水焓值法制冷量源装置的计量特性

doi:10.11949/j.issn.0438-1157.20161375

化工学报 ›› 2016, Vol. 67 ›› Issue (S2): 100-106.DOI: 10.11949/j.issn.0438-1157.20161375

水焓值法制冷量源装置的计量特性

杭晨哲^1,2, 马国远¹, 徐定华², 许树学¹, 张海云^1,2, 滕俊恒²

1. 北京工业大学环境与能源工程学院, 北京 100124;
2. 中国计量科学研究院新能源环境计量研究所, 北京 100029

收稿日期:2016-09-29 修回日期:2016-10-10 出版日期:2016-12-30 发布日期:2016-12-30
通讯作者: 马国远
基金资助:
国家自然科学基金项目（51376010）。

Metrological characteristics of water-enthalpy method cooling capacity source

HANG Chenzhe^1,2, MA Guoyuan¹, XU Dinghua², XU Shuxue¹, ZHANG Haiyun^1,2, TENG Junheng²

1. College of Environmental and Energy Engineering, Beijing University of Technology, Beijing 100124, China;
2. Division of Energy and Environmental Measurement, National Institute of Metrology, Beijing 100029, China

Received:2016-09-29 Revised:2016-10-10 Online:2016-12-30 Published:2016-12-30
Supported by:
supported by the National Natural Science Foundation of China (51376010).

摘要/Abstract

摘要：

水焓值法制冷量源能够应用于制冷量的量值传递，提供数值可测、可控的制冷量量值。首先提出了水焓值法制冷量源原理，并在该原理基础上设计和研制了制冷量源装置的物理结构。然后在空气焓值法实验室中对制冷量源进行了实验测量，由风机功率转化实验结果可知风机消耗功率完全转化为空气焓值的增加，并可通过焓差室测量。最后对制冷量源装置进行了稳定性研究和不确定度评定，由实验结果分析可知稳态运行30 min输出制冷量标准差为22.2 W（制冷量5251.9 W），相对扩展不确定度为0.6%（k=2）。水焓值法制冷量源装置第一次从计量学角度实现了制冷量量值的溯源，输出量值可溯源至温度、压力、流量和电功率。

关键词: 制冷量, 计量学, 焓, 标准源, 测量, 稳定性, 不确定度

Abstract:

The water-enthalpy method cooling capacity source could be applied in the calibration of cooling capacity measuring apparatus. It could supply a cooling capacity which was measurable and controllable.First,the principle of water-enthalpy method was illustrated, then the physical structure of the source was designed and developed.After that, the source was experimentally investigated in an air enthalpy method test rooms, the results of the energy transformation of fan's electric power experiments showed that:the fan's electric power transformed into thermal energy totally and the energy could be measured by air enthalpy method test rooms.Finally, the stability experiment and the evaluation of uncertainty were conducted, the results showed that the outputted cooling capacity standard deviation of 30 min was 22.2 W (cooling capacity 5251.9 W) and the related expanded uncertainty was 0.6% (k=2).This source achieved the traceability of cooling capacity from the perspective of metrology for the first time, and the cooling capacity could be traced to temperature, pressure, flow rate and electric power.

Key words: cooling capacity, metrology, enthalpy, standard source, measurement, stability, uncertainty

中图分类号:

TK039

杭晨哲, 马国远, 徐定华, 许树学, 张海云, 滕俊恒. 水焓值法制冷量源装置的计量特性[J]. 化工学报, 2016, 67(S2): 100-106.

HANG Chenzhe, MA Guoyuan, XU Dinghua, XU Shuxue, ZHANG Haiyun, TENG Junheng. Metrological characteristics of water-enthalpy method cooling capacity source[J]. CIESC Journal, 2016, 67(S2): 100-106.

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水焓值法制冷量源装置的计量特性

Metrological characteristics of water-enthalpy method cooling capacity source

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