{"id":488,"date":"2016-10-11T13:27:59","date_gmt":"2016-10-11T13:27:59","guid":{"rendered":"http:\/\/www.preferred-mfg.com\/blog\/?p=488"},"modified":"2016-10-11T19:41:42","modified_gmt":"2016-10-11T19:41:42","slug":"combustion-theory-efficiency","status":"publish","type":"post","link":"https:\/\/www.thepyroscope.com\/blog\/combustion-theory-efficiency\/","title":{"rendered":"Combustion Theory &#8211; Efficiency"},"content":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-489 size-full\" src=\"http:\/\/www.preferred-mfg.com\/blog\/wp-content\/uploads\/2016\/10\/Combustion-Theory-efficiency.jpg\" alt=\"combustion-theory-efficiency\" width=\"1440\" height=\"900\" srcset=\"https:\/\/www.thepyroscope.com\/blog\/wp-content\/uploads\/2016\/10\/Combustion-Theory-efficiency.jpg 1440w, https:\/\/www.thepyroscope.com\/blog\/wp-content\/uploads\/2016\/10\/Combustion-Theory-efficiency-300x188.jpg 300w, https:\/\/www.thepyroscope.com\/blog\/wp-content\/uploads\/2016\/10\/Combustion-Theory-efficiency-768x480.jpg 768w, https:\/\/www.thepyroscope.com\/blog\/wp-content\/uploads\/2016\/10\/Combustion-Theory-efficiency-1024x640.jpg 1024w, https:\/\/www.thepyroscope.com\/blog\/wp-content\/uploads\/2016\/10\/Combustion-Theory-efficiency-624x390.jpg 624w\" sizes=\"(max-width: 1440px) 100vw, 1440px\" \/><\/p>\n<h2>Understanding Combustion Efficiency<\/h2>\n<p>The efficiency of a burner-boiler combination is simply the amount of useful energy leaving the system expressed as a percentage of the chemical energy in the fuel entering the system.<\/p>\n<h2>Why should I care about efficiency?<\/h2>\n<p>Accounting for the loss\u00a0of useful energy is an important step in evaluating overall cost.<\/p>\n<p>For instance, a change in efficiency by\u00a0as little as\u00a05% can have a major impact on the operational expense of a facility.\u00a0The larger the facility&#8217;s consumption of fuel and electricity, the more drastic the cost.<\/p>\n<h2>General rules of conservation of energy are:<\/h2>\n<ul>\n<li>Fuel energy \u201cin\u201d equals heat energy \u201cout.\u201d<\/li>\n<li>Energy leaves in steam or in losses.<\/li>\n<li>Efficiency + 100% minus all losses.<\/li>\n<\/ul>\n<p>The typical efficiency of a boiler\u00a0is 80% to 85%. The remaining 15% to 20% is lost. These losses usually fall in the following percentages:<\/p>\n<ul>\n<li>15% typical \u201cstack loss.\u201d<\/li>\n<li>3% radiation loss.<\/li>\n<li>1% to 2% miscellaneous loss.<\/li>\n<\/ul>\n<p>The table below shows you how to calculate your cost with your efficiency as the variable.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-490 alignleft\" src=\"http:\/\/www.preferred-mfg.com\/blog\/wp-content\/uploads\/2016\/10\/Table-Operating-Costs-300x191.jpg\" alt=\"table-operating-costs\" width=\"300\" height=\"191\" srcset=\"https:\/\/www.thepyroscope.com\/blog\/wp-content\/uploads\/2016\/10\/Table-Operating-Costs-300x191.jpg 300w, https:\/\/www.thepyroscope.com\/blog\/wp-content\/uploads\/2016\/10\/Table-Operating-Costs-624x397.jpg 624w, https:\/\/www.thepyroscope.com\/blog\/wp-content\/uploads\/2016\/10\/Table-Operating-Costs.jpg 628w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/p>\n<h2>Operator \/ Install Tips<\/h2>\n<p>Since a\u00a0burner must be set up to operate cleanly under worst-case conditions, you must provide enough excess air in order\u00a0to burn any additional fuel that the metering device at the burner may introduce.<\/p>\n<p>You should\u00a0also ensure that there is\u00a0sufficient excess air available on a hot, humid summer day. Remember: there is no way to prevent heat and humidity, but with the proper control systems, you should be able to control fuel flow\u00a0precisely and efficiently.<\/p>\n<h4 style=\"text-align: left;\"><strong>Other posts in this series:<\/strong><\/h4>\n<ul>\n<li><a href=\"http:\/\/www.preferred-mfg.com\/blog\/understanding-local-law-87-and-laws-like-it\/\"><strong>Understanding Local Law 87<\/strong><\/a> \u2013 and laws like it<\/li>\n<li><a href=\"http:\/\/www.preferred-mfg.com\/blog\/combustion-theory-the-basics\/\"><span style=\"text-decoration: underline;\"><strong>Combustion Theory: The Basics<\/strong><\/span><\/a><\/li>\n<li><a href=\"http:\/\/www.preferred-mfg.com\/blog\/combustion-theory-variables\/\"><strong>Combustion Theory: Variables<\/strong><\/a> &#8211; Account for variations in oxygen and fuel<\/li>\n<li><a href=\"http:\/\/www.preferred-mfg.com\/blog\/combustion-theory-efficiency\/\"><strong>Combustion Theory: Efficiency<\/strong><\/a>\u00a0&#8211;\u00a0Calculate efficiency and losses<\/li>\n<li><strong>Combustion Theory: FGR<\/strong> &#8211; See how flue gas recirculation reduces NOx<\/li>\n<li><strong>Combustion Theory:<\/strong> <strong>Combustion Controls<\/strong> &#8211; Learn how cutting-edge\u00a0tech can cut your\u00a0emissions<\/li>\n<li><strong>Combustion Systems: Design &#8211;<\/strong>\u00a0Basic principles to follow when designing your combustion system<\/li>\n<li><strong>Combustion Systems: Troubleshooting:<\/strong>\u00a0Burner problems and their causes<\/li>\n<li><strong>Combustion Control: Strategies &#8211;\u00a0<\/strong>Linkage vs. Linkageless, and why you should care<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Understanding Combustion Efficiency The efficiency of a burner-boiler combination is simply the amount of useful energy leaving the system expressed as a percentage of the chemical energy in the fuel entering the system. Why should I care about efficiency? Accounting for the loss\u00a0of useful energy is an important step in evaluating overall cost. For instance, a change in [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"content-type":"","footnotes":""},"categories":[32],"tags":[],"_links":{"self":[{"href":"https:\/\/www.thepyroscope.com\/blog\/wp-json\/wp\/v2\/posts\/488"}],"collection":[{"href":"https:\/\/www.thepyroscope.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.thepyroscope.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.thepyroscope.com\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.thepyroscope.com\/blog\/wp-json\/wp\/v2\/comments?post=488"}],"version-history":[{"count":5,"href":"https:\/\/www.thepyroscope.com\/blog\/wp-json\/wp\/v2\/posts\/488\/revisions"}],"predecessor-version":[{"id":493,"href":"https:\/\/www.thepyroscope.com\/blog\/wp-json\/wp\/v2\/posts\/488\/revisions\/493"}],"wp:attachment":[{"href":"https:\/\/www.thepyroscope.com\/blog\/wp-json\/wp\/v2\/media?parent=488"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.thepyroscope.com\/blog\/wp-json\/wp\/v2\/categories?post=488"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.thepyroscope.com\/blog\/wp-json\/wp\/v2\/tags?post=488"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}