Standard No.:	GB/T 27698.7-2011
English Name:	Test method for the performance of heat exchangers and heat exchange element—Part 7:Measurement of noise from air-cooled heat exchangers
Chinese Name:	热交换器及传热元件性能测试方法 第7部分：空冷器噪声测定
Chinese Classification:	J75    Heat-exchange equipment
Professional Classification:	GB    National Standard
ICS Classification:	27.060.30 27.060.30    Boilers and heat exchangers 27.060.30
Issued by:	AQSIQ; SAC
Issued on:	2011-12-30
Implemented on:	2012-6-1
Status:	superseded
Superseded by:	GB/T 27698.4-2023 Test methods for the performance of heat exchangers and heat exchange elements—Part 4: Measurement of noise from air-cooled heat exchangers
Superseded on:	2023-5-23
Language:	English
File Format:	PDF
Word Count:	16000 words
Price(USD):	480.00
Delivery:	via email in 1~5 business day

GB/T27698的本部分规定了空冷器噪声A 声级、倍频程声压级和声功率级的测定方法。
本部分适用于管束水平放置的引风式空冷器、鼓风式空冷器。斜顶式、湿式、干湿联合式及其他型式空冷器的噪声测定方法可参照本部分进行。本部分不适用于产生噪声的单个部件(如叶轮、传动装置和电动机等)。
1.2.2 本部分所规定的测定类型包括两种:
a) 出厂测试:即制造厂在产品出厂前对单独一跨的噪声测定;
b) 现场测试:即在现场装置上对一个单元的噪声测定。