Higher Approximations for the Transport Properties of Binary Gas Mixtures. II. Applications
Detailed numerical calculations are used to test the convergence of the higher approximations for the diffusion coefficient and thermal diffusion factor. The results show Kihara's second approximation to be the best to use and of sufficient accuracy, except for the thermal diffusion factor of m...
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| Veröffentlicht in: | The Journal of chemical physics 1957-09, Vol.27 (3), p.782-790 |
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| container_end_page | 790 |
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| container_issue | 3 |
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| container_title | The Journal of chemical physics |
| container_volume | 27 |
| creator | Mason, Edward A. |
| description | Detailed numerical calculations are used to test the convergence of the higher approximations for the diffusion coefficient and thermal diffusion factor. The results show Kihara's second approximation to be the best to use and of sufficient accuracy, except for the thermal diffusion factor of mixtures with a heavy component in excess. For such a mixture both the Chapman-Cowling and the Kihara approximations are unreliable, and a new method is proposed for this case. The thermal diffusion of hydrogen-carbon dioxide mixtures is taken to illustrate the possible large errors resulting from use of inaccurate theoretical expressions. For precise work, the first approximations cannot in general be relied upon. |
| doi_str_mv | 10.1063/1.1743829 |
| format | Article |
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II. Applications</title><title>The Journal of chemical physics</title><description>Detailed numerical calculations are used to test the convergence of the higher approximations for the diffusion coefficient and thermal diffusion factor. The results show Kihara's second approximation to be the best to use and of sufficient accuracy, except for the thermal diffusion factor of mixtures with a heavy component in excess. For such a mixture both the Chapman-Cowling and the Kihara approximations are unreliable, and a new method is proposed for this case. The thermal diffusion of hydrogen-carbon dioxide mixtures is taken to illustrate the possible large errors resulting from use of inaccurate theoretical expressions. For precise work, the first approximations cannot in general be relied upon.</description><subject>CARBON DIOXIDE</subject><subject>CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS</subject><subject>DIFFUSION</subject><subject>ERRORS</subject><subject>GASES</subject><subject>HYDROGEN</subject><subject>MIXING</subject><subject>NUMERICALS</subject><subject>THERMAL DIFFUSION</subject><subject>TRANSPORT</subject><issn>0021-9606</issn><issn>1089-7690</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1957</creationdate><recordtype>article</recordtype><recordid>eNotkL1OwzAYRS0EEqUw8AYWG0PC55_YzlgqaCMVwVAmBst1HGJU4sg2Uvv2tGqnuxwd3XsRuidQEhDsiZREcqZofYEmBFRdSFHDJZoAUFLUAsQ1uknpBwCIpHyCvpb-u3cRz8Yxhp3_NdmHIeEuRJx7h9fRDGkMMeOPGEYXs3cJhw4_-8HEPV6YhN_8Lv9Fl0rcNOXRs_X2ZLlFV53ZJnd3zin6fH1Zz5fF6n3RzGerwlJW5UIcaikB0m4skI2RpKo5F1wY5yrFmQArjDSUtdZyqSgRiisDrm2NEk4Zxqbo4eQNKXudrM_O9jYMg7NZc1ZxStQBejxBNoaUouv0GA9z414T0MfrNNHn69g_tc9fwg</recordid><startdate>19570901</startdate><enddate>19570901</enddate><creator>Mason, Edward A.</creator><general>American Institute of Physics (AIP)</general><scope>AAYXX</scope><scope>CITATION</scope><scope>OTOTI</scope></search><sort><creationdate>19570901</creationdate><title>Higher Approximations for the Transport Properties of Binary Gas Mixtures. 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II. Applications</atitle><jtitle>The Journal of chemical physics</jtitle><date>1957-09-01</date><risdate>1957</risdate><volume>27</volume><issue>3</issue><spage>782</spage><epage>790</epage><pages>782-790</pages><issn>0021-9606</issn><eissn>1089-7690</eissn><abstract>Detailed numerical calculations are used to test the convergence of the higher approximations for the diffusion coefficient and thermal diffusion factor. The results show Kihara's second approximation to be the best to use and of sufficient accuracy, except for the thermal diffusion factor of mixtures with a heavy component in excess. For such a mixture both the Chapman-Cowling and the Kihara approximations are unreliable, and a new method is proposed for this case. The thermal diffusion of hydrogen-carbon dioxide mixtures is taken to illustrate the possible large errors resulting from use of inaccurate theoretical expressions. For precise work, the first approximations cannot in general be relied upon.</abstract><pub>American Institute of Physics (AIP)</pub><doi>10.1063/1.1743829</doi><tpages>9</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0021-9606 |
| ispartof | The Journal of chemical physics, 1957-09, Vol.27 (3), p.782-790 |
| issn | 0021-9606 1089-7690 |
| language | eng |
| recordid | cdi_osti_scitechconnect_4354218 |
| source | AIP Digital Archive |
| subjects | CARBON DIOXIDE CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS DIFFUSION ERRORS GASES HYDROGEN MIXING NUMERICALS THERMAL DIFFUSION TRANSPORT |
| title | Higher Approximations for the Transport Properties of Binary Gas Mixtures. II. Applications |
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