{"id":37,"date":"2024-08-07T22:56:38","date_gmt":"2024-08-07T22:56:38","guid":{"rendered":"https:\/\/www.ct.ufpb.br\/lhdr2\/?page_id=37"},"modified":"2025-08-07T02:44:13","modified_gmt":"2025-08-07T02:44:13","slug":"experiencia-3-medidas-de-pressao","status":"publish","type":"page","link":"https:\/\/www.ct.ufpb.br\/lhdr\/experiencias-mecanica-dos-fluidos\/experiencia-3-medidas-de-pressao\/","title":{"rendered":"Experi\u00eancia 3 \u2013 Medidas de Press\u00e3o"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">O roteiro da <strong>Experi\u00eancia 03 \u2013 Medidas de Press\u00e3o<\/strong> do Laborat\u00f3rio de Hidr\u00e1ulica da UFPB tem como objetivo principal calibrar um bar\u00f4metro (respons\u00e1vel por aferir n\u00edveis de press\u00f5es em mmHg &#8211; Mil\u00edmetro de Merc\u00fario) atrav\u00e9s de um man\u00f4metro em U, cujo <strong>Fluido Manom\u00e9trico<\/strong> possui densidade de 1,3288 g\/cm\u00b3.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>1. Objetivo:<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Apresenta\u00e7\u00e3o dos principais tipos de medidores de press\u00e3o e aferi\u00e7\u00e3o de um man\u00f4metro mec\u00e2nico tipo U.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>2. Base Te\u00f3rica:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Press\u00e3o: <\/strong>Por defini\u00e7\u00e3o, press\u00e3o \u00e9 uma grandeza derivada de for\u00e7a e \u00e1rea.<\/li>\n\n\n\n<li><strong>Man\u00f4metro em U:<\/strong> O man\u00f4metro em U mede a press\u00e3o a partir da compara\u00e7\u00e3o entre a altura de uma coluna de l\u00edquido em dois ramos do tubo em forma de U. A diferen\u00e7a de alturas indica a press\u00e3o exercida por um g\u00e1s ou l\u00edquido em rela\u00e7\u00e3o \u00e0 press\u00e3o atmosf\u00e9rica local.<\/li>\n\n\n\n<li><strong>Bar\u00f4metro:<\/strong> Um bar\u00f4metro (mmHg) mede a press\u00e3o atmosf\u00e9rica pela altura de uma coluna de merc\u00fario em equil\u00edbrio. A press\u00e3o \u00e9 dada diretamente em mil\u00edmetros de merc\u00fario, onde 760 mmHg corresponde \u00e0 press\u00e3o atmosf\u00e9rica ao n\u00edvel do mar.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>3. Equipamentos:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Man\u00f4metro em U.<\/li>\n\n\n\n<li>Bar\u00f4metro com escala em mil\u00edmetros de merc\u00fario.<\/li>\n\n\n\n<li>Bomba de ar manual.<\/li>\n\n\n\n<li>V\u00e1lvulas de Reten\u00e7\u00e3o.<\/li>\n\n\n\n<li>C\u00e2mara Pressurizadora.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>4. Procedimento:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Bomba de ar:<\/strong> Pressurizar a c\u00e2mara pressurizadora at\u00e9 o limite suportado.<\/li>\n\n\n\n<li><strong>V\u00e1lvulas de Reten\u00e7\u00e3o:<\/strong> Acionar v\u00e1lvulas de reten\u00e7\u00e3o para pressurizar o sistema.<\/li>\n\n\n\n<li><strong>Man\u00f4metro em U:<\/strong> Realizar leitura dos desn\u00edveis do fluido manom\u00e9trico em rela\u00e7\u00e3o ao ponto inicial.<\/li>\n\n\n\n<li><strong>Bar\u00f4metro:<\/strong> Realizar leitura do ponteiro de press\u00e3o escala (mmHg).<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>5. Resultados Esperados:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Encontrar a press\u00e3o em MU para cada leitura feita.<\/li>\n\n\n\n<li>Tra\u00e7ar os gr\u00e1ficos das press\u00f5es (MA x MU).<\/li>\n\n\n\n<li>Tra\u00e7ar os gr\u00e1ficos dos desvios entre as press\u00f5es.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>6. Discuss\u00e3o e Conclus\u00e3o:<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Identificar as poss\u00edveis fontes de erro presentes no experimento. Discutir sobre as raz\u00f5es pelas quais as leituras ascendentes de uma mesma press\u00e3o fornecidas diferem das descendentes.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/drive.google.com\/uc?export=dowload&amp;id=1PqWj62yYMpVYO0PapQhZtwFPmTRt6u3r\">EXPERI\u00caNCIA 3 \u2013 Medidas de Press\u00e3o (Download Roteiro):<\/a><\/p>\n\n\n\n<div data-wp-interactive=\"core\/file\" class=\"wp-block-file\"><object data-wp-bind--hidden=\"!state.hasPdfPreview\" hidden class=\"wp-block-file__embed\" data=\"https:\/\/www.ct.ufpb.br\/lhdr\/wp-content\/uploads\/sites\/107\/sites\/200\/2025\/08\/Experimento_3_v1.1-1.pdf\" type=\"application\/pdf\" style=\"width:100%;height:600px\" aria-label=\"Incorporado de Experimento_3_v1.1 (1).\"><\/object><a id=\"wp-block-file--media-798351e7-73ed-4260-b654-e937fca7029d\" href=\"https:\/\/www.ct.ufpb.br\/lhdr\/wp-content\/uploads\/sites\/107\/sites\/200\/2025\/08\/Experimento_3_v1.1-1.pdf\">Experimento_3_v1.1 (1)<\/a><a href=\"https:\/\/www.ct.ufpb.br\/lhdr\/wp-content\/uploads\/sites\/107\/sites\/200\/2025\/08\/Experimento_3_v1.1-1.pdf\" class=\"wp-block-file__button wp-element-button\" download aria-describedby=\"wp-block-file--media-798351e7-73ed-4260-b654-e937fca7029d\">Baixar<\/a><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/drive.google.com\/uc?export=dowload&amp;id=1Pz7wGzH-wU4Fj664fmKdkmPk_4b03Uzx\">EXPERI\u00caNCIA 3- DOWNLOAD DA PLANILHA<\/a><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"640\" height=\"428\" src=\"https:\/\/www.ct.ufpb.br\/lhdr2\/wp-content\/uploads\/sites\/107\/sites\/200\/2024\/08\/manometro-1.jpg\" alt=\"\" class=\"wp-image-38\" srcset=\"https:\/\/www.ct.ufpb.br\/lhdr\/wp-content\/uploads\/sites\/107\/sites\/200\/2024\/08\/manometro-1.jpg 640w, https:\/\/www.ct.ufpb.br\/lhdr\/wp-content\/uploads\/sites\/107\/sites\/200\/2024\/08\/manometro-1-300x201.jpg 300w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>O roteiro da Experi\u00eancia 03 \u2013 Medidas de Press\u00e3o do Laborat\u00f3rio de Hidr\u00e1ulica da UFPB [&hellip;]<\/p>\n","protected":false},"author":47,"featured_media":0,"parent":28,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-37","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.ct.ufpb.br\/lhdr\/wp-json\/wp\/v2\/pages\/37","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ct.ufpb.br\/lhdr\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.ct.ufpb.br\/lhdr\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.ct.ufpb.br\/lhdr\/wp-json\/wp\/v2\/users\/47"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ct.ufpb.br\/lhdr\/wp-json\/wp\/v2\/comments?post=37"}],"version-history":[{"count":5,"href":"https:\/\/www.ct.ufpb.br\/lhdr\/wp-json\/wp\/v2\/pages\/37\/revisions"}],"predecessor-version":[{"id":333,"href":"https:\/\/www.ct.ufpb.br\/lhdr\/wp-json\/wp\/v2\/pages\/37\/revisions\/333"}],"up":[{"embeddable":true,"href":"https:\/\/www.ct.ufpb.br\/lhdr\/wp-json\/wp\/v2\/pages\/28"}],"wp:attachment":[{"href":"https:\/\/www.ct.ufpb.br\/lhdr\/wp-json\/wp\/v2\/media?parent=37"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}