Recent Posts

Smoke Days

7 minute read

Recently wildfire smoke has returned and blanketed the city in haze, causing the air quality health index (AQHI) to sky rocket, and as a result I’ve been spe...

Building Infiltration Example

17 minute read

A common part of emergency planning is the shelter in place. More often than not trying to outrun whatever calamity is happening at a chemical plant is more ...

Turbulent Jet Example

9 minute read

In previous examples I discussed release scenarios involving vapour clouds spreading over a large area, carried by the wind. In those examples the momentum o...

VCE Example - Butane Vapour Cloud

22 minute read

In a previous post I worked through estimating the airborne quantity of butane due to a leak from a storage sphere. That example stopped at estimating the to...