of Mines MFIRE ventilation programs. As-mined and projected timing maps serve as the basis for drawing to-scale ventilation schematic diagrams. Using AutoCAD snap features the planner designates nodes in the ventilation network. Except for the atmospheric nodes, each node must be assigned a unique number. The system prevents duplicate node numbers. The user connects the nodes with polylines which represent the actual branch airway path. The branch must have a start node and end node but you can have dummy nodes in between so that the actual branch path is used and the branch length can be calculated for use in the resistance formulas (see figure below). The branch length can also be typed in manually when calculating resistances. Each branch polyline has an associated attribute block that contains airway properties such as size, perimeter and surface roughness factor. Since the schematic is drawn to scale, the system can automatically compute the branch length and use the airway characteristics to calculate the branch resistance. The system has many features to simplify editing schematics and enhancing the ventilation diagram. All changes to a schematic drawing are stored permanently.	Prices Demo
		Figure 1: Resistance Formula Dialog Box
		Output consists of color coded schematics diagrams with branch quantities and node pressures displayed as shown below. The schematic can be plotted separately or superimposed on mine maps. The output also includes information for setting regulators. If the network analysis program yields unsatisfactory results or fails to converge, the system has numerous diagnostic features to help the user correct the schematic. The system has features that let the engineer highlight problem areas of the schematic based on the output.
		Figure 2: Typical Ventilation Schematic
		More MineVent Features
		Windows Dialog Box Interface Move Node Find Node List Nodes List Unused Nodes Read Node File Write Node File Creating Fan Files 3 to 10 Point Fan Curves List Fans Multiple Seam Support Define and Modify Branches Move/Stretch Branches Copy Branches Check for Duplicate Branches List Branches Calculate Resistances 12 Formulas Global Resistance Change Global K Factor Change Global C Value Change Draw Quantity/Pressure Output on Schematic Draw Gas Output on Schematic List Pressure Output List Quantity Output List Pressure Drops Display Mesh Correction -> Highlight Problem Meshes Review Output Diagnostics Reverse Negative Branches Edit Schematic & Change Sizes Check Surveyed Data

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