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

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Issued by

State Administration for Market Regulation, China National Standardization Administration

Level / Type

National · Recommended

Issue date

May 21, 2021

Implementation date

December 1, 2021

Scope

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) is available as an English-translated PDF.

GB/T 40261.2-2021 is the Chinese standard "Ergonomics of the thermal environment - Evaluation of thermal environments in vehicles - Part 2: Evaluation of thermal comfort using human subjects".

Its scope clause reads: This part of GB/T 40261 gives guidelines for using subjects to evaluate thermal comfort in vehicles, and specifies a standard experimental method.

This section establishes the general principles of thermal environment assessment and evaluation, not limited to any specific means of transportation.

Provisions in this section Based on whether it can provide people with thermal comfort, the method determines the performance of the vehicle under the conditions of concern, and is used for the development and Evaluation.

This Part applies to various types of transportation, including cars, buses, trucks, off-road vehicles, trains, airplanes, ships, submarines, cranes, etc. The cockpit of a car and similar spaces.

It is suitable for situations when people are enclosed in vehicles and exposed to the external environment. For exposure People under external conditions, such as bicycle and motorcycle riders, convertible drivers, and forklift operators without a cockpit, etc., the vehicle speed Degree and weather will dominate the body's response.

The evaluation principles of this section also apply. This section applies to vehicle passengers and operators whose application does not affect the safe operation of the vehicle.

This section establishes the principles of thermal comfort assessment and evaluation, including the use of test methods and subject experiments. At the same time, this section also mentions Provides a subjective method for evaluating the comfort of the thermal environment.

This section belongs to the basic ergonomics standards, which is helpful for the development of standards for specific vehicles and products. Its clauses include terms and definitions.

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Document preview — GB/T 40261.2-2021

National Standard of the People's Republic of China

Classification: A 25

Issued by: State Administration for Market Regulation, China National Standardization Administration

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Use subjects to assess the vehicle environment
5 Evaluation Principle
5.1 Subjective method
5.2 Objective method
5.3 Behavior Method
5.4 Thermal comfort assessment
6 Using subject experimental design
6.1 Experiment purpose
6.2 Selection of subjects
6.3 Subject response measurement
6.4 Test condition selection
6.5 Analysis and interpretation of results
7 Experimental methods for evaluating thermal comfort in vehicles
Appendix A (Normative Appendix) Experimental methods for evaluating thermal comfort of vehicles
Appendix B (informative appendix) Sample one-page subjective survey questionnaire
Appendix C (informative appendix) Examples of using experimental methods to evaluate the thermal comfort of vehicles
Appendix D (informative appendix) Example of evaluating thermal comfort characteristics of vehicle window glass
Appendix E (informative appendix) Example of evaluating thermal comfort characteristics of vehicle seats

1 Scope

This part of GB/T 40261 gives guidelines for using subjects to evaluate thermal comfort in vehicles, and specifies a standard experimental method. This section establishes the general principles of thermal environment assessment and evaluation, not limited to any specific means of transportation. Provisions in this section

Based on whether it can provide people with thermal comfort, the method determines the performance of the vehicle under the conditions of concern, and is used for the development and

Evaluation.

This Part applies to various types of transportation, including cars, buses, trucks, off-road vehicles, trains, airplanes, ships, submarines, cranes, etc.

The cockpit of a car and similar spaces. It is suitable for situations when people are enclosed in vehicles and exposed to the external environment. For exposure

People under external conditions, such as bicycle and motorcycle riders, convertible drivers, and forklift operators without a cockpit, etc., the vehicle speed

Degree and weather will dominate the body's response. The evaluation principles of this section also apply.

This section applies to vehicle passengers and operators whose application does not affect the safe operation of the vehicle.

This section establishes the principles of thermal comfort assessment and evaluation, including the use of test methods and subject experiments. At the same time, this section also mentions

Provides a subjective method for evaluating the comfort of the thermal environment.

This section belongs to the basic ergonomics standards, which is helpful for the development of standards for specific vehicles and products.

2 Normative references

The following documents are indispensable for the application of this document. For dated reference documents, only the dated version applies to this article

Pieces. For undated reference documents, the latest version (including all amendments) is applicable to this document.

ISO 12894 Ergonomics of thermal environment Medical monitoring methods for individuals exposed to extremely high temperature or extremely low temperature environments (Ergonomics ofthethermalenvironment-Medicalsupervisionofindividualsexposedtoextremehotorcoldenvi- ronments)

ISO 13731 Ergonomic terms and symbols for thermal environment (Ergonomicsofthethermalenvironment-

Vocabularyandsymbols)

3 Terms and definitions

The following terms and definitions defined by ISO 13731 apply to this document.

3.1 Coldstress

Because the human body's heat dissipation is just equal to or greater than the thermal balance, a climate that causes significant and sometimes uncompensable physiological stress

Syndrome.

3.2 Equivalent temperature

The hypothetical average radiation temperature is equal to the temperature of a uniform “space” where the air temperature and air flow rate are zero. In this “space”, the human body passes through

GB/T 42395.1 | GB/T 40230.1 | GB/T 36606 | GB/T 18978.129 | GB/T 18048 | GB/T 40261.1 | […]

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 37 pages — is available in the English PDF.

Referenced standards

Normative references

ISO 12894 · ISO 13731

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