{"id":11204,"date":"2026-08-04T07:11:06","date_gmt":"2026-08-04T05:11:06","guid":{"rendered":"https:\/\/felsaris.com\/?post_type=glossar&p=11204"},"modified":"2026-08-19T11:06:43","modified_gmt":"2026-08-19T09:06:43","slug":"internal-combustion-engine","status":"publish","type":"glossar","link":"https:\/\/felsaris.com\/en\/glossar\/internal-combustion-engine\/","title":{"rendered":"internal combustion engine"},"content":{"rendered":"

An internal combustion engine is a heat engine that converts the chemical energy of a fuel into mechanical work through combustion. Combustion takes place directly in the engine working chamber or in a closely coupled combustion chamber. Important target quantities include power, torque, efficiency, emissions, component temperatures and durability. In development, the air path, fuel system, combustion chamber, ignition, cooling, exhaust aftertreatment and charging system must be considered as one connected system.<\/p>\n","protected":false},"excerpt":{"rendered":"

An internal combustion engine converts the chemical energy of a fuel into mechanical work through combustion. Efficient and low-emission engine design requires the air path, combustion, cooling, turbocharging and exhaust aftertreatment to be optimized as one integrated system.<\/p>\n","protected":false},"author":2,"featured_media":11624,"template":"","meta":{"_acf_changed":false,"inline_featured_image":false},"class_list":["post-11204","glossar","type-glossar","status-publish","has-post-thumbnail","hentry"],"acf":[],"yoast_head":"\nCombustion Engines: Function & Development | Felsaris<\/title>\n<meta name=\"description\" content=\"How an internal combustion engine works: gas exchange, combustion, boosting and emissions \u2013 explained concisely for development and practice.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/felsaris.com\/en\/glossar\/internal-combustion-engine\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" 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