{"id":40591,"date":"2019-09-24T20:13:22","date_gmt":"2019-09-24T19:13:22","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/que-es-el-ciclo-de-brayton-pv-diagrama-de-ts-definicion\/"},"modified":"2020-01-09T17:06:16","modified_gmt":"2020-01-09T16:06:16","slug":"que-es-el-ciclo-de-brayton-pv-diagrama-de-ts-definicion","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/es\/que-es-el-ciclo-de-brayton-pv-diagrama-de-ts-definicion\/","title":{"rendered":"Qu\u00e9 es el ciclo de Brayton &#8211; pV &#8211; Diagrama de Ts &#8211; Definici\u00f3n"},"content":{"rendered":"<div class=\"su-quote su-quote-style-default\">\n<div class=\"su-quote-inner su-clearfix\">Ciclo Brayton &#8211; pV &#8211; Diagrama Ts.\u00a0El ciclo de Brayton a menudo se representa en un diagrama de volumen de presi\u00f3n (diagrama pV) y en un diagrama de temperatura-entrop\u00eda (diagrama Ts).\u00a0Ingenieria termal<\/div>\n<\/div>\n<div class=\"su-divider su-divider-style-dotted\"><\/div>\n<div class=\"lgc-column lgc-grid-parent lgc-grid-50 lgc-tablet-grid-50 lgc-mobile-grid-100 lgc-equal-heights lgc-first\">\n<div class=\"inside-grid-column\">\n<div class=\"su-spacer\"><\/div>\n<h2>Ciclo Brayton &#8211; Motor de turbina<\/h2>\n<p>En 1872, un ingeniero estadounidense,\u00a0<strong>George Bailey Brayton,<\/strong>\u00a0avanz\u00f3 el estudio de\u00a0<a title=\"Motores de calor\" href=\"https:\/\/www.thermal-engineering.org\/es\/que-es-el-motor-termico-definicion\/\">los motores t\u00e9rmicos<\/a>\u00a0patentando un motor de combusti\u00f3n interna a presi\u00f3n constante, que inicialmente usaba gas vaporizado pero luego usaba combustibles l\u00edquidos como el queroseno.\u00a0Este motor t\u00e9rmico se conoce como &#8221;\u00a0<em><strong>Motor Listo de Brayton<\/strong>\u00a0&#8220;<\/em>\u00a0.\u00a0Significa que el\u00a0<strong>motor Brayton original<\/strong>\u00a0usaba un\u00a0<strong>compresor de\u00a0<\/strong><strong>pist\u00f3n<\/strong>\u00a0y un\u00a0<strong>expansor de pist\u00f3n en<\/strong>\u00a0lugar de una turbina de gas y un compresor de gas.<\/p>\n<p>Hoy en d\u00eda, los\u00a0<strong>modernos motores de turbina de gas<\/strong>\u00a0y los\u00a0<strong>motores de\u00a0<\/strong><strong>inyecci\u00f3n de aire<\/strong>\u00a0tambi\u00e9n son motores de calor de presi\u00f3n constante, por lo tanto, describimos su termodin\u00e1mica por el\u00a0<strong>ciclo de Brayton<\/strong>\u00a0.\u00a0En general, el\u00a0<strong>ciclo de Brayton<\/strong>\u00a0describe el funcionamiento de un\u00a0<strong>motor t\u00e9rmico de presi\u00f3n constante<\/strong>\u00a0.<\/p>\n<p>Es uno de los\u00a0<a title=\"Ciclos termodin\u00e1micos\" href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/thermodynamics\/thermodynamic-cycles\/\"><strong>ciclos termodin\u00e1micos<\/strong><\/a>\u00a0m\u00e1s comunes\u00a0que se pueden encontrar en las centrales el\u00e9ctricas de turbinas de gas o en aviones.\u00a0A diferencia del\u00a0<a title=\"Carnot Cycle - Carnot Heat Engine\" href=\"https:\/\/www.thermal-engineering.org\/es\/que-es-el-ciclo-de-carnot-carnot-heat-engine-definicion\/\">ciclo de Carnot<\/a>\u00a0, el\u00a0<strong>ciclo de Brayton<\/strong>\u00a0no ejecuta\u00a0<a title=\"Proceso isot\u00e9rmico\" href=\"https:\/\/www.thermal-engineering.org\/es\/que-es-el-proceso-isotermico-definicion\/\">procesos isot\u00e9rmicos<\/a>\u00a0, ya que estos deben realizarse muy lentamente.\u00a0En un\u00a0<strong>ciclo Brayton ideal<\/strong>\u00a0, el sistema que ejecuta el ciclo experimenta una serie de cuatro procesos: dos procesos isentr\u00f3picos (adiab\u00e1ticos reversibles) alternados con dos procesos isob\u00e1ricos.<\/p>\n<p>Dado que\u00a0<strong>el principio de Carnot<\/strong>\u00a0establece que ning\u00fan motor puede ser m\u00e1s eficiente que un motor reversible (\u00a0<strong>un motor t\u00e9rmico de Carnot<\/strong>\u00a0) que opera entre los mismos dep\u00f3sitos de alta temperatura y baja temperatura, una turbina de gas basada en el ciclo Brayton debe tener una eficiencia menor que la eficiencia de Carnot.<\/p>\n<p>Una gran turbina de gas de un solo ciclo t\u00edpicamente produce, por ejemplo, 300 megavatios de energ\u00eda el\u00e9ctrica y tiene una eficiencia t\u00e9rmica del 35-40%.\u00a0Las plantas modernas de turbina de gas de ciclo combinado (CCGT), en las que el ciclo termodin\u00e1mico consta de dos ciclos de planta de energ\u00eda (por ejemplo, el ciclo Brayton y el ciclo Rankine), pueden lograr una eficiencia t\u00e9rmica de alrededor del 55%.<\/p>\n<\/div>\n<\/div>\n<div class=\"lgc-column lgc-grid-parent lgc-grid-50 lgc-tablet-grid-50 lgc-mobile-grid-100 lgc-equal-heights lgc-last\">\n<div class=\"inside-grid-column\">\n<div class=\"su-youtube su-responsive-media-yes\"><iframe class=\"lazy-loaded\" src=\"https:\/\/www.youtube.com\/embed\/zcWkEKNvqCA?\" width=\"340\" height=\"200\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\" data-lazy-type=\"iframe\" data-src=\"https:\/\/www.youtube.com\/embed\/zcWkEKNvqCA?\" data-mce-fragment=\"1\"><\/iframe><\/div>\n<p><a href=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/open-Brayton-cycle-Gas-Turbine-min.png\"><img loading=\"lazy\" class=\"aligncenter size-medium wp-image-17685 lazy-loaded\" src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/open-Brayton-cycle-Gas-Turbine-min-249x300.png\" alt=\"ciclo abierto de Brayton - turbina de gas\" width=\"249\" height=\"300\" data-lazy-type=\"image\" data-src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/open-Brayton-cycle-Gas-Turbine-min-249x300.png\" \/><\/a><\/p>\n<\/div>\n<\/div>\n<div class=\"lgc-column lgc-grid-parent lgc-grid-100 lgc-tablet-grid-100 lgc-mobile-grid-100 lgc-equal-heights lgc-first lgc-last\">\n<div class=\"inside-grid-column\">\n<div class=\"su-spacer\"><\/div>\n<h2>Ciclo Brayton &#8211; pV, diagrama Ts<\/h2>\n<p><span>El\u00a0<\/span><strong><span>ciclo de Brayton a<\/span><\/strong><span>\u00a0menudo se representa en un diagrama de volumen de presi\u00f3n (diagrama\u00a0<\/span><strong><span>pV<\/span><\/strong><span>\u00a0) y en un diagrama de temperatura-entrop\u00eda (\u00a0<\/span><strong><span>diagrama Ts<\/span><\/strong><span>\u00a0).<\/span><\/p>\n<figure id=\"attachment_17694\" class=\"wp-caption alignright\" aria-describedby=\"caption-attachment-17694\"><a href=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/Brayton-Cycle-Ts-diagram.png\"><img loading=\"lazy\" class=\"size-medium wp-image-17694 lazy-loaded\" src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/Brayton-Cycle-Ts-diagram-300x266.png\" alt=\"Ciclo Brayton - Diagrama Ts\" width=\"300\" height=\"266\" data-lazy-type=\"image\" data-src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/Brayton-Cycle-Ts-diagram-300x266.png\" \/><\/a><figcaption id=\"caption-attachment-17694\" class=\"wp-caption-text\"><span>Ciclo Brayton &#8211; Diagrama Ts<\/span><\/figcaption><\/figure>\n<p><span>Cuando se trazan en un\u00a0<\/span><strong><span>diagrama de volumen de presi\u00f3n<\/span><\/strong><span>\u00a0, los procesos isob\u00e1ricos siguen las l\u00edneas isob\u00e1ricas para el gas (las l\u00edneas horizontales), los procesos adiab\u00e1ticos se mueven entre estas l\u00edneas horizontales y el \u00e1rea delimitada por la ruta completa del ciclo representa el\u00a0<\/span><strong><span>trabajo total<\/span><\/strong><span>\u00a0que se puede hacer durante uno ciclo.<\/span><\/p>\n<p><span>El\u00a0<\/span><strong><span>diagrama de temperatura-entrop\u00eda<\/span><\/strong><span>\u00a0(\u00a0<strong>diagrama<\/strong>\u00a0Ts) en el que el estado termodin\u00e1mico se especifica mediante un punto en un gr\u00e1fico con\u00a0<\/span><a title=\"Entrop\u00eda Espec\u00edfica\" href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/thermodynamics\/what-is-energy-physics\/what-is-entropy\/specific-entropy\/\"><span>entrop\u00eda espec\u00edfica<\/span><\/a><span>\u00a0(s) como eje horizontal y\u00a0<\/span><a title=\"Escala Kelvin - Temperatura absoluta\" href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/thermodynamics\/thermodynamic-properties\/what-is-temperature-physics\/kelvin-scale-absolute-temperature\/\"><span>temperatura absoluta<\/span><\/a><span>\u00a0(T) como eje vertical.\u00a0Los diagramas Ts son una herramienta \u00fatil y com\u00fan, particularmente porque ayuda a visualizar la\u00a0<\/span><strong><span>transferencia de calor<\/span><\/strong><span>\u00a0durante un proceso.\u00a0Para procesos reversibles (ideales), el \u00e1rea bajo la curva Ts de un proceso es el\u00a0<\/span><strong><span>calor transferido<\/span><\/strong><span>\u00a0al sistema durante ese proceso.<\/span><\/p>\n<figure id=\"attachment_17704\" class=\"wp-caption aligncenter\" aria-describedby=\"caption-attachment-17704\"><a href=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/Brayton-cycle-reheat-and-regeneration.png\"><img loading=\"lazy\" class=\"size-full wp-image-17704 lazy-loaded\" src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/Brayton-cycle-reheat-and-regeneration.png\" alt=\"Diagrama Ts del ciclo de Brayton con recalentamiento y regeneraci\u00f3n.\" width=\"668\" height=\"579\" data-lazy-type=\"image\" data-src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/Brayton-cycle-reheat-and-regeneration.png\" \/><\/a><figcaption id=\"caption-attachment-17704\" class=\"wp-caption-text\"><span>Diagrama Ts del ciclo de Brayton con recalentamiento y regeneraci\u00f3n.<\/span><\/figcaption><\/figure>\n<figure id=\"attachment_17709\" class=\"wp-caption aligncenter\" aria-describedby=\"caption-attachment-17709\"><a href=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/Brayton-cycle-reheat-intercooling-regeneration.png\"><img loading=\"lazy\" class=\"size-full wp-image-17709 lazy-loaded\" src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/Brayton-cycle-reheat-intercooling-regeneration.png\" alt=\"Ciclo Brayton - recalentar - intercooling - regeneraci\u00f3n\" width=\"772\" height=\"660\" data-lazy-type=\"image\" data-src=\"https:\/\/thermal-engineering.org\/wp-content\/uploads\/2019\/05\/Brayton-cycle-reheat-intercooling-regeneration.png\" \/><\/a><figcaption id=\"caption-attachment-17709\" class=\"wp-caption-text\"><span>Diagrama Ts del ciclo de Brayton con recalentamiento, enfriamiento y regeneraci\u00f3n de calor.<\/span><\/figcaption><\/figure>\n<\/div>\n<\/div>\n<p>&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;.<\/p>\n<p>Este art\u00edculo se basa en la traducci\u00f3n autom\u00e1tica del art\u00edculo original en ingl\u00e9s. Para m\u00e1s informaci\u00f3n vea el art\u00edculo en ingl\u00e9s. Puedes ayudarnos. Si desea corregir la traducci\u00f3n, env\u00edela a: translations@nuclear-power.com o complete el formulario de traducci\u00f3n en l\u00ednea. Agradecemos su ayuda, actualizaremos la traducci\u00f3n lo antes posible. Gracias.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ciclo Brayton &#8211; pV &#8211; Diagrama Ts.\u00a0El ciclo de Brayton a menudo se representa en un diagrama de volumen de presi\u00f3n (diagrama pV) y en un diagrama de temperatura-entrop\u00eda (diagrama Ts).\u00a0Ingenieria termal Ciclo Brayton &#8211; Motor de turbina En 1872, un ingeniero estadounidense,\u00a0George Bailey Brayton,\u00a0avanz\u00f3 el estudio de\u00a0los motores t\u00e9rmicos\u00a0patentando un motor de combusti\u00f3n interna &#8230; <a title=\"Qu\u00e9 es el ciclo de Brayton &#8211; pV &#8211; Diagrama de Ts &#8211; Definici\u00f3n\" class=\"read-more\" href=\"https:\/\/www.thermal-engineering.org\/es\/que-es-el-ciclo-de-brayton-pv-diagrama-de-ts-definicion\/\" aria-label=\"M\u00e1s en Qu\u00e9 es el ciclo de Brayton &#8211; pV &#8211; Diagrama de Ts &#8211; Definici\u00f3n\">Leer m\u00e1s<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[16],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v15.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Qu\u00e9 es el ciclo de Brayton - pV - Diagrama de Ts - Definici\u00f3n<\/title>\n<meta name=\"description\" content=\"Ciclo Brayton - pV - Diagrama Ts. 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