Increasing Accuracy of Simulations of Gas Flowing into Low-Pressure Areas Using Optical Methods on Shockwaves

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216305%3A26220%2F17%3APU124913" target="_blank" >RIV/00216305:26220/17:PU124913 - isvavai.cz</a>
Result on the web
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DOI - Digital Object Identifier
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Result language
angličtina
Original language name
Increasing Accuracy of Simulations of Gas Flowing into Low-Pressure Areas Using Optical Methods on Shockwaves
Original language description
The area of a shockwave is the most specific area of a supersonic gas flow because its general shape is affected not only by the gas itself but also by the pressure difference between the operating (input) pressure and the atmospheric (output) pressure and by the shape of the aperture or jet the gas passes through. Simulating a supersonic gas flow leaving a jet into a high-pressure area requires to use specific constant values depending on the type of the gas and boundary conditions, which were already experimentally verified. However, when simulating a supersonic gas flow entering a low-pressure (or vacuum) area, different constant values are needed. This paper deals with a possibility of using optical methods for displaying a shockwave within a low-pressure area in order to modify a numerical model of the flow to make the simulated shockwave match the one from experiment.
Czech name
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Czech description
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Project
<a href="/en/project/LO1210" target="_blank" >LO1210: Energy for Sustainable Development</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year
2017
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Article name in the collection
Advanced Batteries Accumulators and Fuel Cells – 18th ABAF
ISBN
978-80-214-5109-4
ISSN
1938-5862
e-ISSN
1938-6737
Number of pages
3
Pages from-to
179-181
Publisher name
Brno University of Technology
Place of publication
Brno
Event location
Brno
Event date
Sep 10, 2017
Type of event by nationality
WRD - Celosvětová akce
UT code for WoS article
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