Announcements

Announcements about the website

A New Two-Zone Flash-Based Tutorial

I just added a new Flash-based tutorial on the two-zone mass balance model. This tutorial allows you to interactively explore the effect of different parameters on the transport of pollution generated in one room to an adjacent room. In the future, I will be adding more Flash-based tutorials, and I will create Flash simulations of secondhand smoke exposure aimed at different audiences.

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Free Custom Simulations Available

The creator of this website, Dr. Neil Klepeis, is available to perform custom simulations of tobacco smoke exposure for policy or education purposes -- in most cases free of charge. This service is intended to assist those website visitors who may want to explore a specific exposure situation or who may want to compare a variety of different potential exposures, such as those taking place in sophisticated multizone environments or involving prescribed human activity patterns.

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Added Particle Deposition

I've added particle deposition to the simulations. The inclusion of particle loss due to deposition onto surfaces doesn't change the results very much, but it is a well known phenomena that acts to reduce airborne levels of SHS particles. Ventilation is usually a much stronger factor than deposition in removing SHS particles from a given location.

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