{"id":38094,"date":"2024-02-06T00:42:20","date_gmt":"2024-02-06T00:42:20","guid":{"rendered":"https:\/\/www.alicat.com\/?post_type=article&p=38094"},"modified":"2026-02-16T20:54:13","modified_gmt":"2026-02-16T20:54:13","slug":"bewaltigung-der-herausforderungen-bei-aerodynamischen-hochgeschwindigkeitstests-durch-druckkontrolle","status":"publish","type":"support","link":"https:\/\/www.alicat.com\/de\/support\/overcoming-the-challenges-of-high-speed-aerodynamic-tests-using-pressure-control\/","title":{"rendered":"\u00dcberwindung der Herausforderungen bei aerodynamischen Hochgeschwindigkeitsversuchen durch Druckkontrolle"},"content":{"rendered":"\n[et_pb_section fb_built=”1″ _builder_version=”4.23.1″ _module_preset=”default” min_height=”1528px” custom_padding=”|0px|4px|0px|false|false” global_colors_info=”{}” theme_builder_area=”post_content”][et_pb_row _builder_version=”4.23.1″ _module_preset=”default” custom_padding=”6px|||||” global_colors_info=”{}” theme_builder_area=”post_content”][et_pb_column type=”4_4″ _builder_version=”4.23.1″ _module_preset=”default” global_colors_info=”{}” theme_builder_area=”post_content”][et_pb_text _builder_version=”4.23.1″ _module_preset=”default” global_colors_info=”{}” theme_builder_area=”post_content”]
\n

Overcoming the challenges of high-speed aerodynamic tests using pressure control<\/strong><\/h1>\n

<\/h1>\n<\/div>\n
\n

Aerospace development and testing applications often require high flow rates to pressurize large volumes. One example is in gas reservoirs, where the reservoir must be pressurized prior to conducting high-speed aerodynamic tests.<\/p>\n

Application requirements<\/h2>\n

A customer approached Alicat looking to pressurize a 200 L gas reservoir to 1000 PSIG. The gas held in the reservoir would then be quickly released into a high-speed wind tunnel via a rupture disc, producing a hypersonic flow with a high Mach number.<\/p>\n

At such a high pressure, it can be challenging to quickly reach high mass flow rates<\/a> due to valve limitations. This challenge can be circumvented by first using a high-flow bypass valve to pressurize the chamber and then switching to a high-precision pressure controller to maintain pressure.<\/p>\n

 <\/p>\n

Solution: Custom dual hammerhead valve gauge pressure controller<\/strong><\/h2>\n<\/div>[\/et_pb_text][et_pb_image src=”https:\/\/www.alicat.com\/wp-content\/uploads\/2024\/04\/Research_PCDH3_638px.webp” alt=”Research Dual valve pressure controller” title_text=”Research_PCDH3_638px” _builder_version=”4.25.1″ _module_preset=”default” width=”70%” module_alignment=”center” custom_padding=”20px||20px||false|false” global_colors_info=”{}” theme_builder_area=”post_content”][\/et_pb_image][et_pb_text _builder_version=”4.23.1″ _module_preset=”default” global_colors_info=”{}” theme_builder_area=”post_content”]

For this application, Alicat designed a custom gauge pressure controller with side-by-side hammerhead valves. This device is capable of operating at pressures up to 1000 PSIG, with control response times under 30 ms.<\/p>\n

The team was able to bring their reservoir pressure up to 1000 PSIG using two steps:<\/p>\n

    \n
  1. Pressurize the reservoir chamber through a solenoid valve to 980 PSIG.<\/li>\n
  2. Close the valve and finish filling the chamber using the Alicat PCDH-1000 PSIG<\/a>\u00a0<\/strong>controller.<\/li>\n<\/ol>\n

    This solution led to a highly responsive aerodynamic test process which was more streamlined than the original procedure. More importantly, it enhanced the reproducibility of the hypersonic wind tunnel experiments by providing a more consistent flow \u2013 and therefore a more consistent wind speed.<\/p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section]\n","protected":false},"featured_media":46458,"parent":0,"template":"","meta":{"_acf_changed":false,"_et_pb_use_builder":"on","_et_pb_old_content":"","_et_gb_content_width":"1920","content-type":"","_searchwp_excluded":""},"categories":[],"class_list":["post-38094","support","type-support","status-publish","has-post-thumbnail","hentry"],"acf":[],"yoast_head":"\nOvercoming the Challenges of High-Speed Aerodynamic Tests Using Pressure Control - Alicat Scientific<\/title>\n<meta name=\"description\" content=\"Learn how you can overcome the challenges of high-speed aerodynamic tests using Alicat devices\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.alicat.com\/de\/unterstutzung\/bewaltigung-der-herausforderungen-bei-aerodynamischen-hochgeschwindigkeitstests-durch-druckkontrolle\/\" \/>\n<meta property=\"og:locale\" content=\"de_DE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Overcoming the Challenges of High-Speed Aerodynamic Tests Using Pressure Control\" \/>\n<meta property=\"og:description\" content=\"Learn how you can overcome the challenges of high-speed aerodynamic tests using Alicat devices\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.alicat.com\/de\/unterstutzung\/bewaltigung-der-herausforderungen-bei-aerodynamischen-hochgeschwindigkeitstests-durch-druckkontrolle\/\" \/>\n<meta property=\"og:site_name\" content=\"Alicat Scientific\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/alicatscientific\/\" \/>\n<meta property=\"article:modified_time\" content=\"2026-02-16T20:54:13+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.alicat.com\/wp-content\/uploads\/2026\/01\/featured-alicat.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"630\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"2\u00a0Minuten\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.alicat.com\\\/support\\\/overcoming-the-challenges-of-high-speed-aerodynamic-tests-using-pressure-control\\\/\",\"url\":\"https:\\\/\\\/www.alicat.com\\\/support\\\/overcoming-the-challenges-of-high-speed-aerodynamic-tests-using-pressure-control\\\/\",\"name\":\"Overcoming the Challenges of High-Speed Aerodynamic Tests Using Pressure Control - 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