General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
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GB/T 27698.4-2023
Introduction
The GB/T 27698.4-2023 is a standard that specifies the testing method for the performance of heat exchangers and heat transfer components, specifically focusing on the measurement of noise generated by air coolers.
Noise pollution is a significant concern in various industries, including power plants, industrial processes, and automotive applications. The accurate measurement and evaluation of noise levels are crucial to ensure compliance with environmental regulations and to provide a safe and comfortable working environment for individuals.
This standard provides guidelines for conducting noise tests on air coolers, which are widely used in industries for cooling purposes. It outlines the necessary instrumentation and procedures to measure the noise generated by these heat transfer components.
The GB/T 27698.4-2023 standard covers the measurement of noise in different operating conditions, including various airflows, temperatures, and fan speeds. It also defines the testing environment and requirements for the instrumentation used, ensuring consistent and reliable results.
By adhering to the guidelines outlined in this standard, manufacturers and users of air coolers can ensure that the noise emitted by these devices is within acceptable limits. This enables them to mitigate the impact of noise pollution, improve worker safety, and meet regulatory requirements.
Overall, the GB/T 27698.4-2023 standard provides a comprehensive and standardized approach to measuring and evaluating the noise generated by air coolers, facilitating the development of quieter and more efficient heat transfer components.
GB/T 27698.4-2023 history
2023GB/T 27698.4-2023 Performance Test Methods for Heat Exchangers and Heat Transfer Elements Part 4: Determination of Air Cooler Noise
2011GB/T 27698.4-2011 Test method for the performance of heat exchangers and heat exchange element.Part 4:Spiral heat exchanger