Chasm Consulting has released Ventsim™ 4.5, the latest version of the best-selling Ventsim mine ventilation simulation software. Chasm says it “is a major release and includes many new features and improvements to help you build better models, create more accurate simulations and save time and money.

New features of Ventsim 4.5 include:

• Over 100 improvements in features, stability, user interface and performance
• Multiple Backups – automatically create and access multiple backups of your Ventsim models
• “Stages” Improvements – improvements to usability, performance and stability
• Ventilation Audit Form – ensure that your model meets engineering/ventilation requirements and standards.
• Thermal “Flywheel” Simulation – simulate temperature variations between day and night
• Full Diesel Emission Modelling – model and estimate a full range of diesel emissions including CO, CO2, NO2, NOx, diesel gases and DPM
• Path Selection Tool – automatically select paths through your model based on shortest distance, path of least resistance (airflow) or free splits (minimum pressure loss) between two points in model.
• Improved Graphical Scaling and Reference Management tools.