{"id":2101,"date":"2020-09-23T10:00:00","date_gmt":"2020-09-23T18:00:00","guid":{"rendered":"https:\/\/www.linquip.com\/blog\/?p=2101"},"modified":"2023-01-10T04:00:18","modified_gmt":"2023-01-10T12:00:18","slug":"axial-flow-compressors","status":"publish","type":"post","link":"https:\/\/www.linquip.com\/blog\/axial-flow-compressors\/","title":{"rendered":"Axial Flow Compressors 101: The Essential Overview"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.linquip.com\/blog\/axial-flow-compressors\/#What_Are_Axial_Flow_Compressors\" >What Are Axial Flow Compressors?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.linquip.com\/blog\/axial-flow-compressors\/#Axial_Compressors_Diagram\" >Axial Compressors Diagram<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.linquip.com\/blog\/axial-flow-compressors\/#The_Design_of_Axial_Compressors\" >The Design of Axial Compressors<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.linquip.com\/blog\/axial-flow-compressors\/#Some_Terminology\" >Some Terminology<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.linquip.com\/blog\/axial-flow-compressors\/#Applications_of_Axial_Flow_Compressors\" >Applications of Axial Flow Compressors<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.linquip.com\/blog\/axial-flow-compressors\/#Sources_of_Loss_in_Axial_Flow_Compressors\" >Sources of Loss in Axial Flow Compressors<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.linquip.com\/blog\/axial-flow-compressors\/#Axial_Flow_Compressors_vs_Centrifugal_Compressors\" >Axial Flow Compressors vs. Centrifugal Compressors<\/a><\/li><\/ul><\/nav><\/div>\n<p>Axial flow compressors, or in a shorter form, axial compressors belong to the category of dynamic compressors (If you need to refresh your member on different air compressor types check this <a href=\"https:\/\/www.linquip.com\/blog\/types-of-air-compressors\/\">post<\/a>). These types of compressors are made up of rotary and stationary components through which the air flows to become compressed.<\/p>\n<p>Now, you might wonder if these types of compressors are the correct choice for your application. Well, this post will guide you through what to expect from an axial flow compressor, and if you made up your mind about purchasing these compressors, we at Linquip have provided you all the convenience you need to make a proper purchase of your desired machinery. Follow this <a href=\"https:\/\/www.linquip.com\/equipment\/220\/compressor\">link<\/a> to get your assistance.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"What_Are_Axial_Flow_Compressors\"><\/span>What Are Axial Flow Compressors?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Axial flow compressors, as the name suggests, are a type of air compressors that move the air in a direction parallel with some axis. That axis is the axis of rotation of the driving shaft which moves the rotor blades around it. Between each two rows of rotor blades, which from now on will be referred to as rotors, there is a row of stator blades (to be called stators) attached to the casing of the compressor. These blades have in fact tiny airfoil cross sections just as we see on the wings of aircraft.<\/p>\n<p>The intake of the axial flow air compressors starts with a row of stationary vanes. This is to ensure a uniform entry of the air to the compressor. Rotors increase the speed of air flow in axial and circumferential directions. Now through the stators, the speed of air flow or its kinetic energy is converted to static pressure through a process called diffusion (some of the pressure rise also occurs in the rotors). Each stator row not only acts as a pressure raising agent, but also it redirects the flow direction so that it can properly enter the next row of rotor blades.<\/p>\n<figure id=\"attachment_2102\" aria-describedby=\"caption-attachment-2102\" style=\"width: 464px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"size-full wp-image-2102\" src=\"https:\/\/www.linquip.com\/blog\/wp-content\/uploads\/2020\/09\/Axial-compressor-axial-flow-compressor.jpg\" alt=\"Axial compressor - axial flow compressor\" width=\"464\" height=\"281\" title=\"\" srcset=\"https:\/\/www.linquip.com\/blog\/wp-content\/uploads\/2020\/09\/Axial-compressor-axial-flow-compressor.jpg 464w, https:\/\/www.linquip.com\/blog\/wp-content\/uploads\/2020\/09\/Axial-compressor-axial-flow-compressor-300x182.jpg 300w\" sizes=\"(max-width: 464px) 100vw, 464px\" \/><figcaption id=\"caption-attachment-2102\" class=\"wp-caption-text\">Image from MIT<\/figcaption><\/figure>\n<p>The combination of a stators row followed by a rotors row is called a stage, and each stage of industrial axial flow compressors could raise the pressure by something between 5% and 25%. This means that in order to have high pressure ratios, you need multiple stages for your compressor.<\/p>\n<p>Industrial axial flow compressors are the ones you might purchase, but just to get an idea of what is out there, let us say that since these compressors are placed on the ground or ships, the flow speed is not that high; the flow is subsonic. However, aircrafts also make use of these compressors in their jet engines, and since they fly at much higher speed near the speed of sound where the flow becomes transonic, each stage of the compressor raises the pressure between 15% and 60%. There are also some laboratory designs that are still being studied that could handle supersonic air compression, pressure rise which is reported to be 80% to 120% per stage.<\/p>\n<p>&nbsp;<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Axial_Compressors_Diagram\"><\/span>Axial Compressors Diagram<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<figure id=\"attachment_2104\" aria-describedby=\"caption-attachment-2104\" style=\"width: 472px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"size-full wp-image-2104\" src=\"https:\/\/www.linquip.com\/blog\/wp-content\/uploads\/2020\/09\/Image-from-MIT-stator-and-rotor-axial-flow-compressors.jpg\" alt=\"stator and rotor - axial flow compressors\" width=\"472\" height=\"185\" title=\"\" srcset=\"https:\/\/www.linquip.com\/blog\/wp-content\/uploads\/2020\/09\/Image-from-MIT-stator-and-rotor-axial-flow-compressors.jpg 472w, https:\/\/www.linquip.com\/blog\/wp-content\/uploads\/2020\/09\/Image-from-MIT-stator-and-rotor-axial-flow-compressors-300x118.jpg 300w\" sizes=\"(max-width: 472px) 100vw, 472px\" \/><figcaption id=\"caption-attachment-2104\" class=\"wp-caption-text\">Image from MIT (IGV: Inlet Guide Vane, R: Rotor, S: Stator)<\/figcaption><\/figure>\n<p>As already mentioned, the air intake of axial air compressors starts with a row of stationary blades called the inlet guide vanes. They provide a proper air direction reaching at the first stage of the compressor. The compressor stages are placed successively until the final desired pressure is achieved after the last stage of the axial compressor.<\/p>\n<p>What matters here is that the space between each row of rotors and their followed row of stators in a stage should be as small as possible to ensure smoothness of air flow. Each stage is also placed as closely as possible to the next stage to provide a smooth air flow. There is also very little clearance between the stator tips and the shaft as well as between the rotor tips and casing.<\/p>\n<figure id=\"attachment_2105\" aria-describedby=\"caption-attachment-2105\" style=\"width: 310px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"size-full wp-image-2105\" src=\"https:\/\/www.linquip.com\/blog\/wp-content\/uploads\/2020\/09\/pressure-and-velocity-profile-axial-flow-compressors.jpg\" alt=\"pressure and velocity profile - axial flow compressors\" width=\"310\" height=\"318\" title=\"\" srcset=\"https:\/\/www.linquip.com\/blog\/wp-content\/uploads\/2020\/09\/pressure-and-velocity-profile-axial-flow-compressors.jpg 310w, https:\/\/www.linquip.com\/blog\/wp-content\/uploads\/2020\/09\/pressure-and-velocity-profile-axial-flow-compressors-292x300.jpg 292w\" sizes=\"(max-width: 310px) 100vw, 310px\" \/><figcaption id=\"caption-attachment-2105\" class=\"wp-caption-text\">Image from MIT<\/figcaption><\/figure>\n<p>Now, as can be seen in the figure above, the space for the air as it passes through the stages of the compressor is gradually decreased. The reason behind this is for the axial velocity of the air through these compressors to remain constant as the pressure increase per stage. Another important point here is about the arrangement of the stators and rotors which is done in a way to provide diverging areas. Diverging passageways result in lowering of the speed and increase of the pressure (for subsonic flow).<\/p>\n<h2><span class=\"ez-toc-section\" id=\"The_Design_of_Axial_Compressors\"><\/span>The Design of Axial Compressors<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Axial flow compressors are designed in a way to be able to handle some level of off-design operations. This means that they can handle when air flow and speed, or pressure ratios differ from the design point to some level. However, when the amount of deviation exceeds that limit, it could result in compressor stall and then surge for higher-than-design-point flow rates and choking of the compressor for low air flows.<\/p>\n<p>The level of handling off-design operation depends on the number of stages and the overall pressure increase delivered by the compressor. By considering some design flexibility for the axial compressor such as adjustable stators, bleed valves, or multi-spool (driving shaft in driving shaft) design could help with better handling of off-design operation for axial flow compressors.<\/p>\n<p><img decoding=\"async\" class=\"aligncenter size-full wp-image-2106\" src=\"https:\/\/www.linquip.com\/blog\/wp-content\/uploads\/2020\/09\/disk-vs-drum-type-rotor-axial-flow-compressors.png\" alt=\"disk vs drum type rotor - axial flow compressors\" width=\"441\" height=\"328\" title=\"\" srcset=\"https:\/\/www.linquip.com\/blog\/wp-content\/uploads\/2020\/09\/disk-vs-drum-type-rotor-axial-flow-compressors.png 441w, https:\/\/www.linquip.com\/blog\/wp-content\/uploads\/2020\/09\/disk-vs-drum-type-rotor-axial-flow-compressors-300x223.png 300w, https:\/\/www.linquip.com\/blog\/wp-content\/uploads\/2020\/09\/disk-vs-drum-type-rotor-axial-flow-compressors-80x60.png 80w, https:\/\/www.linquip.com\/blog\/wp-content\/uploads\/2020\/09\/disk-vs-drum-type-rotor-axial-flow-compressors-160x120.png 160w, https:\/\/www.linquip.com\/blog\/wp-content\/uploads\/2020\/09\/disk-vs-drum-type-rotor-axial-flow-compressors-265x198.png 265w\" sizes=\"(max-width: 441px) 100vw, 441px\" \/><\/p>\n<p>There are two configurations for compressor rotors. The first kind of rotor blade configurations for axial flow air compressors is called the drum type in which the rotors are placed on a constant-diameter driving shaft with the casing approaching the shaft as the flow goes into later stages of the axial compressor. The second type of axial air compressors are called disk type compressors in which the casing has a constant diameter, but the shaft has an increasing diameter to lower the air volume as it reaches to the outlet of the air compressor.<\/p>\n<p>The drum type rotor configuration is used for industrial applications. The disk type configuration of rotors yields a light-weight design, making them the best choice for aircraft engine compressors. Nonetheless, for both of the rotor configurations, the axial component of the air velocity is kept at a more or less constant value using such gradually contracting the space between the shaft and casing. This is an important design consideration because steady air delivery after the compressor job has been done is important for the later sections of the system.<\/p>\n<p>In order to deliver what these design configurations are intended for, specific materials need to be used for manufacturing of the major components of the axial flow compressors. For instance, rotors and stators are made from aluminum, titanium, nickel alloys, steel, or some fibrous composites. The casing is made from a composition of aluminum, magnesium, titanium, steel, or iron.<\/p>\n<div class=\"su-note\"  style=\"border-color:#282828;border-radius:9px;-moz-border-radius:9px;-webkit-border-radius:9px;\"><div class=\"su-note-inner su-u-clearfix su-u-trim\" style=\"background-color:#424242;border-color:#ffffff;color:#ffffff;border-radius:9px;-moz-border-radius:9px;-webkit-border-radius:9px;\"><a href=\"https:\/\/www.linquip.com\/feed\"><img decoding=\"async\" class=\"alignnone\" src=\"https:\/\/www.linquip.com\/blog\/wp-content\/uploads\/2021\/04\/Test.jpg\" alt=\"Girl in a jacket\" width=\"300\" height=\"82\" title=\"\"><\/a><\/p>\n<p style=\"roboto: sans serif;\"><b><a style=\"color: #84ffff;\">\u00a0 \u00a0See All Air Compressor Experts<\/a><br \/>\n<b><a style=\"color: #84ffff;\" href=\"https:\/\/www.linquip.com\/companies\/service-provider?category_id=220\">\u00a0\u00a0 See All Air Compressor Service Provider<br \/>\n<b><\/b><\/a><b><a style=\"color: #84ffff;\" href=\"https:\/\/www.linquip.com\/companies\/manufacturer?category_id=220\">\u00a0\u00a0 See All Air Compressor Manufactures<br \/>\n<\/a><\/b><\/b><\/b><\/p>\n<\/div><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Some_Terminology\"><\/span>Some Terminology<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Other than pressure ratio, or what an IGV is or what rotors or stators are, there are some other terms commonly heard when it comes to axial flow compressors. As you have probably noticed so far, the blade design and configuration is the real challenge when designing an axial compressor. And you might remember that each blade is like an airfoil; therefore, the same terminology applies here:<\/p>\n<p><img decoding=\"async\" class=\"aligncenter size-full wp-image-2107\" src=\"https:\/\/www.linquip.com\/blog\/wp-content\/uploads\/2020\/09\/blade-airfoil-axial-flow-compressors.png\" alt=\"blade airfoil - axial flow compressors\" width=\"473\" height=\"152\" title=\"\" srcset=\"https:\/\/www.linquip.com\/blog\/wp-content\/uploads\/2020\/09\/blade-airfoil-axial-flow-compressors.png 473w, https:\/\/www.linquip.com\/blog\/wp-content\/uploads\/2020\/09\/blade-airfoil-axial-flow-compressors-300x96.png 300w\" sizes=\"(max-width: 473px) 100vw, 473px\" \/><\/p>\n<ul>\n<li>Leading edge: the tip of the compressor blade.<\/li>\n<li>Trailing edge: the rear end of the compressor blade.<\/li>\n<li>Suction face: the bottom surface of each compressor blade which sees the counter direction of the shaft rotation.<\/li>\n<li>Pressure face: the upper surface of each compressor blade which sees ahead of the direction of the driving shaft rotation.<\/li>\n<li>Camber line: the line connecting all the middle points between the suction and pressure face. Well, the more accurate way of defining a camber line is the line that connects the center of all circles circumscribed by the suction and pressure surfaces.<\/li>\n<li>Chord line: the straight line connecting the leading edge and trailing edge of the blade.<\/li>\n<li>Blade angle of attack: the angle that the chord line makes with the horizon.<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Applications_of_Axial_Flow_Compressors\"><\/span>Applications of Axial Flow Compressors<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Axial compressors are mostly used for power generation purposes. Power generation could be at power stations or large industrial plants where gas turbines are used to generate electric power. This application of axial compressors could also be found in large marine gas turbine power plants. The more challenging design and manufacturing of air compressors is for aerial gas turbines that are used for aircraft.<\/p>\n<p>Apart from power generation purposes, axial flow air compressors could also be used in chemical plants such as nitric acid plants, air separation plants, and also blast furnaces that produce industrial metals such as pig iron, or even lead and copper.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Sources_of_Loss_in_Axial_Flow_Compressors\"><\/span>Sources of Loss in Axial Flow Compressors<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>The purpose of a compressor is to increase the pressure of the fluid passing through it; therefore, the compressor means the loss of pressure inside the compressor. Compressor pressure losses happen in each of the stages and are due to the following reasons:<\/p>\n<ul>\n<li>Skin friction of the annulus walls,<\/li>\n<li>Profiles losses on blade surfaces,<\/li>\n<li>Secondary flow losses. (for further information about turbomachinery losses see <a href=\"https:\/\/en.wikipedia.org\/wiki\/Three-dimensional_losses_and_correlation_in_turbomachinery#:~:text=In%20a%20turbine%2C%20secondary%20flow,layer%2C%20through%20formation%20of%20vortices.\" target=\"_blank\" rel=\"noopener\">here<\/a>)<\/li>\n<\/ul>\n<div class=\"su-note\"  style=\"border-color:#282828;border-radius:9px;-moz-border-radius:9px;-webkit-border-radius:9px;\"><div class=\"su-note-inner su-u-clearfix su-u-trim\" style=\"background-color:#424242;border-color:#ffffff;color:#ffffff;border-radius:9px;-moz-border-radius:9px;-webkit-border-radius:9px;\"><a href=\"https:\/\/www.linquip.com\/feed\"><img decoding=\"async\" class=\"alignnone\" src=\"https:\/\/www.linquip.com\/blog\/wp-content\/uploads\/2021\/04\/Test.jpg\" alt=\"Girl in a jacket\" width=\"300\" height=\"82\" title=\"\"><\/a><\/p>\n<p style=\"roboto: sans serif;\"><b><a style=\"color: #84ffff;\" href=\"https:\/\/www.linquip.com\/equipment\/134\/compressors\">\u00a0 \u00a0What is Air Compressor?<\/a><br \/>\n<b><a style=\"color: #84ffff;\" href=\"https:\/\/www.linquip.com\/equipment?q=Air%20Compressor\">\u00a0\u00a0 Air Compressor For Sales<br \/>\n<b><\/b><\/a><\/b><\/b><\/p>\n<\/div><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Axial_Flow_Compressors_vs_Centrifugal_Compressors\"><\/span>Axial Flow Compressors vs. Centrifugal Compressors<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Dynamic compressors include the axial and centrifugal types, and their comparison is a common thing to do when you are wondering which might be the best fit to your application. Let us compare these two types from various perspectives:<\/p>\n<table>\n<tbody>\n<tr>\n<td width=\"208\"><\/td>\n<td width=\"208\"><strong>Axial Flow Compressors<\/strong><\/td>\n<td width=\"208\"><strong>Centrifugal Compressors<\/strong><\/td>\n<\/tr>\n<tr>\n<td width=\"208\"><strong>Flow direction<\/strong><\/td>\n<td width=\"208\">Parallel to the axis of shaft rotation<\/td>\n<td width=\"208\">Radially receding from the driving shaft (In a way perpendicular to the axis of shaft rotation)<\/td>\n<\/tr>\n<tr>\n<td width=\"208\"><strong>Operation<\/strong><\/td>\n<td width=\"208\">Narrow off-design operation limits between choking and surging situations \u2192 Poor partial load performance<\/td>\n<td width=\"208\">Extended off-design operation limits between choking and surging situations \u2192 Better partial load performance<\/td>\n<\/tr>\n<tr>\n<td width=\"208\"><strong>Per-stage pressure ratio<\/strong><\/td>\n<td width=\"208\">1.25:1 for subsonic flow operation (tops) \u2192\u00a0Multiple stages required<\/td>\n<td width=\"208\">4.5:1 for subsonic operation (tops) \u2192 lower number of stages required for the same overall pressure ratio as the axial compressor<\/td>\n<\/tr>\n<tr>\n<td width=\"208\"><strong>Isentropic efficiency<\/strong><\/td>\n<td width=\"208\">86% &#8211; 88%<\/td>\n<td width=\"208\">80% &#8211; 82%<\/td>\n<\/tr>\n<tr>\n<td width=\"208\"><strong>Starting power<\/strong><\/td>\n<td width=\"208\">High<\/td>\n<td width=\"208\">Low<\/td>\n<\/tr>\n<tr>\n<td width=\"208\"><strong>Design and manufacturing<\/strong><\/td>\n<td width=\"208\">\n<ul>\n<li>Challenging blade and compressor design and manufacturing + more components\n<ul>\n<li>higher unit price for the same pressure ratio delivery<\/li>\n<li>higher maintenance costs<\/li>\n<\/ul>\n<\/li>\n<li>Suitable design for multi-staging<\/li>\n<\/ul>\n<\/td>\n<td width=\"208\">\n<ul>\n<li>Simpler design and manufacturing + less components\n<ul>\n<li>lower unit price<\/li>\n<li>lower maintenance costs<\/li>\n<\/ul>\n<\/li>\n<li>Difficult multi-staging design<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<tr>\n<td width=\"208\"><strong>Mass flow rates<\/strong><\/td>\n<td width=\"208\">High mass flow rates<\/td>\n<td width=\"208\">Lower mass flow rates<\/td>\n<\/tr>\n<tr>\n<td width=\"208\"><strong>Frontal area<\/strong><\/td>\n<td width=\"208\">Smaller frontal area<\/td>\n<td width=\"208\">Larger frontal area compared to axial flow compressors for the same mass flow rate<\/td>\n<\/tr>\n<tr>\n<td width=\"208\"><strong>deposit accumulation sensitivity<\/strong><\/td>\n<td width=\"208\">Sensitive to deposit accumulation of the passage surfaces \u2192 lowering of performance<\/td>\n<td width=\"208\">Almost insensitive to deposit accumulation on the passage surfaces \u2192 no performance loss<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3><\/h3>\n<h3><b>Buy Equipment or Ask for a Service<\/b><\/h3>\n<p>By using Linquip RFQ Service, you can expect\u00a0to receive quotations from various suppliers across multiple industries and regions.<\/p>\n<p style=\"text-align: center;\"><strong><a href=\"http:\/\/linquip.com\/get-quote?utm_source=blog&amp;utm_medium=content&amp;utm_campaign=product_list&amp;utm_term=product_list&amp;utm_content=rfq\" target=\"_blank\" rel=\"noopener\">Click Here to Request a Quotation From Suppliers and Service Providers<\/a><\/strong><\/p>\n<p><em><strong>Read More on Linquip<\/strong><\/em><\/p>\n<ul>\n<li><span style=\"text-decoration: underline;\"><span style=\"font-family: verdana, geneva, sans-serif; font-size: 10pt;\"><strong><a href=\"https:\/\/www.linquip.com\/blog\/rotary-vane-compressors\/\" target=\"_blank\" rel=\"noopener\">Rotary Vane Compressors 101: The Essential Intro<\/a><\/strong><\/span><\/span><\/li>\n<li><span style=\"text-decoration: underline;\"><span style=\"font-family: verdana, geneva, sans-serif; font-size: 10pt;\"><strong><a href=\"https:\/\/www.linquip.com\/blog\/differences-between-axial-compressor-centrifugal\/\" target=\"_blank\" rel=\"noopener\">The Differences Between Axial Compressor &amp; Centrifugal Compressor<\/a><\/strong><\/span><\/span><\/li>\n<li><span style=\"text-decoration: underline;\"><span style=\"font-family: verdana, geneva, sans-serif; font-size: 10pt;\"><strong><a href=\"https:\/\/www.linquip.com\/blog\/types-of-air-compressors\/\" target=\"_blank\" rel=\"noopener\">The Essential Guide to the Types of Air Compressors<\/a><\/strong><\/span><\/span><\/li>\n<li><span style=\"text-decoration: underline;\"><span style=\"font-family: verdana, geneva, sans-serif; font-size: 10pt;\"><strong><a href=\"https:\/\/www.linquip.com\/blog\/types-of-compressor\/\" target=\"_blank\" rel=\"noopener\">Everything You Need To Know About Different Types Of Compressor<\/a><\/strong><\/span><\/span><\/li>\n<li><span style=\"text-decoration: underline;\"><span style=\"font-family: verdana, geneva, sans-serif; font-size: 10pt;\"><strong><a href=\"https:\/\/www.linquip.com\/blog\/types-of-centrifugal-compressor\/\" target=\"_blank\" rel=\"noopener\">Types of Centrifugal Compressor: An Ultimate Guide<\/a><\/strong><\/span><\/span><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Axial flow compressors, or in a shorter form, axial compressors belong to the category of dynamic compressors (If you need to refresh your member on different air compressor types check this post). These types of compressors are made up of rotary and stationary components through which the air flows to become compressed. Now, you might &#8230;<\/p>\n","protected":false},"author":5,"featured_media":2103,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"default","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","footnotes":""},"categories":[9,1442],"tags":[333],"class_list":["post-2101","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-compressor","category-air-compressor","tag-industrial-guideline"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.linquip.com\/blog\/wp-json\/wp\/v2\/posts\/2101","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.linquip.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.linquip.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.linquip.com\/blog\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/www.linquip.com\/blog\/wp-json\/wp\/v2\/comments?post=2101"}],"version-history":[{"count":4,"href":"https:\/\/www.linquip.com\/blog\/wp-json\/wp\/v2\/posts\/2101\/revisions"}],"predecessor-version":[{"id":25674,"href":"https:\/\/www.linquip.com\/blog\/wp-json\/wp\/v2\/posts\/2101\/revisions\/25674"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.linquip.com\/blog\/wp-json\/wp\/v2\/media\/2103"}],"wp:attachment":[{"href":"https:\/\/www.linquip.com\/blog\/wp-json\/wp\/v2\/media?parent=2101"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.linquip.com\/blog\/wp-json\/wp\/v2\/categories?post=2101"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.linquip.com\/blog\/wp-json\/wp\/v2\/tags?post=2101"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}