GB/T 40261.2-2021 Ergonomics of the thermal environment—Evaluation of thermal environments in vehicles—Part 2:Evaluation of thermal comfort using human subjects

Scope

This part of GB/T 40261 provides guidelines for evaluating thermal comfort in vehicles using subjects, and specifies a standard experimental method. This part establishes general principles for thermal environment assessment and evaluation, not limited to any specific type of vehicle. The methods specified in this part determine the performance of vehicles under concerned conditions based on whether they can provide thermal comfort for people, and are used in the development and evaluation of vehicles. This part applies to various types of vehicles, including cars, buses, trucks, off-road vehicles, trains, airplanes, ships, submarines, cabins of cranes, and similar spaces. It applies to situations where people are confined in vehicles and exposed to external environments. For people exposed to external conditions, such as bicycle and motorcycle riders, convertible car drivers, and forklift operators without cabins, vehicle speed and weather will dominate human responses. The evaluation principles of this part also apply. This part applies to passengers and operators of vehicles whose application does not affect the safe operating conditions of the vehicles. This part establishes principles for thermal comfort assessment and evaluation, including test methods and the use of subject experiments. At the same time, this part also provides subjective methods for evaluating thermal environmental comfort. This part belongs to basic ergonomics standards, which helps in the development of standards related to specific vehicles and products.

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