首页> 外文期刊>Journal of geophysical research. Solid earth: JGR >Characterization of Choked Conditions Under Subsonic to Supersonic Flow in Single‐Phase (Supercritical to Gaseous CO ₂2 or Liquid H ₂2 O) and Multiphase (CO ₂2 and H ₂2 O) Transport

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Characterization of Choked Conditions Under Subsonic to Supersonic Flow in Single‐Phase (Supercritical to Gaseous CO ₂2 or Liquid H ₂2 O) and Multiphase (CO ₂2 and H ₂2 O) Transport

机译：单相中括不调函数的窒息条件（超临界与气态CO _{2或液体H _{2 o）和多相（CO _{2 < / sub> 2和h _{2 2 o）运输}}}}

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Abstract > In geologic media, fluids exist in gas, liquid, and supercritical phases, generating multiphase and multicomponent systems. As fluids migrating through geologic fractures reach the speed of sound, choked flow can be developed in microfractures. To elucidate such choked flow, thermodynamic analysis and numerical simulations were conducted with CO <sub>2</sub> , H <sub>2</sub> O, and CO <sub>2</sub> ‐H <sub>2</sub> O mixtures at various phases ranging from supercritical to gaseous CO <sub>2</sub> and liquid H <sub>2</sub> O. Compressible CO <sub>2</sub> , with a relatively low speed of sound (~225?m/s at 31.1?°C and 7.38?MPa), demonstrated significant changes in thermodynamic properties with small pressure and temperature variations. In contrast, H <sub>2</sub> O, having a relatively high speed of sound (1,524?m/s), showed little thermodynamic variation. For CO <sub>2</sub> ‐H <sub>2</sub> O mixtures, a small addition of CO <sub>2</sub> (or H <sub>2</sub> O) dramatically reduced the speed of sound relative to those for pure H <sub>2</sub> O or CO <sub>2</sub> . For an idealized converging‐diverging microfracture with CO <sub>2</sub> flow, choked flow and a shock wave were generated as outlet pressure was decreased to less than 6.8?MPa. The H <sub>2</sub> O flow did not generate choked flow at any outlet pressures. For CO <sub>2</sub> ‐H <sub>2</sub> O mixtures, choked flow was generated when the CO <sub>2</sub> void fraction was greater than 0.7 with an outlet pressure of 6.5?MPa, indicating that presence of H <sub>2</s </span> <span class="z_kbtn z_kbtnclass hoverxs" style="display: none;">展开▼</span> </div> <div class="translation abstracttxt"> <span class="zhankaihshouqi fivelineshidden" id="abstract"> <span>机译：</span><Abstract Type =“Main”XML：Lang =“en”> <标题类型=“main”>摘要</标题> >在地质介质中，流体存在于气体，液体和超临界阶段，产生多相和多组分系统。随着通过地质骨折迁移的流体达到声速，可以在微磨术中开发窒息流。为了阐明这种窒息的流动，用CO <Sub> 2 </ sub>，H <sub> 2 </ sub> O，Co <sub> 2 </ sub> -h <sub>进行热力学分析和数值模拟2 </ sub> O混合物以超临界到气态CO <sub> 2 <sub>和液体H <sub> 2 </ sub> 2 <sub> 2 </ sub>，具有a相对较低的声音（325？m / s在31.1？°C和7.38？mpa），在压力和温度变化小的热力学性能下表现出显着的变化。相反，具有相对高的声音（1,524μm/ s）的H <sub> 2 </ sub> o显示出很少的热力学变化。对于CO <sub> 2 </ sub> -h <sub> 2 </ sub> o混合物，大大增加了CO <sub> 2 </ sub>（或h <sub> 2 </ sub> o）相对于纯H <sub> 2 </ sub> O或CO <sub> 2 </ sub>的声速降低了声速。对于具有CO <SUB> 2的理想化的聚合微折衷，产生呼吸流动和冲击波，因为出口压力降低至小于6.8μm≤MPa。 H <sub> 2 </ sub> O流没有在任何出口压力下产生窒息的流量。对于CO <sub> 2 </ sub> -h <sub> 2 </ sub> O混合物，当CO <sub> 2 </ sub>空隙率大于0.7时，产生窒息的流动，出口压力为6.5 ？MPA，表明H <SUB> 2的存在</ s </span> <span class="z_kbtn z_kbtnclass hoverxs" style="display: none;">展开▼</span> </div> </div> <div class="record"> <h2 class="all_title" id="enpatent33" >著录项</h2> <ul> <li> <span class="lefttit">来源</span> <div style="width: 86%;vertical-align: text-top;display: inline-block;"> <a href='/journal-foreign-34677/'>《Journal of geophysical research. Solid earth: JGR》</a> <b style="margin: 0 2px;">|</b><span>2019年第4期</span><b style="margin: 0 2px;">|</b><span>共18页</span> </div> </li> <li> <div class="author"> <span class="lefttit">作者</span> <p id="fAuthorthree" class="threelineshidden zhankaihshouqi"> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Park Jong Gil&option=202" target="_blank" rel="nofollow">Park Jong Gil;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Han Weon Shik&option=202" target="_blank" rel="nofollow">Han Weon Shik;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Han Gidon&option=202" target="_blank" rel="nofollow">Han Gidon;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Piao Jize&option=202" target="_blank" rel="nofollow">Piao Jize;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Park Eungyu&option=202" target="_blank" rel="nofollow">Park Eungyu;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Kwon Sanghoon&option=202" target="_blank" rel="nofollow">Kwon Sanghoon;</a> </p> <span class="z_kbtnclass z_kbtnclassall hoverxs" id="zkzz" style="display: none;">展开▼</span> </div> </li> <li> <div style="display: flex;"> <span class="lefttit">作者单位</span> <div style="position: relative;margin-left: 3px;max-width: 639px;"> <div class="threelineshidden zhankaihshouqi" id="fOrgthree"> <p>Department of Earth System SciencesYonsei UniversitySeoul South Korea;</p> <p>Department of Earth System SciencesYonsei UniversitySeoul South Korea;</p> <p>Department of Earth System SciencesYonsei UniversitySeoul South Korea;</p> <p>Department of Earth System SciencesYonsei UniversitySeoul South Korea;</p> <p>Department of GeologyKyungpook National UniversityDaegu South Korea;</p> <p>Department of Earth System SciencesYonsei UniversitySeoul South Korea;</p> </div> <span class="z_kbtnclass z_kbtnclassall hoverxs" id="zhdw" style="display: none;">展开▼</span> </div> </div> </li> <li > <span class="lefttit">收录信息</span> <span style="width: 86%;vertical-align: text-top;display: inline-block;"></span> </li> <li> <span class="lefttit">原文格式</span> <span>PDF</span> </li> <li> <span class="lefttit">正文语种</span> <span>eng</span> </li> <li> <span class="lefttit">中图分类</span> <span><a href="https://www.zhangqiaokeyan.com/clc/163.html" title="地球物理学">地球物理学;</a></span> </li> <li class="antistop"> <span class="lefttit">关键词</span> <p style="width: 86%;vertical-align: text-top;"> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=choked condition&option=203" rel="nofollow">choked condition;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=sound speed&option=203" rel="nofollow">sound speed;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Mach number&option=203" rel="nofollow">Mach number;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=microfracture&option=203" rel="nofollow">microfracture;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=multiphase and multicomponent&option=203" rel="nofollow">multiphase and multicomponent;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=thermodynamics&option=203" rel="nofollow">thermodynamics;</a> </p> <div class="translation"> 机译：choked条件;声速;马赫数;微折痕;多相和多组分;热力学; </div> </li> </ul> </div> </div> <div class="literature cardcommon"> <div class="similarity "> <h3 class="all_title" id="enpatent66">相似文献</h3> <div class="similaritytab clearfix"> <ul> <li class="active" >外文文献</li> <li >中文文献</li> <li >专利</li> </ul> </div> <div class="similarity_details"> <ul > <li> <div> <b>1. </b><a class="enjiyixqcontent" href="/journal-foreign-detail/0704025591629.html">Characterization of Choked Conditions Under Subsonic to Supersonic Flow in Single‐Phase (Supercritical to Gaseous CO <sub >2</sub>2 or Liquid H <sub >2</sub>2 O) and Multiphase (CO <sub >2</sub>2 and H <sub >2</sub>2 O) Transport</a> <b>[J]</b> . <span> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Park Jong Gil&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor">Park Jong Gil,</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Han Weon Shik&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor">Han Weon Shik,</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Han Gidon&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor">Han Gidon,</a> <a href="/journal-foreign-34677/" target="_blank" rel="nofollow" class="tuijian_authcolor">Journal of geophysical research. 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Characterization of Choked Conditions Under Subsonic to Supersonic Flow in Single‐Phase (Supercritical to Gaseous CO 22 or Liquid H 22 O) and Multiphase (CO 22 and H 22 O) Transport

摘要

Characterization of Choked Conditions Under Subsonic to Supersonic Flow in Single‐Phase (Supercritical to Gaseous CO ₂2 or Liquid H ₂2 O) and Multiphase (CO ₂2 and H ₂2 O) Transport