nozzles https://www.crtech.com/ en Thermal Analysis on Plume Heating of the Main Engine on the Crew Exploration Vehicle Service Module https://www.crtech.com/thermal-analysis-plume-heating-main-engine-crew-exploration-vehicle-service-module <!-- THEME DEBUG --> <!-- THEME HOOK: 'field' --> <!-- FILE NAME SUGGESTIONS: * field--node--title--publication-files.html.twig x field--node--title.html.twig * field--node--publication-files.html.twig * field--title.html.twig * field--string.html.twig * field.html.twig --> <!-- BEGIN OUTPUT from 'themes/crtechd9/templates/classy/field/field--node--title.html.twig' --> <span class="field field--name-title field--type-string field--label-hidden">Thermal Analysis on Plume Heating of the Main Engine on the Crew Exploration Vehicle Service Module</span> <!-- END OUTPUT from 'themes/crtechd9/templates/classy/field/field--node--title.html.twig' --> <!-- THEME DEBUG --> <!-- THEME HOOK: 'field' --> <!-- FILE NAME SUGGESTIONS: * field--node--uid--publication-files.html.twig x field--node--uid.html.twig * field--node--publication-files.html.twig * field--uid.html.twig * field--entity-reference.html.twig * field.html.twig --> <!-- BEGIN OUTPUT from 'themes/crtechd9/templates/classy/field/field--node--uid.html.twig' --> <span class="field field--name-uid field--type-entity-reference field--label-hidden"> <!-- THEME DEBUG --> <!-- THEME HOOK: 'username' --> <!-- BEGIN OUTPUT from 'themes/crtechd9/templates/classy/user/username.html.twig' --> <span lang="" about="/user/1" typeof="schema:Person" property="schema:name" datatype="">bfc-admin</span> <!-- END OUTPUT from 'themes/crtechd9/templates/classy/user/username.html.twig' --> </span> <!-- END OUTPUT from 'themes/crtechd9/templates/classy/field/field--node--uid.html.twig' --> <!-- THEME DEBUG --> <!-- THEME HOOK: 'field' --> <!-- FILE NAME SUGGESTIONS: * field--node--created--publication-files.html.twig x field--node--created.html.twig * field--node--publication-files.html.twig * field--created.html.twig * field--created.html.twig * field.html.twig --> <!-- BEGIN OUTPUT from 'themes/crtechd9/templates/classy/field/field--node--created.html.twig' --> <span class="field field--name-created field--type-created field--label-hidden"> <!-- THEME DEBUG --> <!-- THEME HOOK: 'time' --> <!-- BEGIN OUTPUT from 'themes/crtechd9/templates/classy/field/time.html.twig' --> <time datetime="2015-07-15T16:30:35-04:00" title="Wednesday, July 15, 2015 - 16:30" class="datetime">Wed, 07/15/2015 - 16:30</time> <!-- END OUTPUT from 'themes/crtechd9/templates/classy/field/time.html.twig' --> </span> <!-- END OUTPUT from 'themes/crtechd9/templates/classy/field/field--node--created.html.twig' --> <!-- THEME DEBUG --> <!-- THEME HOOK: 'links__node' --> <!-- FILE NAME SUGGESTIONS: x links--node.html.twig x links--node.html.twig * links.html.twig --> <!-- BEGIN OUTPUT from 'themes/crtechd9/templates/classy/content/links--node.html.twig' --> <!-- END OUTPUT from 'themes/crtechd9/templates/classy/content/links--node.html.twig' --> <!-- THEME DEBUG --> <!-- THEME HOOK: 'field' --> <!-- FILE NAME SUGGESTIONS: * field--node--body--publication-files.html.twig * field--node--body.html.twig * field--node--publication-files.html.twig * field--body.html.twig x field--text-with-summary.html.twig * field.html.twig --> <!-- BEGIN OUTPUT from 'themes/crtechd9/templates/classy/field/field--text-with-summary.html.twig' --> <div class="clearfix text-formatted field field--name-body field--type-text-with-summary field--label-hidden field__item"><p>The crew exploration vehicle (CEV) service module (SM) main engine plume heating is analyzed using multiple numerical tools. The chemical equilibrium compositions and applications (CEA) code is used to compute the flow field inside the engine nozzle. The plume expansion into ambient atmosphere is simulated using an axisymmetric space-time conservation element and solution element (CE/SE) Euler code, a computational fluid dynamics (CFD) software. The thermal analysis including both convection and radiation heat transfers from the hot gas inside the engine nozzle and gas radiation from the plume is performed using Thermal Desktop. Three SM configurations, Lockheed Martin (LM) designed 604, 605, and 606 configurations, are considered. Design of multilayer insulation (MLI) for the stowed solar arrays, which is subject to plume heating from the main engine, among the passive thermal control system (PTCS), are proposed and validated.</p> </div> <!-- END OUTPUT from 'themes/crtechd9/templates/classy/field/field--text-with-summary.html.twig' --> <!-- THEME DEBUG --> <!-- THEME HOOK: 'field' --> <!-- FILE NAME SUGGESTIONS: * field--node--field-upload-files--publication-files.html.twig * field--node--field-upload-files.html.twig * field--node--publication-files.html.twig * field--field-upload-files.html.twig * field--file.html.twig x field.html.twig --> <!-- BEGIN OUTPUT from 'themes/crtechd9/templates/classy/field/field.html.twig' --> <div class="field field--name-field-upload-files field--type-file field--label-inline clearfix"> <div class="field__label">Upload Files</div> <div class="field__item"> <!-- THEME DEBUG --> <!-- THEME HOOK: 'file_link' --> <!-- BEGIN OUTPUT from 'themes/crtechd9/templates/field/file-link.html.twig' --> <span class="file file--mime-application-pdf file--application-pdf"> <a href="/sites/default/files/publications/TFAWS07-1012_0.pdf" type="application/pdf">TFAWS07-1012.pdf</a></span> <!-- END OUTPUT from 'themes/crtechd9/templates/field/file-link.html.twig' --> </div> </div> <!-- END OUTPUT from 'themes/crtechd9/templates/classy/field/field.html.twig' --> <!-- THEME DEBUG --> <!-- THEME HOOK: 'field' --> <!-- FILE NAME SUGGESTIONS: * field--node--field-source--publication-files.html.twig * field--node--field-source.html.twig * field--node--publication-files.html.twig * field--field-source.html.twig * field--string.html.twig x field.html.twig --> <!-- BEGIN OUTPUT from 'themes/crtechd9/templates/classy/field/field.html.twig' --> <div class="field field--name-field-source field--type-string field--label-inline clearfix"> <div class="field__label">Source</div> <div class="field__item">TFAWS</div> </div> <!-- END OUTPUT from 'themes/crtechd9/templates/classy/field/field.html.twig' --> <!-- THEME DEBUG --> <!-- THEME HOOK: 'field' --> <!-- FILE NAME SUGGESTIONS: * field--node--field-author--publication-files.html.twig * field--node--field-author.html.twig * field--node--publication-files.html.twig * field--field-author.html.twig * field--string.html.twig x field.html.twig --> <!-- BEGIN OUTPUT from 'themes/crtechd9/templates/classy/field/field.html.twig' --> <div class="field field--name-field-author field--type-string field--label-inline clearfix"> <div class="field__label">Author</div> <div class="field__item">Xiao-Yen J. Wang and James R.Yuko</div> </div> <!-- END OUTPUT from 'themes/crtechd9/templates/classy/field/field.html.twig' --> Wed, 15 Jul 2015 20:30:35 +0000 bfc-admin 1204 at https://www.crtech.com Propulsion Applications of the NASA Standard General Purpose Thermohydraulic Analyzer https://www.crtech.com/propulsion-applications-nasa-standard-general-purpose-thermohydraulic-analyzer <!-- THEME DEBUG --> <!-- THEME HOOK: 'field' --> <!-- FILE NAME SUGGESTIONS: * field--node--title--publication-files.html.twig x field--node--title.html.twig * field--node--publication-files.html.twig * field--title.html.twig * field--string.html.twig * field.html.twig --> <!-- BEGIN OUTPUT from 'themes/crtechd9/templates/classy/field/field--node--title.html.twig' --> <span class="field field--name-title field--type-string field--label-hidden">Propulsion Applications of the NASA Standard General Purpose Thermohydraulic Analyzer</span> <!-- END OUTPUT from 'themes/crtechd9/templates/classy/field/field--node--title.html.twig' --> <!-- THEME DEBUG --> <!-- THEME HOOK: 'field' --> <!-- FILE NAME SUGGESTIONS: * field--node--uid--publication-files.html.twig x field--node--uid.html.twig * field--node--publication-files.html.twig * field--uid.html.twig * field--entity-reference.html.twig * field.html.twig --> <!-- BEGIN OUTPUT from 'themes/crtechd9/templates/classy/field/field--node--uid.html.twig' --> <span class="field field--name-uid field--type-entity-reference field--label-hidden"> <!-- THEME DEBUG --> <!-- THEME HOOK: 'username' --> <!-- BEGIN OUTPUT from 'themes/crtechd9/templates/classy/user/username.html.twig' --> <span lang="" about="/user/1" typeof="schema:Person" property="schema:name" datatype="">bfc-admin</span> <!-- END OUTPUT from 'themes/crtechd9/templates/classy/user/username.html.twig' --> </span> <!-- END OUTPUT from 'themes/crtechd9/templates/classy/field/field--node--uid.html.twig' --> <!-- THEME DEBUG --> <!-- THEME HOOK: 'field' --> <!-- FILE NAME SUGGESTIONS: * field--node--created--publication-files.html.twig x field--node--created.html.twig * field--node--publication-files.html.twig * field--created.html.twig * field--created.html.twig * field.html.twig --> <!-- BEGIN OUTPUT from 'themes/crtechd9/templates/classy/field/field--node--created.html.twig' --> <span class="field field--name-created field--type-created field--label-hidden"> <!-- THEME DEBUG --> <!-- THEME HOOK: 'time' --> <!-- BEGIN OUTPUT from 'themes/crtechd9/templates/classy/field/time.html.twig' --> <time datetime="2015-07-15T13:46:45-04:00" title="Wednesday, July 15, 2015 - 13:46" class="datetime">Wed, 07/15/2015 - 13:46</time> <!-- END OUTPUT from 'themes/crtechd9/templates/classy/field/time.html.twig' --> </span> <!-- END OUTPUT from 'themes/crtechd9/templates/classy/field/field--node--created.html.twig' --> <!-- THEME DEBUG --> <!-- THEME HOOK: 'links__node' --> <!-- FILE NAME SUGGESTIONS: x links--node.html.twig x links--node.html.twig * links.html.twig --> <!-- BEGIN OUTPUT from 'themes/crtechd9/templates/classy/content/links--node.html.twig' --> <!-- END OUTPUT from 'themes/crtechd9/templates/classy/content/links--node.html.twig' --> <!-- THEME DEBUG --> <!-- THEME HOOK: 'field' --> <!-- FILE NAME SUGGESTIONS: * field--node--body--publication-files.html.twig * field--node--body.html.twig * field--node--publication-files.html.twig * field--body.html.twig x field--text-with-summary.html.twig * field.html.twig --> <!-- BEGIN OUTPUT from 'themes/crtechd9/templates/classy/field/field--text-with-summary.html.twig' --> <div class="clearfix text-formatted field field--name-body field--type-text-with-summary field--label-hidden field__item"><p>The NASA standard tool for thermohydraulic analysis, SINDA/FLUINT, includes thermodynamic and hydrodynamic solutions specifically targeted at the growing demand for design and analysis of liquid propulsion systems. Applications in this field have included:</p> <ul> <li>Helium pressurization system design</li> <li>Cryogenic line chill-down transients</li> <li>Regenerative nozzle cooling</li> <li>Cryogenic turbomachinery chill-down transients</li> <li>Hydrazine line filling</li> <li>Feedline transients, including pogo suppression</li> <li>Feedline anti-geyser design</li> <li>Cryogenic tank pressurization and discharge, including thermal stratification, dissolved pressurant, and capillary liquid acquisition devices</li> </ul> <p>Many organizations have previously used separate in-house tools specialized for each of the above applications. However, these organizations typically do not have the resources nor infrastructure to maintain these codes when cognizant engineers are lost, nor to modify and validate them for new vehicles or applications, nor to train new engineers on their use.</p> <p>The use of a single general-purpose tool to encompass all such analyses offers not only solutions to the above problems, but also enables integrated analyses and the ability to communicate with vendors and customers.</p> </div> <!-- END OUTPUT from 'themes/crtechd9/templates/classy/field/field--text-with-summary.html.twig' --> <!-- THEME DEBUG --> <!-- THEME HOOK: 'field' --> <!-- FILE NAME SUGGESTIONS: * field--node--field-upload-files--publication-files.html.twig * field--node--field-upload-files.html.twig * field--node--publication-files.html.twig * field--field-upload-files.html.twig * field--file.html.twig x field.html.twig --> <!-- BEGIN OUTPUT from 'themes/crtechd9/templates/classy/field/field.html.twig' --> <div class="field field--name-field-upload-files field--type-file field--label-inline clearfix"> <div class="field__label">Upload Files</div> <div class="field__item"> <!-- THEME DEBUG --> <!-- THEME HOOK: 'file_link' --> <!-- BEGIN OUTPUT from 'themes/crtechd9/templates/field/file-link.html.twig' --> <span class="file file--mime-application-pdf file--application-pdf"> <a href="/sites/default/files/publications/propulse.pdf" type="application/pdf">propulse.pdf</a></span> <!-- END OUTPUT from 'themes/crtechd9/templates/field/file-link.html.twig' --> </div> </div> <!-- END OUTPUT from 'themes/crtechd9/templates/classy/field/field.html.twig' --> <!-- THEME DEBUG --> <!-- THEME HOOK: 'field' --> <!-- FILE NAME SUGGESTIONS: * field--node--field-source--publication-files.html.twig * field--node--field-source.html.twig * field--node--publication-files.html.twig * field--field-source.html.twig * field--string.html.twig x field.html.twig --> <!-- BEGIN OUTPUT from 'themes/crtechd9/templates/classy/field/field.html.twig' --> <div class="field field--name-field-source field--type-string field--label-inline clearfix"> <div class="field__label">Source</div> <div class="field__item">CRTech White Paper</div> </div> <!-- END OUTPUT from 'themes/crtechd9/templates/classy/field/field.html.twig' --> <!-- THEME DEBUG --> <!-- THEME HOOK: 'field' --> <!-- FILE NAME SUGGESTIONS: * field--node--field-author--publication-files.html.twig * field--node--field-author.html.twig * field--node--publication-files.html.twig * field--field-author.html.twig * field--string.html.twig x field.html.twig --> <!-- BEGIN OUTPUT from 'themes/crtechd9/templates/classy/field/field.html.twig' --> <div class="field field--name-field-author field--type-string field--label-inline clearfix"> <div class="field__label">Author</div> <div class="field__item">Brent A. Cullimore, Cynthia M. Beer, David A. Johnson</div> </div> <!-- END OUTPUT from 'themes/crtechd9/templates/classy/field/field.html.twig' --> Wed, 15 Jul 2015 17:46:45 +0000 bfc-admin 1167 at https://www.crtech.com