双次热冷法用于比热容的高精度测量

摘要/Abstract

摘要：

摘要：提出了一种双次热冷法用于比热容的准确测量.该方法通过对测量系统空载时和放置待测样品时加热和冷却过程中的温度序列进行处理从而计算出比热容，可有效补偿散热因素对测量结果的影响，显著提高测量精度.以小样品水为例进行了比热容测量实验，在正常的散热环境下测量误差小于1%.结果表明：双次热冷法适用于对误差有一定要求的小样品比热容测量，设备简单、操作方便，配合其他测量方法可实现范围更广、精度更高的比热容测量.

关键词: 双次热冷法, 比热容, 高精度, 测量

Abstract:

Abstract： A dual heating and cooling method was proposed to precisely measure specific heat in this paper. The apparatus with no load and with the measured object was heated and cooled respectively. The temperature sequences during the four courses were processed to calculate the specific heat. The proposed method can eliminate the influence of heat dissipation on measurement and significantly improve the precision. A measurement experiment was conducted on a bit of water as specimen. The measurement error is less than 1% under normal heat dissipation condition, which validates the effectiveness of the method. The proposed method is suitable for measuring the specific heat of a small sample within certain error limit. It can be operated conveniently on simplified apparatus and realize the specific heat measurement with higher precision in a wider region cooperating with other methods.

Key words: dual heating and cooling, specific heat, high precision, measurement

中图分类号:

O 551.3

陶胜杰，杨正伟，田干，张炜. 双次热冷法用于比热容的高精度测量[J]. 上海交通大学学报（自然版）, 2017, 51(1): 124-.

TAO Shengjie，YANG Zhengwei，TIAN Gan，ZHANG Wei. High Precision Measurement of Specific Heat Using Dual Heating and Cooling[J]. Journal of Shanghai Jiaotong University, 2017, 51(1): 124-.

参考文献

［1］卢强华, 王态成, 高英俊. 固体比热测量的实验改进［J］.广西大学学报(自然科学版), 2006, 31( Sup): 96-98.
LU Qianghua, WANG Taicheng, GAO Yingjun. Improving the specific heat measurement of solid state materials［J］. Journal of Guangxi University (Nat Sci Ed), 2006, 31(Sup): 96-98.
［2］魏秀芳, 陈建宏, 刘子江, 等. 金属热容量与温度关系的实验测定与理论研究［J］. 西北师范大学学报(自然科学版), 2014, 50(2): 43-46.
WEI Xiufang, CHEN Jianhong, LIU Zijiang, et al. Experimental measurement on the relation of metal heat capacity and temperature and comparing with theoretical results［J］. Journal of Northwest Normal University (Natural Science), 2014, 50(2): 43-46.
［3］刘辉明, 徐冬, 龚领会. 固体材料低温比热测量技术综述［J］. 低温与超导, 2010, 38(5): 6-10.
LIU Huiming, XU Dong, GONG Linghui. A review of the measurements of the low temperature specific heat of solid materials［J］. Cryogenics and Superconductivity, 2010, 38(5): 6-10.
［4］LASHLEY J C, HUNDLEY M F, MIGLIORI A, et al. Critical examination of heat capacity measurements made on a quantum design physical property measurement system［J］.Cryogenics, 2003, 43(6): 369-378.
［5］许杰, 雒建林, 陈兆甲, 等. 聚苯胺的低温比热研究［J］. 物理学报, 2003, 52(4): 947-951.
XU Jie, LUO Jianlin, CHEN Zhaojia, et al. The specific heat of polyaniline at lowtemperature［J］. Acta Physica Sinica, 2003, 52(4): 947-951.
［6］DUPONT C, CHIRIAC R, GAUTHIER G, et al. Heat capacity measurements of various biomass types and pyrolysis residues［J］. Fuel, 2014, 115: 644-651.
［7］DDMK L, KZSMRKI I,CSONTOS M, et al. Improved thermal relaxation method for the simultaneous measurement of the specific heat and thermal conductivity［J］. The European Physical Journal B, 2010, 74（1）: 27-33.
［8］张建中, 侯旭峰, 张丽丽. 关于热导率测量的讨论［J］. 电源技术, 2009, 33(4): 266-268.
ZHANG Jianzhong, HOU Xufeng, ZHANG Lili. Discussion on measurement of thermal conductivity［J］. Chinese Journal of Power Source, 2009, 33(4): 266-268.
［9］OKAMOTO Y,OKADA R,NEMOTO T, et al. A novel measurement method for the simultaneous estimation of specific heat capacity and thermal conductivity［J］. International Journal of Thermophysics, 2012, 33（7）: 1219-1227.

[1]	程斌, 黄斌, 李得睿. 基于平行激光测距的图像自标定方法[J]. 上海交通大学学报, 2022, 56(7): 850-857.
[2]	陈清浪, 庄若望, 阮开智. 海面漂浮弱小电磁辐射源目标定向定位技术[J]. 空天防御, 2022, 5(1): 25-30.
[3]	王煜林, 周登极, 郝佳瑞, 黄大文. 一种基于可解释神经网络模型的压缩机功率软测量方法[J]. 上海交通大学学报, 2021, 55(6): 774-780.
[4]	周俊杰, 余建波. 基于机器视觉的加工刀具磨损量在线测量[J]. 上海交通大学学报, 2021, 55(6): 741-749.
[5]	马跃华, 王磊, 孙海涛, 余科. MIMO雷达在防空系统中的应用分析[J]. 空天防御, 2020, 3(2): 52-58.
[6]	来颜博, 阎高伟, 程兰, 陈泽华. 基于动态独立成分分析和动态主成分分析的测地线流式核无监督回归模型[J]. 上海交通大学学报, 2020, 54(12): 1269-1277.
[7]	孙铭阳，颜国正，刘大生，王志武，韩玎，赵凯，杨雷. 基于超宽带技术的强制戒毒人员实时定位系统[J]. 上海交通大学学报, 2020, 54(1): 76-84.
[8]	何玉鹏，姜静，孙勇，徐世豪，郑国敏，牟叶威. 堆外核测系统常见噪声干扰分析与抑制[J]. 上海交通大学学报, 2019, 53(Sup.1): 7-11.
[9]	陈建文，宫成军. 国产棒位系统故障分析及处理措施[J]. 上海交通大学学报, 2019, 53(Sup.1): 33-44.
[10]	王松，刘明星，赵淄弘，王舜. 一种新型反应堆安全级DCS模拟量隔离技术[J]. 上海交通大学学报, 2019, 53(Sup.1): 93-97.
[11]	姜晓明, 王旭烽, 张伟芳, 刘宜罡. 激光跟瞄系统粗精复合轴协同控制策略优化研究[J]. 空天防御, 2019, 2(3): 31-37.
[12]	彭高亮, 薛渊, 刘世伟. 大型雷达天线自动对接关键技术研究进展[J]. 空天防御, 2019, 2(2): 37-43.
[13]	张明浩, 田从永, 李家军, 杨青峰, 刘荣坤, 杨建昌. LNG核心工艺模块大型设备安装尺寸控制测量技术探讨[J]. 海洋工程装备与技术, 2019, 6(2): 530-535.
[14]	刘敏，张英堂，李志宁，范红波. 基于增量稀疏核极限学习机的柴油机故障在线诊断[J]. 上海交通大学学报（自然版）, 2019, 53(2): 217-224.
[15]	张丽媛, 董元平, 朱丹宏, 李季. 半潜船空气压载系统设计[J]. 海洋工程装备与技术, 2018, 5(增刊): 69-74.