{"id":205,"date":"2018-12-30T19:03:52","date_gmt":"2018-12-30T19:03:52","guid":{"rendered":"http:\/\/localhost:8080\/wordpress\/?page_id=205"},"modified":"2022-01-23T20:34:44","modified_gmt":"2022-01-23T20:34:44","slug":"tiny-house","status":"publish","type":"page","link":"https:\/\/aprovechar.org\/?page_id=205","title":{"rendered":"Tiny House"},"content":{"rendered":"\n<p><strong>Summary:<\/strong> ... to be written ...<\/p>\n\n\n\n<p><strong><a href=\"http:\/\/aprovecho.airpost.net\/aprovecharLab\/BuildingModeling\/building_modeling.pdf\">Link to a Technical Brief<\/a><\/strong><\/p>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"663\" src=\"https:\/\/aprovechar.org\/wp-content\/uploads\/2019\/01\/simple_models-1024x663.png\" alt=\"\" class=\"wp-image-303\" srcset=\"https:\/\/aprovechar.org\/wp-content\/uploads\/2019\/01\/simple_models-1024x663.png 1024w, https:\/\/aprovechar.org\/wp-content\/uploads\/2019\/01\/simple_models-300x194.png 300w, https:\/\/aprovechar.org\/wp-content\/uploads\/2019\/01\/simple_models-768x497.png 768w, https:\/\/aprovechar.org\/wp-content\/uploads\/2019\/01\/simple_models.png 1800w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption><strong>Simple R-C circuit with sources to model thermal performance of a small building. This simple model is similar to early programmable calculator building modeling approaches, yet all building modeling software make use of the electrical conductivity\/thermal conductivity analogy.<\/strong><\/figcaption><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Question: how complex must a model be?<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">Build a simple toy model and perform an experiment.<\/h4>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"600\" src=\"https:\/\/aprovechar.org\/wp-content\/uploads\/2019\/01\/lego_house.jpg\" alt=\"\" class=\"wp-image-308\" srcset=\"https:\/\/aprovechar.org\/wp-content\/uploads\/2019\/01\/lego_house.jpg 800w, https:\/\/aprovechar.org\/wp-content\/uploads\/2019\/01\/lego_house-300x225.jpg 300w, https:\/\/aprovechar.org\/wp-content\/uploads\/2019\/01\/lego_house-768x576.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption><strong>Outside view of tiny house.<\/strong><\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"600\" src=\"https:\/\/aprovechar.org\/wp-content\/uploads\/2019\/01\/lego_house_inside-2.jpg\" alt=\"\" class=\"wp-image-309\" srcset=\"https:\/\/aprovechar.org\/wp-content\/uploads\/2019\/01\/lego_house_inside-2.jpg 800w, https:\/\/aprovechar.org\/wp-content\/uploads\/2019\/01\/lego_house_inside-2-300x225.jpg 300w, https:\/\/aprovechar.org\/wp-content\/uploads\/2019\/01\/lego_house_inside-2-768x576.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption><strong>View of inside of house showing location of temperature and light sensors. For some experiments a water-filled canister was placed inside as a thermal mass.<\/strong><\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"600\" src=\"https:\/\/aprovechar.org\/wp-content\/uploads\/2019\/01\/sensors-1.jpg\" alt=\"\" class=\"wp-image-310\" srcset=\"https:\/\/aprovechar.org\/wp-content\/uploads\/2019\/01\/sensors-1.jpg 800w, https:\/\/aprovechar.org\/wp-content\/uploads\/2019\/01\/sensors-1-300x225.jpg 300w, https:\/\/aprovechar.org\/wp-content\/uploads\/2019\/01\/sensors-1-768x576.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption><strong>Temperature and light sensors placed inside and outside house. Data logged using a LabJack USB A\/D system with a linux laptop.<\/strong><\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"792\" src=\"https:\/\/aprovechar.org\/wp-content\/uploads\/2019\/01\/deep_freeze.jpg\" alt=\"deep freeze\" class=\"wp-image-316\" srcset=\"https:\/\/aprovechar.org\/wp-content\/uploads\/2019\/01\/deep_freeze.jpg 800w, https:\/\/aprovechar.org\/wp-content\/uploads\/2019\/01\/deep_freeze-150x150.jpg 150w, https:\/\/aprovechar.org\/wp-content\/uploads\/2019\/01\/deep_freeze-300x297.jpg 300w, https:\/\/aprovechar.org\/wp-content\/uploads\/2019\/01\/deep_freeze-768x760.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption><strong>Place tiny house in freezer and monitor inside and outside temperatures.<\/strong><\/figcaption><\/figure>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Result<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">Simple R-C circuit model fits the experiment well.<\/h4>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"724\" height=\"1024\" src=\"https:\/\/aprovechar.org\/wp-content\/uploads\/2019\/01\/results_summary-724x1024.png\" alt=\"\" class=\"wp-image-311\" srcset=\"https:\/\/aprovechar.org\/wp-content\/uploads\/2019\/01\/results_summary-724x1024.png 724w, https:\/\/aprovechar.org\/wp-content\/uploads\/2019\/01\/results_summary-212x300.png 212w, https:\/\/aprovechar.org\/wp-content\/uploads\/2019\/01\/results_summary-768x1086.png 768w, https:\/\/aprovechar.org\/wp-content\/uploads\/2019\/01\/results_summary.png 1240w\" sizes=\"auto, (max-width: 724px) 100vw, 724px\" \/><\/figure>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Future work: <\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>Instrument a real house. A Raspberry Pi system has already been configured for this experiment.<\/li><li>Use genetic algorithms to find the simplest R-C circuit model able to provide useful results.<\/li><\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Summary: &#8230; to be written &#8230; Link to a Technical Brief Question: how complex must a model be? Build a simple toy model and perform an experiment. Result Simple R-C circuit model fits the experiment well. Future work: Instrument a &hellip; <a href=\"https:\/\/aprovechar.org\/?page_id=205\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-205","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/aprovechar.org\/index.php?rest_route=\/wp\/v2\/pages\/205","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/aprovechar.org\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/aprovechar.org\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/aprovechar.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/aprovechar.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=205"}],"version-history":[{"count":7,"href":"https:\/\/aprovechar.org\/index.php?rest_route=\/wp\/v2\/pages\/205\/revisions"}],"predecessor-version":[{"id":453,"href":"https:\/\/aprovechar.org\/index.php?rest_route=\/wp\/v2\/pages\/205\/revisions\/453"}],"wp:attachment":[{"href":"https:\/\/aprovechar.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=205"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}