{"id":1509,"date":"2026-06-03T09:21:27","date_gmt":"2026-06-03T16:21:27","guid":{"rendered":"https:\/\/www.airmonitor.com\/industrial\/?p=1509"},"modified":"2026-06-03T12:16:27","modified_gmt":"2026-06-03T19:16:27","slug":"new-application-guide-solving-secondary-airflow-challenges-in-power-plants","status":"publish","type":"post","link":"https:\/\/www.airmonitor.com\/industrial\/blog\/new-application-guide-solving-secondary-airflow-challenges-in-power-plants\/","title":{"rendered":"New Application Guide: Solving Secondary Airflow Challenges in Power Plants"},"content":{"rendered":"\n<div class=\"wp-block-stackable-feature stk-block-feature stk-block stk-b093c99 is-style-default\" data-v=\"2\" data-block-id=\"b093c99\"><style>.stk-b093c99 {--stk-feature-flex-wrap:nowrap !important;}<\/style><div class=\"stk-content-align stk-b093c99-column stk-container stk-b093c99-container stk--no-background stk--no-padding\"><div class=\"stk-inner-blocks stk-block-content stk-row\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-e731492\" data-v=\"4\" data-block-id=\"e731492\"><style>.stk-e731492 {align-self:center !important;}<\/style><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-e731492-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-e731492-inner-blocks\">\n<div class=\"wp-block-stackable-heading stk-block-heading stk-block-heading--v2 stk-block stk-25df5a7\" id=\"why-secondary-airflow-now-demands-more-attention\" data-block-id=\"25df5a7\"><h2 class=\"stk-block-heading__text\">Why secondary airflow now demands more attention<\/h2><\/div>\n\n\n\n<div class=\"wp-block-stackable-text stk-block-text stk-block stk-c475230\" data-block-id=\"c475230\"><p class=\"stk-block-text__text\">Power plants are being pushed to operate cleaner, safer, and more efficiently. Many must cycle across a much wider load range than they were originally designed for. Secondary (bulk) airflow directly affects combustion air\u2011to\u2011fuel ratios. Getting the right \u201cmacro\u201d airflow number is critical for thermal efficiency, emissions performance, and safe boiler operation.<\/p><\/div>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-31705cf\" data-v=\"4\" data-block-id=\"31705cf\"><style>.stk-31705cf {align-self:center !important;}<\/style><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-31705cf-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-31705cf-inner-blocks\">\n<div class=\"wp-block-stackable-image stk-block-image stk-block stk-02ada55\" data-block-id=\"02ada55\"><figure><span class=\"stk-img-wrapper stk-image--shape-stretch\"><img decoding=\"async\" class=\"stk-img wp-image-1516\" src=\"https:\/\/www.airmonitor.com\/industrial\/wp-content\/uploads\/sites\/3\/FIG4-El-Paso-type-Radient-Boiler-for-gas-firing-r4-002.jpg\" width=\"2550\" height=\"1350\" alt=\"secondary airflow diagram\" srcset=\"https:\/\/www.airmonitor.com\/industrial\/wp-content\/uploads\/sites\/3\/FIG4-El-Paso-type-Radient-Boiler-for-gas-firing-r4-002.jpg 2550w, https:\/\/www.airmonitor.com\/industrial\/wp-content\/uploads\/sites\/3\/FIG4-El-Paso-type-Radient-Boiler-for-gas-firing-r4-002-300x159.jpg 300w, https:\/\/www.airmonitor.com\/industrial\/wp-content\/uploads\/sites\/3\/FIG4-El-Paso-type-Radient-Boiler-for-gas-firing-r4-002-1024x542.jpg 1024w, https:\/\/www.airmonitor.com\/industrial\/wp-content\/uploads\/sites\/3\/FIG4-El-Paso-type-Radient-Boiler-for-gas-firing-r4-002-768x407.jpg 768w, https:\/\/www.airmonitor.com\/industrial\/wp-content\/uploads\/sites\/3\/FIG4-El-Paso-type-Radient-Boiler-for-gas-firing-r4-002-1536x813.jpg 1536w, https:\/\/www.airmonitor.com\/industrial\/wp-content\/uploads\/sites\/3\/FIG4-El-Paso-type-Radient-Boiler-for-gas-firing-r4-002-2048x1084.jpg 2048w, https:\/\/www.airmonitor.com\/industrial\/wp-content\/uploads\/sites\/3\/FIG4-El-Paso-type-Radient-Boiler-for-gas-firing-r4-002-655x347.jpg 655w\" sizes=\"(max-width: 2550px) 100vw, 2550px\" \/><\/span><\/figure><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div><\/div>\n\n\n\n<p>Many coal, gas, and oil\u2011fired units now sit at low load for long periods waiting to ramp for peak demand. This circumstance makes accurate, repeatable airflow measurement over a broad turndown range more important than ever.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"common-pain-points-with-traditional-secondary-airf\">Common pain points with traditional secondary airflow measurement<\/h2>\n\n\n\n<p>In the new\u00a0<a href=\"https:\/\/www.airmonitor.com\/industrial\/wp-content\/uploads\/sites\/3\/AirMonitor_ApplicationGuide_SecondaryAirflow.pdf\">Secondary Airflow in Power Plants Application Guide<\/a>, Air Monitor outlines the practical challenges many plants face. Legacy devices like airfoils, venturis, and thermal flow meters often lead to troublesome issues like:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Accuracy and signal stability often collapse at reduced boiler loads. This is exactly when reliable airflow data is most critical for safe combustion control.<\/li>\n\n\n\n<li>Limited straight duct runs create highly distorted, non\u2011uniform flow profiles that conventional devices struggle to average accurately.<\/li>\n\n\n\n<li>Fouling from fly ash and other particulates drives frequent maintenance and can quietly degrade measurement accuracy between cleanings.<\/li>\n\n\n\n<li>High permanent pressure loss from traditional elements wastes fan power and can reduce available boiler capacity.<\/li>\n<\/ul>\n\n\n\n<p>Thus operators face difficulties to run tighter air\u2011to\u2011fuel ratios, improve NOx\/SOx performance, and still protect the furnace from unsafe conditions.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"how-air-monitors-multipoint-solutions-address-thes\">How Air Monitor\u2019s multipoint solutions address these challenges<\/h2>\n\n\n\n<p>Air Monitor\u2019s multipoint Pitot probe arrays and combustion airflow stations are engineered specifically for large secondary air ducts and distorted flow profiles. They perform well even in the challenging dirty process conditions found in utility boiler service. Key advantages include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>High turndown accuracy<\/strong> &#8212;\u00a0VOLU\u2011probe and CA Station arrays, paired with the\u00a0CAMS\u2122 Combustion Airflow Management System are recommended. They deliver stable, repeatable airflow measurement over turndown ratios of 10:1, supporting precise control even at minimum load.<\/li>\n\n\n\n<li><strong>Performance without long straight runs <\/strong>&#8212;\u00a0High\u2011density sensing points and proprietary compensation for pitch, yaw, and profile asymmetry allow accurate airflow averaging.  Common installation points are downstream of air heaters, elbows, and multiple\u2011fan arrangements where straight\u2011run requirements simply cannot be met.<\/li>\n\n\n\n<li><strong>Lower maintenance in dirty service<\/strong> &#8212;\u00a0Integrated AUTO\u2011purge (self\u2011cleaning feature) keeps sensing ports clear of fly ash and particulates. This feature helps plants maintain accuracy and reduce manual cleaning intervals.<\/li>\n\n\n\n<li><strong>Minimal pressure loss <\/strong>&#8212;\u00a0Multipoint Pitot solutions introduce negligible permanent pressure drop compared to venturis and airfoils, helping preserve fan capacity and reduce fan power consumption.<\/li>\n<\/ul>\n\n\n\n<div class=\"wp-block-stackable-columns stk-block-columns stk-block stk-ee21d75\" data-block-id=\"ee21d75\"><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-ee21d75-column\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-e081cd0\" data-v=\"4\" data-block-id=\"e081cd0\"><style>@media screen and (min-width: 768px){.stk-e081cd0 {flex:var(--stk-flex-grow, 1) 1 25% !important;}}<\/style><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-e081cd0-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-e081cd0-inner-blocks\"><div data-block-name=\"woocommerce\/featured-product\" data-image-fit=\"cover\" data-product-id=\"141\" class=\"wc-block-featured-product alignnone has-background-dim wp-block-woocommerce-featured-product\" style=\"min-height:500px;\"><div class=\"wc-block-featured-product__wrapper\"><div class=\"background-dim__overlay\" style=\"background-color: #000000\"><\/div><img decoding=\"async\" alt=\"VOLU-probe\/SS\" class=\"wc-block-featured-product__background-image\" src=\"https:\/\/www.airmonitor.com\/industrial\/wp-content\/uploads\/sites\/3\/volu-probe-ss-1024x1024.png\" style=\"object-fit: cover;object-position: 50% 50%;\" \/><div class=\"wc-block-featured-product__inner-blocks\">\n<h2 class=\"has-text-align-center wp-block-post-title\"><a data-wp-on--click=\"woocommerce\/product-collection::actions.viewProduct\" href=\"https:\/\/www.airmonitor.com\/industrial\/product\/volu-probe-ss\/\" target=\"_self\" >VOLU-probe\/SS<\/a><\/h2>\n\n<div data-block-name=\"woocommerce\/product-summary\" data-show-description-if-empty=\"true\" data-style=\"{&quot;typography&quot;:{&quot;textAlign&quot;:&quot;center&quot;}}\" data-summary-length=\"5\" class=\"wp-block-woocommerce-product-summary\"><div class=\"wc-block-components-product-summary has-text-align-center\" style=\"\">\n\t\t\t\t<p>Product Type: Insertion Flow Measuring&hellip;<\/p>\n\n\t\t\t<\/div><\/div>\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-16018d1d wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/www.airmonitor.com\/industrial\/product\/volu-probe-ss\/\">View Product<\/a><\/div>\n<\/div>\n\n<\/div><\/div><\/div><\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-0ea7df3\" data-v=\"4\" data-block-id=\"0ea7df3\"><style>@media screen and (min-width: 768px){.stk-0ea7df3 {flex:var(--stk-flex-grow, 1) 1 25% !important;}}<\/style><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-0ea7df3-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-0ea7df3-inner-blocks\"><div data-block-name=\"woocommerce\/featured-product\" data-image-fit=\"cover\" data-product-id=\"127\" class=\"wc-block-featured-product alignnone has-background-dim wp-block-woocommerce-featured-product\" style=\"min-height:500px;\"><div class=\"wc-block-featured-product__wrapper\"><div class=\"background-dim__overlay\" style=\"background-color: #000000\"><\/div><img decoding=\"async\" alt=\"CAMS\u2122\" class=\"wc-block-featured-product__background-image\" src=\"https:\/\/www.airmonitor.com\/industrial\/wp-content\/uploads\/sites\/3\/combustion-airflow-management-system-1024x1024.png\" style=\"object-fit: cover;object-position: 50% 50%;\" \/><div class=\"wc-block-featured-product__inner-blocks\">\n<h2 class=\"has-text-align-center wp-block-post-title\"><a data-wp-on--click=\"woocommerce\/product-collection::actions.viewProduct\" href=\"https:\/\/www.airmonitor.com\/industrial\/product\/cams-combustion-airflow-management-system\/\" target=\"_self\" >CAMS\u2122<\/a><\/h2>\n\n<div data-block-name=\"woocommerce\/product-summary\" data-show-description-if-empty=\"true\" data-style=\"{&quot;typography&quot;:{&quot;textAlign&quot;:&quot;center&quot;}}\" data-summary-length=\"5\" class=\"wp-block-woocommerce-product-summary\"><div class=\"wc-block-components-product-summary has-text-align-center\" style=\"\">\n\t\t\t\t<p>Product Type: Transmitter \/ Automatic&hellip;<\/p>\n\n\t\t\t<\/div><\/div>\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-16018d1d wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/www.airmonitor.com\/industrial\/product\/cams-combustion-airflow-management-system\/\">View Product<\/a><\/div>\n<\/div>\n\n<\/div><\/div><\/div><\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-4916c77\" data-v=\"4\" data-block-id=\"4916c77\"><style>@media screen and (min-width: 768px){.stk-4916c77 {flex:var(--stk-flex-grow, 1) 1 25% !important;}}<\/style><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-4916c77-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-4916c77-inner-blocks\"><div data-block-name=\"woocommerce\/featured-product\" data-image-fit=\"cover\" data-product-id=\"125\" class=\"wc-block-featured-product alignnone has-background-dim wp-block-woocommerce-featured-product\" style=\"min-height:500px;\"><div class=\"wc-block-featured-product__wrapper\"><div class=\"background-dim__overlay\" style=\"background-color: #000000\"><\/div><img decoding=\"async\" alt=\"CA Station\" class=\"wc-block-featured-product__background-image\" src=\"https:\/\/www.airmonitor.com\/industrial\/wp-content\/uploads\/sites\/3\/combustion-airflow-measurement-station-1024x1024.png\" style=\"object-fit: cover;object-position: 50% 50%;\" \/><div class=\"wc-block-featured-product__inner-blocks\">\n<h2 class=\"has-text-align-center wp-block-post-title\"><a data-wp-on--click=\"woocommerce\/product-collection::actions.viewProduct\" href=\"https:\/\/www.airmonitor.com\/industrial\/product\/ca-station-combustion-airflow-measurement-station\/\" target=\"_self\" >CA Station<\/a><\/h2>\n\n<div data-block-name=\"woocommerce\/product-summary\" data-show-description-if-empty=\"true\" data-style=\"{&quot;typography&quot;:{&quot;textAlign&quot;:&quot;center&quot;}}\" data-summary-length=\"5\" class=\"wp-block-woocommerce-product-summary\"><div class=\"wc-block-components-product-summary has-text-align-center\" style=\"\">\n\t\t\t\t<p>Product Type: Inline Flow Measuring&hellip;<\/p>\n\n\t\t\t<\/div><\/div>\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-16018d1d wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/www.airmonitor.com\/industrial\/product\/ca-station-combustion-airflow-measurement-station\/\">View Product<\/a><\/div>\n<\/div>\n\n<\/div><\/div><\/div><\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-a1f7049\" data-v=\"4\" data-block-id=\"a1f7049\"><style>@media screen and (min-width: 768px){.stk-a1f7049 {flex:var(--stk-flex-grow, 1) 1 25% !important;}}<\/style><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-a1f7049-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-a1f7049-inner-blocks\"><div data-block-name=\"woocommerce\/featured-product\" data-image-fit=\"cover\" data-product-id=\"123\" class=\"wc-block-featured-product alignnone has-background-dim wp-block-woocommerce-featured-product\" style=\"min-height:500px;\"><div class=\"wc-block-featured-product__wrapper\"><div class=\"background-dim__overlay\" style=\"background-color: #000000\"><\/div><img decoding=\"async\" alt=\"AUTO-purge III\" class=\"wc-block-featured-product__background-image\" src=\"https:\/\/www.airmonitor.com\/industrial\/wp-content\/uploads\/sites\/3\/auto-purge-iii-cem.png\" style=\"object-fit: cover;object-position: 50% 50%;\" \/><div class=\"wc-block-featured-product__inner-blocks\">\n<h2 class=\"has-text-align-center wp-block-post-title\"><a data-wp-on--click=\"woocommerce\/product-collection::actions.viewProduct\" href=\"https:\/\/www.airmonitor.com\/industrial\/product\/auto-purge-iii\/\" target=\"_self\" >AUTO-purge III<\/a><\/h2>\n\n<div data-block-name=\"woocommerce\/product-summary\" data-show-description-if-empty=\"true\" data-style=\"{&quot;typography&quot;:{&quot;textAlign&quot;:&quot;center&quot;}}\" data-summary-length=\"5\" class=\"wp-block-woocommerce-product-summary\"><div class=\"wc-block-components-product-summary has-text-align-center\" style=\"\">\n\t\t\t\t<p>Product Type: Automated High Pressure&hellip;<\/p>\n\n\t\t\t<\/div><\/div>\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-16018d1d wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/www.airmonitor.com\/industrial\/product\/auto-purge-iii\/\">View Product<\/a><\/div>\n<\/div>\n\n<\/div><\/div><\/div><\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"what-youll-find-in-the-new-application-guide\">What you\u2019ll find in the new Application Guide<\/h2>\n\n\n\n<p>The\u00a0information in this <strong>Application Guide<\/strong>\u00a0is helpful for engineers, plant operators, and maintenance teams responsible for combustion performance. In this guide you&#8217;ll find:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Clear explanation of why secondary airflow is foundational for modern combustion control strategies.<\/li>\n\n\n\n<li>Concise overview of the most common measurement challenges seen in real\u2011world plants.<\/li>\n\n\n\n<li>Practical description of how Air Monitor\u2019s engineered systems can be applied. This includes typical locations and configurations in secondary air ducts of a utility boiler system.<\/li>\n<\/ul>\n\n\n\n<p>For readers already familiar with Air Monitor\u2019s broader industrial offerings, this guide complements the <a href=\"https:\/\/www.airmonitor.com\/industrial\/applications\/secondary-airflow-measurement\/\">Secondary Airflow<\/a> content in the <a href=\"https:\/\/www.airmonitor.com\/industrial\/applications\/\">Industrial Airflow Applications<\/a>&nbsp;section of airmonitor.com.<\/p>\n\n\n\n<p>To see how plants like yours can improve combustion efficiency, reduce emissions, and cut fan energy with reliable secondary airflow data, download the new<a href=\"https:\/\/www.airmonitor.com\/industrial\/wp-content\/uploads\/sites\/3\/AirMonitor_ApplicationGuide_SecondaryAirflow.pdf\">&nbsp;Secondary Airflow in Power Plants Application Guide<\/a>&nbsp;today. For a deeper discussion of your specific duct layout, load profile, and regulatory goals, connect with an Air Monitor applications engineer through the Industrial section of&nbsp;<a href=\"https:\/\/www.airmonitor.com\/\">airmonitor.com<\/a>.<\/p>\n\n\n\n<div class=\"wp-block-stackable-button-group stk-block-button-group stk-block stk-e991f97\" data-block-id=\"e991f97\"><div class=\"stk-row stk-inner-blocks stk-block-content stk-button-group\">\n<div class=\"wp-block-stackable-button stk-block-button stk-block stk-f5d2814\" data-block-id=\"f5d2814\"><a class=\"stk-link stk-button stk--hover-effect-darken\" href=\"https:\/\/www.airmonitor.com\/industrial\/wp-content\/uploads\/sites\/3\/AirMonitor_ApplicationGuide_SecondaryAirflow.pdf\"><span class=\"stk-button__inner-text\">Download the Application Guide<\/span><\/a><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-button-group stk-block-button-group stk-block stk-23db43b\" data-block-id=\"23db43b\"><div class=\"stk-row stk-inner-blocks stk-block-content stk-button-group\">\n<div class=\"wp-block-stackable-icon-button stk-block-icon-button stk-block stk-e39f7bf\" data-block-id=\"e39f7bf\"><style>.stk-e39f7bf .stk-button{background:#c4302b !important;}<\/style><a class=\"stk-link stk-button stk--hover-effect-darken\" href=\"https:\/\/www.youtube.com\/@AirMonitorCorporation\"><span class=\"stk--svg-wrapper\"><div class=\"stk--inner-svg\"><svg data-prefix=\"fab\" data-icon=\"youtube\" class=\"svg-inline--fa fa-youtube fa-w-18\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 576 512\" aria-hidden=\"true\" width=\"32\" height=\"32\"><path fill=\"currentColor\" d=\"M549.655 124.083c-6.281-23.65-24.787-42.276-48.284-48.597C458.781 64 288 64 288 64S117.22 64 74.629 75.486c-23.497 6.322-42.003 24.947-48.284 48.597-11.412 42.867-11.412 132.305-11.412 132.305s0 89.438 11.412 132.305c6.281 23.65 24.787 41.5 48.284 47.821C117.22 448 288 448 288 448s170.78 0 213.371-11.486c23.497-6.321 42.003-24.171 48.284-47.821 11.412-42.867 11.412-132.305 11.412-132.305s0-89.438-11.412-132.305zm-317.51 213.508V175.185l142.739 81.205-142.739 81.201z\"><\/path><\/svg><\/div><\/span><\/a><\/div>\n\n\n\n<div class=\"wp-block-stackable-icon-button stk-block-icon-button stk-block stk-8aa9c14\" data-block-id=\"8aa9c14\"><style>.stk-8aa9c14 .stk-button{background:#0e76a8 !important;}<\/style><a class=\"stk-link stk-button stk--hover-effect-darken\" href=\"https:\/\/www.linkedin.com\/company\/air-monitor-corporation\/\"><span class=\"stk--svg-wrapper\"><div class=\"stk--inner-svg\"><svg data-prefix=\"fab\" data-icon=\"linkedin-in\" class=\"svg-inline--fa fa-linkedin-in fa-w-14\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 448 512\" aria-hidden=\"true\" width=\"32\" height=\"32\"><path fill=\"currentColor\" d=\"M100.28 448H7.4V148.9h92.88zM53.79 108.1C24.09 108.1 0 83.5 0 53.8a53.79 53.79 0 0 1 107.58 0c0 29.7-24.1 54.3-53.79 54.3zM447.9 448h-92.68V302.4c0-34.7-.7-79.2-48.29-79.2-48.29 0-55.69 37.7-55.69 76.7V448h-92.78V148.9h89.08v40.8h1.3c12.4-23.5 42.69-48.3 87.88-48.3 94 0 111.28 61.9 111.28 142.3V448z\"><\/path><\/svg><\/div><\/span><\/a><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-divider stk-block-divider stk-block stk-d7aeff2\" data-block-id=\"d7aeff2\"><hr class=\"stk-block-divider__hr\"\/><\/div>\n\n\n\n<p><em>Air Monitor has been delivering engineered airflow measurement solutions since 1967. As the premier solutions provider for Commercial HVAC, Industrial Process, and Power Generation markets, Air Monitor offers both differential pressure and thermal dispersion measurement technologies \u2014 because the right technology for the right application is never one-size-fits-all. Learn more at&nbsp;<\/em><a href=\"https:\/\/www.airmonitor.com\/\"><em>airmonitor.com<\/em><\/a><em>.<\/em><\/p>\n\n\n\n<div class=\"wp-block-stackable-divider stk-block-divider stk-block stk-594ac1b\" data-block-id=\"594ac1b\"><hr class=\"stk-block-divider__hr\"\/><\/div>\n\n\n\n<div class=\"wp-block-stackable-heading stk-block-heading stk-block-heading--v2 stk-block stk-1272e11\" id=\"frequently-asked-questions\" data-block-id=\"1272e11\"><h2 class=\"stk-block-heading__text\">Frequently Asked Questions<\/h2><\/div>\n\n\n\n<div class=\"schema-faq wp-block-yoast-faq-block\"><div class=\"schema-faq-section\" id=\"faq-question-1780498874459\"><strong class=\"schema-faq-question\">Q: <strong>Why is accurate secondary (bulk) airflow measurement so important for power plants?<\/strong><\/strong> <p class=\"schema-faq-answer\">A: Accurate secondary airflow measurement is essential because it directly affects the combustion air\u2011to\u2011fuel ratio, which in turn drives boiler efficiency, emissions performance, and overall safety. With many coal, gas, and oil\u2011fired units now operating across a wide load range and spending more time at low load, plants need reliable, repeatable secondary airflow data to maintain stable combustion and meet modern performance and environmental goals.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1780498995126\"><strong class=\"schema-faq-question\">Q: <strong>How do Air Monitor\u2019s multipoint Pitot solutions improve on traditional venturis and airfoils in secondary air ducts?<\/strong><\/strong> <p class=\"schema-faq-answer\">A: Air Monitor\u2019s VOLU\u2011probe and Combustion Airflow (CA) arrays, combined with the CAMS Combustion Airflow Management System, maintain stable, accurate measurement across up to 10:1 turndown and do not require long straight duct runs, thanks to high\u2011density sensing and compensation for distorted flow profiles. Additionally, these systems offer negligible permanent pressure loss and integrated AUTO\u2011purge cleaning, which helps reduce fan power consumption and maintenance compared to traditional venturis and airfoils.<\/p> <\/div> <\/div>\n","protected":false},"excerpt":{"rendered":"<p>Why secondary airflow now demands more attention Power plants are being pushed to operate cleaner, safer, and more efficiently. Many must cycle across a much wider load range than they were originally designed for. Secondary (bulk) airflow directly affects combustion air\u2011to\u2011fuel ratios. Getting the right \u201cmacro\u201d airflow number is critical for thermal efficiency, emissions performance, [&hellip;]<\/p>\n","protected":false},"author":249,"featured_media":1516,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_genesis_hide_title":false,"_genesis_hide_breadcrumbs":false,"_genesis_hide_singular_image":false,"_genesis_hide_footer_widgets":false,"_genesis_custom_body_class":"","_genesis_custom_post_class":"","_genesis_layout":"","footnotes":""},"categories":[1],"tags":[],"class_list":{"0":"post-1509","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-industrial-blog-topics","8":"entry"},"acf":[],"featured_image_urls_v2":{"full":["https:\/\/www.airmonitor.com\/industrial\/wp-content\/uploads\/sites\/3\/FIG4-El-Paso-type-Radient-Boiler-for-gas-firing-r4-002.jpg",2550,1350,false],"thumbnail":["https:\/\/www.airmonitor.com\/industrial\/wp-content\/uploads\/sites\/3\/FIG4-El-Paso-type-Radient-Boiler-for-gas-firing-r4-002-150x150.jpg",150,150,true],"medium":["https:\/\/www.airmonitor.com\/industrial\/wp-content\/uploads\/sites\/3\/FIG4-El-Paso-type-Radient-Boiler-for-gas-firing-r4-002-300x159.jpg",300,159,true],"medium_large":["https:\/\/www.airmonitor.com\/industrial\/wp-content\/uploads\/sites\/3\/FIG4-El-Paso-type-Radient-Boiler-for-gas-firing-r4-002-768x407.jpg",768,407,true],"large":["https:\/\/www.airmonitor.com\/industrial\/wp-content\/uploads\/sites\/3\/FIG4-El-Paso-type-Radient-Boiler-for-gas-firing-r4-002-1024x542.jpg",1024,542,true],"1536x1536":["https:\/\/www.airmonitor.com\/industrial\/wp-content\/uploads\/sites\/3\/FIG4-El-Paso-type-Radient-Boiler-for-gas-firing-r4-002-1536x813.jpg",1536,813,true],"2048x2048":["https:\/\/www.airmonitor.com\/industrial\/wp-content\/uploads\/sites\/3\/FIG4-El-Paso-type-Radient-Boiler-for-gas-firing-r4-002-2048x1084.jpg",2048,1084,true],"sidebar-featured":["https:\/\/www.airmonitor.com\/industrial\/wp-content\/uploads\/sites\/3\/FIG4-El-Paso-type-Radient-Boiler-for-gas-firing-r4-002-75x75.jpg",75,75,true],"product-application-square":["https:\/\/www.airmonitor.com\/industrial\/wp-content\/uploads\/sites\/3\/FIG4-El-Paso-type-Radient-Boiler-for-gas-firing-r4-002-300x300.jpg",300,300,true],"gb-block-post-grid-landscape":["https:\/\/www.airmonitor.com\/industrial\/wp-content\/uploads\/sites\/3\/FIG4-El-Paso-type-Radient-Boiler-for-gas-firing-r4-002-600x400.jpg",600,400,true],"gb-block-post-grid-square":["https:\/\/www.airmonitor.com\/industrial\/wp-content\/uploads\/sites\/3\/FIG4-El-Paso-type-Radient-Boiler-for-gas-firing-r4-002-600x600.jpg",600,600,true],"woocommerce_thumbnail":["https:\/\/www.airmonitor.com\/industrial\/wp-content\/uploads\/sites\/3\/FIG4-El-Paso-type-Radient-Boiler-for-gas-firing-r4-002-500x500.jpg",500,500,true],"woocommerce_single":["https:\/\/www.airmonitor.com\/industrial\/wp-content\/uploads\/sites\/3\/FIG4-El-Paso-type-Radient-Boiler-for-gas-firing-r4-002-655x347.jpg",655,347,true],"woocommerce_gallery_thumbnail":["https:\/\/www.airmonitor.com\/industrial\/wp-content\/uploads\/sites\/3\/FIG4-El-Paso-type-Radient-Boiler-for-gas-firing-r4-002-180x180.jpg",180,180,true],"gform-image-choice-sm":["https:\/\/www.airmonitor.com\/industrial\/wp-content\/uploads\/sites\/3\/FIG4-El-Paso-type-Radient-Boiler-for-gas-firing-r4-002.jpg",300,159,false],"gform-image-choice-md":["https:\/\/www.airmonitor.com\/industrial\/wp-content\/uploads\/sites\/3\/FIG4-El-Paso-type-Radient-Boiler-for-gas-firing-r4-002.jpg",400,212,false],"gform-image-choice-lg":["https:\/\/www.airmonitor.com\/industrial\/wp-content\/uploads\/sites\/3\/FIG4-El-Paso-type-Radient-Boiler-for-gas-firing-r4-002.jpg",600,318,false]},"post_excerpt_stackable_v2":"<p>Why secondary airflow now demands more attention Power plants are being pushed to operate cleaner, safer, and more efficiently. Many must cycle across a much wider load range than they were originally designed for. Secondary (bulk) airflow directly affects combustion air\u2011to\u2011fuel ratios. Getting the right \u201cmacro\u201d airflow number is critical for thermal efficiency, emissions performance, and safe boiler operation. Many coal, gas, and oil\u2011fired units now sit at low load for long periods waiting to ramp for peak demand. This circumstance makes accurate, repeatable airflow measurement over a broad turndown range more important than ever. Common pain points with traditional&hellip;<\/p>\n","category_list_v2":"<a href=\"https:\/\/www.airmonitor.com\/industrial\/blog\/category\/industrial-blog-topics\/\" rel=\"category tag\">Applications<\/a>","author_info_v2":{"name":"Ria Edens","url":"https:\/\/www.airmonitor.com\/industrial\/blog\/author\/redens\/"},"comments_num_v2":"0 comments","yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>New Application Guide: Solving Secondary Airflow Challenges in Power Plants - Industrial | Air Monitor<\/title>\n<meta name=\"description\" content=\"Read Air Monitor\u2019s secondary airflow application guide: improve combustion efficiency, emissions, and fan energy in power plants.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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plants?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"A: Accurate secondary airflow measurement is essential because it directly affects the combustion air\u2011to\u2011fuel ratio, which in turn drives boiler efficiency, emissions performance, and overall safety. With many coal, gas, and oil\u2011fired units now operating across a wide load range and spending more time at low load, plants need reliable, repeatable secondary airflow data to maintain stable combustion and meet modern performance and environmental goals.","inLanguage":"en-US"},"inLanguage":"en-US"},{"@type":"Question","@id":"https:\/\/www.airmonitor.com\/industrial\/blog\/new-application-guide-solving-secondary-airflow-challenges-in-power-plants\/#faq-question-1780498995126","position":2,"url":"https:\/\/www.airmonitor.com\/industrial\/blog\/new-application-guide-solving-secondary-airflow-challenges-in-power-plants\/#faq-question-1780498995126","name":"Q: How do Air Monitor\u2019s multipoint Pitot solutions improve on traditional venturis and airfoils in secondary air ducts?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"A: Air Monitor\u2019s VOLU\u2011probe and Combustion Airflow (CA) arrays, combined with the CAMS Combustion Airflow Management System, maintain stable, accurate measurement across up to 10:1 turndown and do not require long straight duct runs, thanks to high\u2011density sensing and compensation for distorted flow profiles. 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