A practical model for the assessment of thermal comfort in train carriages

A practical model has been developed for the assessment of human thermal comfort in rail carriages. The PMV model is based upon the existing ISO 7730 standard for assessing moderate thermal environments (PMV: Fanger 1970), with correction factors to account for the extreme environmental stimuli that may be experienced by some passengers seated next to windows (i.e. exposure to direct solar radiation or the effects of a cold window). Three sets of laboratory experiments and four field trials were conducted. Environmental conditions and mean skin temperature were recorded and thermal rating questionnaires filled in by participants. [Continues.]