{"id":4181,"date":"2019-02-16T14:53:30","date_gmt":"2019-02-16T14:53:30","guid":{"rendered":"https:\/\/cyflexdoc.wpengine.com\/?page_id=4181"},"modified":"2025-09-26T10:59:46","modified_gmt":"2025-09-26T15:59:46","slug":"cfv_1065","status":"publish","type":"page","link":"https:\/\/cyflex.com\/index.php\/usage-help-manual\/19-fluid-flow-computations\/cfv_1065\/","title":{"rendered":"cfv_1065"},"content":{"rendered":"<h3>Purpose:<\/h3>\n<blockquote>\n<p>Compute air mass flow on a continuous basis per the 1065 standard using inputs from a specification file.<\/p>\n<\/blockquote>\n<h3>Enter:<\/h3>\n<blockquote>\n<p><strong>cfv_1065<\/strong> &lt;priority&gt; &lt;process_interval&gt; &lt;spec_file&gt; [+c] [d|v]<\/p>\n<\/blockquote>\n<h3>Where:<\/h3>\n<blockquote>\n<table style=\"width: 96.15%; height: 168px;\">\n<tbody>\n<tr style=\"height: 48px;\">\n<td style=\"width: 13.43%; height: 48px;\">priority<\/td>\n<td style=\"width: 109.57%; height: 48px;\">Specify the task priority.<\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"width: 13.43%; height: 24px;\">process_interval<\/td>\n<td style=\"width: 109.57%; height: 24px;\">Specify the processing interval in milliseconds.<\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"width: 13.43%; height: 24px;\">spec_file<\/td>\n<td style=\"width: 109.57%; height: 24px;\">Specify the full path and specification filename.<\/td>\n<\/tr>\n<tr style=\"height: 48px;\">\n<td style=\"width: 13.43%; height: 48px;\">+c<\/td>\n<td style=\"width: 109.57%; height: 48px;\">Optional. Specify this flag to identify the task as critical to the watchdog . This option is mutually exclusive with the d option.<\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"width: 13.43%; height: 24px;\">d|v<\/td>\n<td style=\"width: 109.57%; height: 24px;\">\n<p>Optional debug flags. Specify:<\/p>\n<ul>\n<li>d for basic output<\/li>\n<li>v for verbose diagnostics<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/blockquote>\n<h3>Example:<\/h3>\n<blockquote>\n<p><strong>cfv_1065<\/strong> 12 1000 \/specs\/cfv_spec.214 +c &amp;<br \/>\nThe preceding command spawns cfv_1065&#8217;in the background at a priority of 12. The computations are performed once every one hundred milliseconds using the specifications in the file \/specs\/cfv_specs.214. The task is also assigned to be a critical task. As a result, if the task ever stops responding to the watchdog, any test that is running will be aborted.<\/p>\n<\/blockquote>\n<h3>Notes:<\/h3>\n<blockquote>\n<p>The cfv_1065 task will register its name with the filename (not the full pathname), in this case &#8220;cfv_specs.214&#8221;.\u00a0 This name can be used by the &#8216;re-read&#8217; command to request that it update the specifications by reading the specification file again.\u00a0 This feature allows the specifications to be changed &#8220;on-the-fly&#8221; without slaying and restarting the app.\u00a0<\/p>\n<\/blockquote>\n<h3>See Also:<\/h3>\n<p style=\"padding-left: 40px;\"><a href=\"\/wp-content\/uploads\/Critical-Flow-Venturi-40CFR1065.pdf\">Critical Flow Venturi Calculations per 40CFR1065.640<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Purpose: Compute air mass flow on a continuous basis per the 1065 standard using inputs from a specification file. Enter: cfv_1065 &lt;priority&gt; &lt;process_interval&gt; &lt;spec_file&gt; [+c] [d|v] Where: priority Specify the task priority. process_interval Specify the processing interval in milliseconds. spec_file Specify the full path and specification filename. +c Optional. Specify this flag to identify the [&hellip;]<\/p>\n","protected":false},"author":47,"featured_media":0,"parent":1959,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-4181","page","type-page","status-publish","hentry"],"post_mailing_queue_ids":[],"_links":{"self":[{"href":"https:\/\/cyflex.com\/index.php\/wp-json\/wp\/v2\/pages\/4181","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cyflex.com\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/cyflex.com\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/cyflex.com\/index.php\/wp-json\/wp\/v2\/users\/47"}],"replies":[{"embeddable":true,"href":"https:\/\/cyflex.com\/index.php\/wp-json\/wp\/v2\/comments?post=4181"}],"version-history":[{"count":0,"href":"https:\/\/cyflex.com\/index.php\/wp-json\/wp\/v2\/pages\/4181\/revisions"}],"up":[{"embeddable":true,"href":"https:\/\/cyflex.com\/index.php\/wp-json\/wp\/v2\/pages\/1959"}],"wp:attachment":[{"href":"https:\/\/cyflex.com\/index.php\/wp-json\/wp\/v2\/media?parent=4181"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}