{"id":159148,"date":"2023-09-14T11:01:51","date_gmt":"2023-09-14T05:31:51","guid":{"rendered":"https:\/\/www.gkseries.com\/blog\/?p=159148"},"modified":"2023-09-14T11:01:53","modified_gmt":"2023-09-14T05:31:53","slug":"an-isolated-enclosure-shown-in-the-figure-has-inlet-p-and-outlet-q-of-2-sqm-each","status":"publish","type":"post","link":"https:\/\/www.gkseries.com\/blog\/an-isolated-enclosure-shown-in-the-figure-has-inlet-p-and-outlet-q-of-2-sqm-each\/","title":{"rendered":"An isolated enclosure shown in the Figure has inlet P and outlet Q of 2 sqm each"},"content":{"rendered":"\n<p>Q.  <span style=\"color: var(--contrast); font-size: 12pt; text-align: justify; background-color: var(--base-3);\">An isolated enclosure shown in the Figure has inlet <\/span><b style=\"color: var(--contrast); font-size: 12pt; text-align: justify; background-color: var(--base-3);\">P <\/b><span style=\"color: var(--contrast); font-size: 12pt; text-align: justify; background-color: var(--base-3);\">and outlet <\/span><b style=\"color: var(--contrast); font-size: 12pt; text-align: justify; background-color: var(--base-3);\">Q <\/b><span style=\"color: var(--contrast); font-size: 12pt; text-align: justify; background-color: var(--base-3);\">of 2 sqm each, on the<\/span><span style=\"color: var(--contrast); font-size: 12pt; text-align: justify; background-color: var(--base-3); letter-spacing: 0.05pt;\"> <\/span><span style=\"color: var(--contrast); font-size: 12pt; text-align: justify; background-color: var(--base-3);\">opposite walls. The outdoor wind speed is 5 m\/sec. If the coefficient of effectiveness is 0.6,<\/span><span style=\"color: var(--contrast); font-size: 12pt; text-align: justify; background-color: var(--base-3); letter-spacing: -2.85pt;\"> <\/span><span style=\"color: var(--contrast); font-size: 12pt; text-align: justify; background-color: var(--base-3);\">the<\/span><span style=\"color: var(--contrast); font-size: 12pt; text-align: justify; background-color: var(--base-3); letter-spacing: -0.05pt;\"> <\/span><span style=\"color: var(--contrast); font-size: 12pt; text-align: justify; background-color: var(--base-3);\">rate of<\/span><span style=\"color: var(--contrast); font-size: 12pt; text-align: justify; background-color: var(--base-3); letter-spacing: -0.15pt;\"> <\/span><span style=\"color: var(--contrast); font-size: 12pt; text-align: justify; background-color: var(--base-3);\">natural ventilation<\/span><span style=\"color: var(--contrast); font-size: 12pt; text-align: justify; background-color: var(--base-3); letter-spacing: -0.05pt;\"> <\/span><span style=\"color: var(--contrast); font-size: 12pt; text-align: justify; background-color: var(--base-3);\">in the<\/span><span style=\"color: var(--contrast); font-size: 12pt; text-align: justify; background-color: var(--base-3); letter-spacing: -0.1pt;\"> <\/span><span style=\"color: var(--contrast); font-size: 12pt; text-align: justify; background-color: var(--base-3);\">enclosure<\/span><span style=\"color: var(--contrast); font-size: 12pt; text-align: justify; background-color: var(--base-3); letter-spacing: 0.05pt;\"> <\/span><span style=\"color: var(--contrast); font-size: 12pt; text-align: justify; background-color: var(--base-3);\">due to wind<\/span><span style=\"color: var(--contrast); font-size: 12pt; text-align: justify; background-color: var(--base-3); letter-spacing: -0.05pt;\"> <\/span><span style=\"color: var(--contrast); font-size: 12pt; text-align: justify; background-color: var(--base-3);\">action is<\/span><u style=\"color: var(--contrast); font-size: 12pt; text-align: justify; background-color: var(--base-3);\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 <\/u><span style=\"color: var(--contrast); font-size: 12pt; text-align: justify; background-color: var(--base-3);\">cum\/hr.<\/span><span style=\"font-size: inherit; color: var(--contrast); background-color: var(--base-3);\"> <\/span><\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"279\" height=\"243\" src=\"https:\/\/www.gkseries.com\/blog\/wp-content\/uploads\/2023\/09\/image-41.png\" alt=\"\" class=\"wp-image-159149\"\/><\/figure>\n\n\n\n<p>Ans: 21600 to 21600<\/p>\n\n\n\n<p>Sol:<\/p>\n\n\n\n<p>Volume of air getting extracted from the Inlet\/Outlet<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"208\" height=\"53\" src=\"https:\/\/www.gkseries.com\/blog\/wp-content\/uploads\/2023\/09\/image-42.png\" alt=\"\" class=\"wp-image-159151\"\/><\/figure>\n\n\n\n<p>Here, The area of inlet and outlet = 2 sq.m, and wind speed = 5m\/sec.<br>Thus, volume of air getting extracted from inlet P per second = 2m\u00b2 \u00d7 5m\/sec = 10m\u00b3\/sec.<br>As we know, 1 hr. = 60 min = 3600 sec.<br>Volume of air getting extracted inside from inlet P per hour = 10m\u00b3 \u00d7 3600\/hr. = 36000 m\u00b3\/hr.<br>If the co-efficient of effect iveness is 1 then, amount of air getting extracted frominlet = amount of air extracted from outlet.<br>Here, co-efficient of effectiveness = 0.6<br>Thus, rate of natural ventilation per hour = 0.6 \u00d7 amount of air coming inside from inlet P per hour = 0.6 \u00d7 36,000 = 21,600 m\u00b3\/hour.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Q. An isolated enclosure shown in the Figure has inlet P and outlet Q of 2 sqm each, on the opposite walls. The outdoor wind speed is 5 m\/sec. If the coefficient of effectiveness is 0.6, the rate of natural ventilation in the enclosure due to wind action is\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 cum\/hr. Ans: 21600 to 21600 Sol: [&hellip;]<\/p>\n","protected":false},"author":419,"featured_media":159152,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"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":"","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-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":"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":""},"mobile":{"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":""}},"footnotes":""},"categories":[5141],"tags":[5140],"class_list":["post-159148","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-gate","tag-gate-questions"],"_links":{"self":[{"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/posts\/159148","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/users\/419"}],"replies":[{"embeddable":true,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/comments?post=159148"}],"version-history":[{"count":1,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/posts\/159148\/revisions"}],"predecessor-version":[{"id":159153,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/posts\/159148\/revisions\/159153"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/media\/159152"}],"wp:attachment":[{"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/media?parent=159148"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/categories?post=159148"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/tags?post=159148"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}