{"id":27050,"date":"2023-05-10T16:57:02","date_gmt":"2023-05-10T16:57:02","guid":{"rendered":"https:\/\/rpmanetworks.com\/AtomkraftCloneSite\/?post_type=docs&amp;p=25595"},"modified":"2023-05-10T16:57:02","modified_gmt":"2023-05-10T16:57:02","password":"","slug":"what-is-nuclear-propulsion","status":"publish","type":"docs","link":"https:\/\/rpmanetworks.com\/atomkraftclonesite-english\/docs\/what-is-nuclear-propulsion\/","title":{"rendered":"What is nuclear propulsion?"},"content":{"rendered":"\n<p><em><u>By Dr. Nick Touran, Ph.D., P.E., 2018-02-17, Updated 2020-12-29, Reading time: 4 minutes<\/u><\/em><\/p>\n\n\n\n<p>Nuclear-powered engines have propelled submarines, aircraft carriers, destroyers, merchant shipping vessels, and icebreakers. Nuclear energy is interesting at sea because:<\/p>\n\n\n\n<p><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>It\u2019s very energy-dense, so a ship could be underway at high power for decades without refueling.<\/li>\n\n\n\n<li>It does not emit carbon dioxide and therefore allows shipping without climate change<\/li>\n\n\n\n<li>It doesn\u2019t require oxygen for combustion, so submarines don\u2019t need to surface frequently, and the engine and sailors don\u2019t compete for air.<\/li>\n<\/ul>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"submarines\">Submarines<\/h2>\n\n\n\n<p>When nuclear energy was first harnessed, the US Navy became extremely interested in using it to power its fleet of submarines. A nuclear-powered submarine has a critical nuclear chain reaction going on near the center of the submarine. This boils water, which then goes through a turbine. The turbine is hooked up to a big drive shaft that is hooked to a propeller on the back of the submarine. There are auxiliary turbines as well that are hooked up to electric generators to make electricity for the systems on the sub.<\/p>\n\n\n\n<p>There are two main types of nuclear-powered submarines:<\/p>\n\n\n\n<p><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"ballistic-missile-submarines\">Ballistic missile submarines<\/h3>\n\n\n\n<div class=\"wp-block-uagb-image uagb-block-e9b253ea wp-block-uagb-image--layout-default wp-block-uagb-image--effect-static wp-block-uagb-image--align-none\"><figure class=\"wp-block-uagb-image__figure\"><img decoding=\"async\" data-srcset=\"https:\/\/rpmanetworks.com\/AtomkraftCloneSite\/wp-content\/uploads\/2023\/05\/4-1024x400.jpg\" data-sizes=\"auto, (max-width: 480px) 150px\" data-src=\"https:\/\/rpmanetworks.com\/AtomkraftCloneSite\/wp-content\/uploads\/2023\/05\/4-1024x400.jpg\" alt=\"\" class=\"uag-image-25596 lazyload\" width=\"1024\" height=\"400\" title=\"\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1024px; --smush-placeholder-aspect-ratio: 1024\/400;\" \/><\/figure><\/div>\n\n\n\n<p><strong>Figure 1.<\/strong>&nbsp;An&nbsp;<em>Ohio<\/em>-class ballistic missile submarine. (From&nbsp;<a href=\"http:\/\/americanhistory.si.edu\/subs\/const\/anatomy\/boomers\/index.html#\">The Smithsonian)<\/a><\/p>\n\n\n\n<p>Ballistic missile subs (AKA \u201cboomers\u201d) are not only powered by a nuclear reactor, but they also carry a large amount of missiles with thermonuclear weapons for warheads. These submarines are supposed to just prowl around in unknown locations in the sea as a deterrent, so if someone nukes you, you can nuke them back from these subs and they\u2019ll never be able to prevent you from doing so because you could be anywhere. In essence, these prevent people from nuking other people.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"fast-attack-submarines\">Fast attack submarines<\/h3>\n\n\n\n<div class=\"wp-block-uagb-image uagb-block-0cdc9abf wp-block-uagb-image--layout-default wp-block-uagb-image--effect-static wp-block-uagb-image--align-none\"><figure class=\"wp-block-uagb-image__figure\"><img decoding=\"async\" data-srcset=\"https:\/\/rpmanetworks.com\/AtomkraftCloneSite\/wp-content\/uploads\/2023\/05\/3-1024x374.jpg\" data-sizes=\"auto, (max-width: 480px) 150px\" data-src=\"https:\/\/rpmanetworks.com\/AtomkraftCloneSite\/wp-content\/uploads\/2023\/05\/3-1024x374.jpg\" alt=\"\" class=\"uag-image-25597 lazyload\" width=\"1024\" height=\"374\" title=\"\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1024px; --smush-placeholder-aspect-ratio: 1024\/374;\" \/><\/figure><\/div>\n\n\n\n<p><strong>Figure 2.<\/strong>&nbsp;A&nbsp;<em>Los Angeles<\/em>-class fast-attack submarine. (From&nbsp;<a href=\"http:\/\/americanhistory.si.edu\/subs\/const\/anatomy\/attacks\/index.html\">The Smithsonian<\/a>)<\/p>\n\n\n\n<p>Fast attack subs are the hunter-killers of the sea. Their job is to hunt down and destroy other submarines or vessels. They\u2019re fast and typically armed with things like Tomahawk missiles, and MK-48 torpedoes.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"nuclear-powered-surface-ships\">Nuclear-powered surface ships<\/h2>\n\n\n\n<p>Nuclear propulsion worked so well for submarines that a few other vessels got nuclear engines instead of conventional diesel. Most notably, vessels like the\u00a0<em>Gerald R. Ford<\/em>-class aircraft carriers have a few nuclear reactors powering them. The US Navy has had nuclear-powered cruisers as well but does not have any now.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"civilian-nuclear-propulsion\">Civilian nuclear propulsion<\/h2>\n\n\n\n<p>Running merchant ships with nuclear-powered engines is a good way to decarbonize the world\u2019s shipping infrastructure. In the early days of the nuclear industry, this received a large amount of attention, culminating in the creation and operation of the NS Savannah.<\/p>\n\n\n\n<p><strong>Did you know?<\/strong>\u00a0The\u00a0<a href=\"https:\/\/en.wikipedia.org\/wiki\/NS_Savannah\">NS\u00a0<em>Savannah<\/em><\/a>\u00a0was a nuclear-powered cargo ship that operated between 1962 and 1972. It\u2019s deactivated now and moored at Pier 13 in Baltimore.<\/p>\n\n\n\n<p>Some good information on nuclear marine propulsion may be found in:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Kramer\u2019s 624-page book&nbsp;<a href=\"https:\/\/babel.hathitrust.org\/cgi\/pt?id=uiug.30112104123911&amp;view=1up&amp;seq=7\">Nuclear Propulsion for Merchant Ships<\/a>&nbsp;from 1962 is a trove.<\/li>\n\n\n\n<li><a href=\"https:\/\/babel.hathitrust.org\/cgi\/pt?id=uc1.31822031448046&amp;view=1up&amp;seq=9\">This 240-page 1958 report<\/a>&nbsp;covers a wide variety of options in this space<\/li>\n\n\n\n<li><a href=\"https:\/\/doi.org\/10.1111\/j.1559-3584.1963.tb04392.x\">P. Garay wrote a whole article on nuclear-powered tugs in \u201863<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/eprints.soton.ac.uk\/351357\/1\/CONCEPTS%2520FOR%2520A%2520MODULAR%2520NUCLEAR%2520POWERED%2520CONTAINERSHIP.pdf\">Gravina et al wrote this report<\/a>&nbsp;on the topic (which btw has a fruitful reference section itself)<\/li>\n<\/ul>\n\n\n\n<p>Today, Russia operates a fleet of nuclear-powered icebreakers. A few nuclear merchant ships operated but only one is in commission today (the&nbsp;<a href=\"https:\/\/en.wikipedia.org\/wiki\/Sevmorput\">Sevmorput<\/a>). They would be an excellent way to reduce the emissions from the huge amount of international shipping that\u2019s ongoing today.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"nuclear-airplanes-and-rockets\">Nuclear airplanes and rockets<\/h2>\n\n\n\n<p><a href=\"https:\/\/whatisnuclear.com\/img\/HTRE-3.jpg\"><\/a>Nuclear propulsion is well-suited for\u00a0<a href=\"https:\/\/whatisnuclear.com\/space.html\">space travel<\/a>\u00a0and rockets, so that\u2019s under development. The Russians did have some nuclear-powered tanks. Before intercontinental ballistic missiles were developed, the US Air Force worked a lot on the Aircraft Nuclear Propulsion project to make a nuclear-powered long-range airplane. Various test reactors like HTRE-3 pictured here were operated in this project but no plane ever actually flew, so far, on nuclear power.<\/p>\n\n\n\n<p>The only nuclear-powered cars you\u2019re likely to ever see are electric ones charged by nearby nuclear power plants.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"see-also\">See Also<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/www.world-nuclear.org\/information-library\/non-power-nuclear-applications\/transport\/nuclear-powered-ships.aspx\">Nuclear-powered Ships from the World Nuclear Association<\/a><\/li>\n\n\n\n<li><a href=\"http:\/\/americanhistory.si.edu\/subs\/operating\/propulsion\/reactor\/index.html#\">Fast attacks &amp; Boomers<\/a>&nbsp;(Smithsonian)<\/li>\n\n\n\n<li><a href=\"http:\/\/americanhistory.si.edu\/subs\/operating\/propulsion\/index.html\">Submarine Power &amp; Propulsion<\/a>&nbsp;(Smithsonian)<\/li>\n\n\n\n<li><a href=\"https:\/\/en.wikipedia.org\/wiki\/Nuclear_marine_propulsion\">Nuclear Marine Propulsion<\/a>&nbsp;(Wikipedia)<\/li>\n\n\n\n<li><a href=\"https:\/\/whatisnuclear.com\/offshore-nuclear-plants.html\">Offshore nuclear power plants<\/a>&nbsp;\u2014 the idea of building central power plants at sea rather than using them for marine propulsion<\/li>\n\n\n\n<li><a href=\"https:\/\/lynceans.org\/category\/nuclear-propulsion\/\">Peter Lobner\u2019s Marine Nuclear Power Slide Decks&nbsp;<\/a>\u2014 A breathtaking collection of public information on nuclear marine propulsion.\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/lynceans.org\/wp-content\/uploads\/2020\/12\/Marine-Nuclear-Power-1939-2018_Part-1_Introduction.pdf\">Marine Nuclear Power 1939 \u2013 2018 Part 1 Introduction<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/lynceans.org\/wp-content\/uploads\/2020\/02\/Marine-Nuclear-Power-1939-2018_Part-2A_USA_submarines.pdf\">Marine Nuclear Power 1939 \u2013 2018 Part 2A USA submarines<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/lynceans.org\/wp-content\/uploads\/2018\/07\/Marine-Nuclear-Power-1939-2018_Part-2B_USA_surface-ships.pdf\">Marine Nuclear Power 1939 \u2013 2018 Part 2B USA surface ships<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/lynceans.org\/wp-content\/uploads\/2018\/10\/Marine-Nuclear-Power-1939-2018_Part-3A_R1_Russia_submarines.pdf\">Marine Nuclear Power 1939 \u2013 2018 Part 3A R1 Russia submarines<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/lynceans.org\/wp-content\/uploads\/2018\/10\/Marine-Nuclear-Power-1939-2018_Part-3B_R1_Russia_surface-ships-non-propulsion-apps.pdf\">Marine Nuclear Power 1939 \u2013 2018 Part 3B R1 Russia surface ships &amp; non-propulsion apps<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/lynceans.org\/wp-content\/uploads\/2018\/07\/Marine-Nuclear-Power-1939-2018_Part-4_Europe-Canada.pdf\">Marine Nuclear Power 1939 \u2013 2018 Part 4 Europe &amp; Canada<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/lynceans.org\/wp-content\/uploads\/2018\/07\/Marine-Nuclear-Power-1939-2018_Part-5_China-India-Japan-Others.pdf\">Marine Nuclear Power 1939 \u2013 2018 Part 5 China-India-Japan &amp; Others<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/lynceans.org\/wp-content\/uploads\/2019\/02\/Marine-Nuclear-Power-1939-2018_Part-6-R1_Arctic-marine-nuclear.pdf\">Marine Nuclear Power 1939 \u2013 2018 Part 6 R1 Arctic marine nuclear<\/a><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p><strong>Source: <\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/whatisnuclear.com\/propulsion.html\">What is nuclear propulsion?<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>By Dr. Nick Touran, Ph.D., P.E., 2018-02-17, Updated 2020-12-29, Reading time: 4 minutes Nuclear-powered engines have propelled submarines, aircraft carriers, destroyers, merchant shipping vessels, and icebreakers. Nuclear energy is interesting at sea because: Submarines When nuclear energy was first harnessed, the US Navy became extremely interested in using it to power its fleet of submarines. [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","template":"","meta":{"_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","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":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"doc_category":[98],"doc_tag":[],"class_list":["post-27050","docs","type-docs","status-publish","hentry","doc_category-om-atomkraft"],"year_month":"2026-05","word_count":800,"total_views":"2","reactions":{"happy":"0","normal":"0","sad":"0"},"author_info":{"name":"admin","author_nicename":"admin","author_url":"https:\/\/rpmanetworks.com\/atomkraftclonesite-english\/author\/admin\/"},"doc_category_info":[{"term_name":"About Nuclear Power","term_url":"https:\/\/rpmanetworks.com\/atomkraftclonesite-english\/docs-category\/om-atomkraft\/"}],"doc_tag_info":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>What is nuclear propulsion? - Foreningen Atomkraft Ja Tak<\/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:\/\/rpmanetworks.com\/atomkraftclonesite-english\/docs\/what-is-nuclear-propulsion\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What is nuclear propulsion? - Foreningen Atomkraft Ja Tak\" \/>\n<meta property=\"og:description\" content=\"By Dr. Nick Touran, Ph.D., P.E., 2018-02-17, Updated 2020-12-29, Reading time: 4 minutes Nuclear-powered engines have propelled submarines, aircraft carriers, destroyers, merchant shipping vessels, and icebreakers. 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