ACOUSTIC DETERMINATION OF THE IDEAL-GAS HEAT-CAPACITY OF N-HEPTANE AT HIGH-TEMPERATURES

被引：8

作者：

COLGATE, SO

SIVARAMAN, A

REED, K

机构：

[1] Department of Chemistry, University of Florida, Gainesville

来源：

JOURNAL OF CHEMICAL THERMODYNAMICS | 1990年 / 22卷 / 03期

关键词：

D O I：

10.1016/0021-9614(90)90194-U

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

A novel high-temperature spherical acoustic resonator has been developed to obtain values of the ideal-gas heat capacity at constant volume of n-heptane, based on measurements of perturbations in the speed of sound through a reference gas (argon) caused by small successive additions of n-heptane. The resonance frequencies in (n-heptane + argon) were measured at 25 K intervals over the temperature range 298.15 to 473.15 K. Mole fractions of n-heptane were varied from 0 to 0.031. The ideal-gas vapor-phase heat capacities at constant volume were evaluated from the obtained resonance frequencies at their respective temperature. © 1990.

引用

页码：245 / 252

页数：8

共 13 条

[1]

[Anonymous], 1940, J CHEM PHYS, DOI DOI 10.1063/1.1750742

[2]

COLGATE SO, 1987, RR109 GAS PROC ASS R

[3]

COLGATE SO, 1986, 1986 P INT GAS RES C, P1154

[4] THE FREE VIBRATIONS OF A GAS CONTAINED WITHIN A SPHERICAL VESSEL [J].