 |
|
|
|
 |
|
||
 |
 |
 |
|
 |
|
||
 |
|
||
 |
|
||
 |
|
||
 |
|
||
 |
|
||
 |
|
||
 |
|
||
 |
|
||
Thermal Work Limit
Thermal Work Limit (TWL), now included in the AIOH Heat Stress Standard, is a rational heat stress index that calculates the "limiting" metabolic (work) rate that moderately fit and healthy, euhydrated, acclimatised persons can sustain in any given environment and takes into account all the relevant environmental factors (air temperature, wind speed, radiant heat, relative humidity and barometric pressure), clothing insulation and vapour permeation and user-defined limits on allowable sweat rates and deep body core temperatures. TWL has become the de-facto standard in underground mines in Australia, probably the most adverse occupational setting for heat stress in Australia. However, it can easily be applied to sporting or other environments.
A full copy of the model and other heat stress evaluation tools is also available from MVA. This HotWork™ software is also available in an evaluation version. See the "Products" page for further information.
D.J. Brake PhD Thesis
Abstract from The Deep Body Core Temperatures, Physical Fatigue and Fluid Status of Thermally stressed Workers and the Development of Thermal Work Limit as an Index of Heat Stress, PhD thesis, Curtin University by D. J. Brake, 2002
Full Thesis
You can download the full thesis by clicking on the link below.
http://adt.curtin.edu.au/theses/available/adt-WCU20030214.133140/
More information on Thermal Work Limit can be obtained from this link to Pointhealth Pty Ltd
http://www.pointhealth.com.au/
