{"id":28487,"date":"2004-03-02T00:00:00","date_gmt":"2004-03-02T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/propiedades-de-flujo-de-pulpas-de-durazno-de-la-region-de-mendoza-republica-argentina\/"},"modified":"2004-03-02T00:00:00","modified_gmt":"2004-03-02T00:00:00","slug":"propiedades-de-flujo-de-pulpas-de-durazno-de-la-region-de-mendoza-republica-argentina","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/politecnica-de-valencia\/propiedades-de-flujo-de-pulpas-de-durazno-de-la-region-de-mendoza-republica-argentina\/","title":{"rendered":"Propiedades de flujo de pulpas de durazno de la regi\u00f3n de mendoza (rep\u00fablica argentina)"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Ernesto Mu\u00f1oz Puntes <\/strong><\/h2>\n<p>Se estudi\u00f3 el efecto de la temperatura y de la concentraci\u00f3n de s\u00f3lidos solubles en la viscosidad de pulpas de durazno de la regi\u00f3n de mendoza (rep\u00fablica argentina). Se analizar\u00f3n 9 variedades diferentes. Las concentraciones estudiadas fueron 12,5; 15; 16; 20; 24 y 28bx. Las temperaturas a las cuales se efectuaron los an\u00e1lisis fueron de 30, 40 y 50\u00c2\u00bac. Las muestras se caracterizaron adem\u00e1s en t\u00e9rminos de s\u00f3lidos solubles, s\u00f3lidos insolubles, s\u00f3lidos totales, humedad, ph, acidez, pectina y \u00e1cido c\u00edtrico. Las pulpas presentaron comportamiento pseudopl\u00e1stico en todo el rango estudiado de variables. Para el an\u00e1lisis se utiliz\u00f3 la ley de la potencia, determin\u00e1ndose los valores del \u00edndice de conssitencia (k) y de comportamiento al flujo (n), con coeficientes de determinaci\u00f3n superiores a 0,99.  se realiz\u00f3 un an\u00e1lisis de cluster, mediante el cual se diferenciaron 2 grupos de pulpas. El efecto de la temperatura se correlacion\u00f3 muy bien con la ecuaci\u00f3n de arrhenius (r2 0,95). Los valores de la energ\u00eda de activaci\u00f3n (ea) aumentaron con la concentraci\u00f3n de s\u00f3lidos de 10,95 a 11,58 kj.Mol-1. se obtuvieron ecuaciones para predecir la viscosidad y la tensi\u00f3n de corte en t\u00e9rminos de la temperatura y de la concentraci\u00f3n de s\u00f3lidos solubles. el an\u00e1lisis de varianza correspondiente indic\u00f3 que no existen diferencias significativas entre las viscosidades aparentes medidas y las calculadas.  adem\u00e1s se compararon los valores reol\u00f3gicos, en las mismas condiciones de concentraci\u00f3n y temperatura, con las determinaciones de la consistencia bostwick. Muestran una relaci\u00f3n lineal, lo que valida el uso que esta medici\u00f3n tiene a nivel industrial.  los datos obtenidos permitir\u00e1n optimizar procesos de transmisi\u00f3n de calor, bombeo y agitaci\u00f3n, entre otros, con alto impacto econ\u00f3mico en el desarrollo de la industria de la regi\u00f3n.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Propiedades de flujo de pulpas de durazno de la regi\u00f3n de mendoza (rep\u00fablica argentina)<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Propiedades de flujo de pulpas de durazno de la regi\u00f3n de mendoza (rep\u00fablica argentina) <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Ernesto Mu\u00f1oz Puntes <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Polit\u00e9cnica de Valencia<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 03\/02\/2004<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3>Direcci\u00f3n y tribunal<\/h3>\n<ul>\n<li><strong>Director de la tesis<\/strong>\n<ul>\n<li>M\u00aa Amparo Chiralt Boix<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: pedro Fito maupoey <\/li>\n<li>enrique Soriano costa (vocal)<\/li>\n<li>albert Ibarz ribas (vocal)<\/li>\n<li>salvador Vall\u00e9s alventosa (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Ernesto Mu\u00f1oz Puntes Se estudi\u00f3 el efecto de la temperatura y de la concentraci\u00f3n de s\u00f3lidos solubles [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","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":"","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 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