{"id":2945,"date":"2023-02-02T10:29:36","date_gmt":"2023-02-02T10:29:36","guid":{"rendered":"https:\/\/emhabv.com\/?post_type=project&#038;p=2945"},"modified":"2025-04-22T12:55:56","modified_gmt":"2025-04-22T12:55:56","slug":"damage-propulsion-engine-appendages","status":"publish","type":"project","link":"https:\/\/emhabv.com\/en\/project\/damage-propulsion-engine-appendages\/","title":{"rendered":"Damage propulsion engine appendages"},"content":{"rendered":"\r\n<p>EMHA investigated the repeated failure of propulsion engine components on an inland vessel. After obtaining a comprehensive recording of vibration data, analysis showed that the cause of the failures was a resonance of the exhaust piping. The natural frequency of the exhaust piping was excited by the combustion frequency of the engine, which resulted in vibration levels up to 304 mm\/s RMS, versus a typical allowable level of 50 mm\/s RMS.<\/p>\r\n\r\n\r\n\r\n<p>Our engineers could improve the situation significantly by implementing the following recommendations:<\/p>\r\n\r\n\r\n\r\n<ul class=\"wp-block-list\"><li>Improved exhaust piping support,<\/li><li>The replacement of the exhaust elbow by a lighter alternative<\/li><\/ul>\r\n\r\n\r\n\r\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\">\r\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" data-id=\"2948\" src=\"https:\/\/emhabv.com\/app\/uploads\/2023\/02\/Diagnose2.jpg\" alt=\"\" class=\"wp-image-2948 img-fluid i\"\/><\/figure>\r\n\r\n\r\n\r\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" data-id=\"2946\" src=\"https:\/\/emhabv.com\/app\/uploads\/2023\/02\/Diagnose1.jpg\" alt=\"\" class=\"wp-image-2946 img-fluid i\"\/><\/figure>\r\n\r\n\r\n\r\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" data-id=\"2949\" src=\"https:\/\/emhabv.com\/app\/uploads\/2023\/02\/Diagnose1.jpg\" alt=\"\" class=\"wp-image-2949 img-fluid i\"\/><\/figure>\r\n\r\n\r\n\r\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" data-id=\"2947\" src=\"https:\/\/emhabv.com\/app\/uploads\/2023\/02\/Diagnose3.png\" alt=\"\" class=\"wp-image-2947 img-fluid i\"\/><\/figure>\r\n<\/figure>\r\n","protected":false},"excerpt":{"rendered":"<p>EMHA investigated the repeated failure of propulsion engine components on an inland vessel. After obtaining a comprehensive recording of vibration data, analysis showed that the cause of the failures was a resonance of the exhaust piping. The natural frequency of the exhaust piping was excited by the combustion frequency of the engine, which resulted in &hellip;<\/p>\n","protected":false},"featured_media":2950,"template":"","location":[],"specialism":[],"class_list":["post-2945","project","type-project","status-publish","has-post-thumbnail","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Damage propulsion engine appendages - EMHA<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/emhabv.com\/en\/project\/damage-propulsion-engine-appendages\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Damage propulsion engine appendages - EMHA\" \/>\n<meta property=\"og:description\" content=\"EMHA investigated the repeated failure of propulsion engine components on an inland vessel. After obtaining a comprehensive recording of vibration data, analysis showed that the cause of the failures was a resonance of the exhaust piping. The natural frequency of the exhaust piping was excited by the combustion frequency of the engine, which resulted in &hellip;\" \/>\n<meta property=\"og:url\" content=\"https:\/\/emhabv.com\/en\/project\/damage-propulsion-engine-appendages\/\" \/>\n<meta property=\"og:site_name\" content=\"EMHA\" \/>\n<meta property=\"article:modified_time\" content=\"2025-04-22T12:55:56+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/emhabv.com\/app\/uploads\/2023\/02\/Diagnose-2.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1157\" \/>\n\t<meta property=\"og:image:height\" content=\"912\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/emhabv.com\/en\/project\/damage-propulsion-engine-appendages\/\",\"url\":\"https:\/\/emhabv.com\/en\/project\/damage-propulsion-engine-appendages\/\",\"name\":\"Damage propulsion engine appendages - EMHA\",\"isPartOf\":{\"@id\":\"https:\/\/emhabv.com\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/emhabv.com\/en\/project\/damage-propulsion-engine-appendages\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/emhabv.com\/en\/project\/damage-propulsion-engine-appendages\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/emhabv.com\/app\/uploads\/2023\/02\/Diagnose-2.png\",\"datePublished\":\"2023-02-02T10:29:36+00:00\",\"dateModified\":\"2025-04-22T12:55:56+00:00\",\"breadcrumb\":{\"@id\":\"https:\/\/emhabv.com\/en\/project\/damage-propulsion-engine-appendages\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/emhabv.com\/en\/project\/damage-propulsion-engine-appendages\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/emhabv.com\/en\/project\/damage-propulsion-engine-appendages\/#primaryimage\",\"url\":\"https:\/\/emhabv.com\/app\/uploads\/2023\/02\/Diagnose-2.png\",\"contentUrl\":\"https:\/\/emhabv.com\/app\/uploads\/2023\/02\/Diagnose-2.png\",\"width\":1157,\"height\":912},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/emhabv.com\/en\/project\/damage-propulsion-engine-appendages\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/emhabv.com\/en\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"projecten\",\"item\":\"https:\/\/emhabv.com\/project\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Damage propulsion engine appendages\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/emhabv.com\/#website\",\"url\":\"https:\/\/emhabv.com\/\",\"name\":\"EMHA\",\"description\":\"Wij realiseren betrouwbare en duurzame prestatieverbeteringen\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/emhabv.com\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Damage propulsion engine appendages - EMHA","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/emhabv.com\/en\/project\/damage-propulsion-engine-appendages\/","og_locale":"en_US","og_type":"article","og_title":"Damage propulsion engine appendages - EMHA","og_description":"EMHA investigated the repeated failure of propulsion engine components on an inland vessel. After obtaining a comprehensive recording of vibration data, analysis showed that the cause of the failures was a resonance of the exhaust piping. 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