GB/T 40261.1-2023 Ergonomics of thermal environment—Evaluation of thermal environments in vehicles—Part 1:Principles and methods for assessment of thermal stress and determination of equivalent temperature

Scope

This document provides an assessment method for thermal stress inside vehicles in land, sea, and air transportation fields. It provides information on different methods for assessing hot, cold, and moderate thermal environments inside vehicles, specifies specific requirements for vehicle climate assessment, and describes the method of determining equivalent temperature in vehicle thermal environments. This document is applicable to the thermal environment inside vehicle cabins, as well as other enclosed spaces with asymmetric climate conditions. The equivalent temperature determination method in this document is primarily suitable for assessing thermal environments that deviate little from the thermal neutral state, and it is also applicable to testing the performance of HVAC systems in vehicles or similar enclosed spaces.

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