化工学报2016，Vol.67Issue(z2)：100-106,7.DOI:10.11949/j.issn.0438-1157.20161375
水焓值法制冷量源装置的计量特性
Metrological characteristics of water-enthalpy method cooling capacity source
摘要
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 room s,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 room s.Finally,the stability experiment and the evaluation of uncertainty were conducted,the results showed that the outputted cooling capacity standard deviation of 3 0 min was 2 2.2 W (cooling capacity 5 2 5 1.9 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.关键词
制冷量/计量学/焓/标准源/测量/稳定性/不确定度Key words
cooling capacity/metrology/enthalpy/standard source/measurement/stability/uncertainty分类
能源科技引用本文复制引用
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(z2):100-106,7.基金项目
国家自然科学基金项目(51376010)。@@@@supported by the National Natural Science Foundation of China (51376010) （51376010）
