摘要
用差示扫描量热计（ＤＳＣ）测定５个汽油馏分（沸点小于２００℃）在２４３～２９９Ｋ范围内的比热容，测量误差在±２％以内。比较了比热容实测值与国外常用计算方法的预测结果。还由比热实验值计算低温焓。
Specific heat capacities of 5 gasoline fractions were measured at temperatures from 243K to 299K by a differential scanning calorimeter(DSC)with an average deviation less than ±2%.The experimental data were compared with the prediction results of specific heat capacity from some calculation models often used in foreign engine design.The enthalpies at the corresponding temperatures estimated from the data of specific heat capacity for these gasoline fractions were also presented and they were in satisfactory agreement with those measured at high temperatures by a dropping copper block calorimeter.
出处
《天然气化工—C1化学与化工》
CAS
CSCD
北大核心
1999年第1期55-60,共6页
Natural Gas Chemical Industry
关键词
差示扫描量热计
汽油馏分
比热容
焓
DSC
differential scanning calorimeter
gasoline fraction
specific heat capacity
enthalpy
