空气比热容比测定实验的系统误差分析及压强修正-于永江.pdf

　24 12 实 验 室 研 究 与 探 索 Vol.24 N o.12 　 　2005 12 RESEARCH AND EXPLORATION IN LABORATORY Dec.2005 　 于永江 ( , 264025) 　:分析了空气比热容比测定实验的系统误差, 提供一种对“ 热膨胀过程”中由于不完全 热而引 起的系统误差进行修正的实验方法。 :比热容比;系统误差;修正 :O552.3 :B :1006-7167 (2005)12-0025-03 Analysis of t he System Error and Pressure Correct ion in Air Specific Heat Rat io Measuring Experiment YU Yong j-iang (Dept .o Physics and Electronic Eng ., Yantai Normal College, Yantai Shandong 264025, China) Abstract :The system errors in the experiment o measuring air speci ic heat ratio was analyzed and the experimental method or correction was presented.The correction is made to the system error caused by a slight heat absorption in the process o heat insulation. Key words:speci ic heat ratio;system error;correction 1 　　 CP CV , , γ, [1 ～4] , : γ, γ= 1.402。, , 1　 , , γ 1.402, , , 。。 2 　 1 , 2 2　P-V :2005-02-22 P -V 。P 0 T0 :(1966-), , , , , O (P 0 , T0 )。 , .Tel193;E-mail : 、, O (P , ldyuyongjiang @ 0 26 　　　　实　验　室　研　究　与　探　索 24 　 T )。 P ′ 5 0 　　, P =P 0 + ( 10 Pa)T1 T2 AD590 , , 2000