<div dir="ltr">Not familiar with the particular details of that system. However, if there was a chimney or a tall house was used like a chimney for exhaust, it would have to be warmer inside the house than outside, in order for the house air to have any buoyancy.<br></div><div class="gmail_extra"><br><div class="gmail_quote">On Thu, Jul 13, 2017 at 7:12 PM, Stephen Collette <span dir="ltr"><<a href="mailto:stephen@yourhealthyhouse.ca" target="_blank">stephen@yourhealthyhouse.ca</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div style="word-wrap:break-word">Hi Sanjay and all,<div><br></div><div>I have a slide or two somewhere of a very old design used in Iraq if I remember correctly. it was using such a system, where there was an outdoor bore as well, and a nice chimney in the house, or tall house. The idea is that air would be pulled into the house after passing across the aquifer, cooling and adding a bit of moisture to the house in hot hot summer. A brilliant idea using stack effect to pull cool air into the building and through it. </div><div><br></div><div>Some of them really old folks knew what they were doing, long before we had an equation for it.</div><div><br></div><div>Stephen</div><div><br><div>
<div style="color:rgb(0,0,0);letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;word-wrap:break-word"><div><div>Stephen Collette </div><div>BBEC, BBNC, LEED AP, CAHP, BSSO</div><div><b><i>Your Healthy House</i></b> - <font class="m_7963554168563644762Apple-style-span" size="2"><span class="m_7963554168563644762Apple-style-span" style="font-size:10px">Indoor Environmental Testing & Building Consulting</span></font></div><div><a href="http://www.yourhealthyhouse.ca" target="_blank">http://www.yourhealthyhouse.ca</a></div><div><a href="mailto:stephen@yourhealthyhouse.ca" target="_blank">stephen@yourhealthyhouse.ca</a></div><div><a href="tel:(705)%20652-5159" value="+17056525159" target="_blank">705.652.5159</a></div></div><div><br></div></div><br class="m_7963554168563644762Apple-interchange-newline"><br class="m_7963554168563644762Apple-interchange-newline">
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<br><div><blockquote type="cite"><div>On Jul 13, 2017, at 2:00 PM, <a href="mailto:greenbuilding-request@lists.bioenergylists.org" target="_blank">greenbuilding-request@lists.<wbr>bioenergylists.org</a> wrote:</div><br class="m_7963554168563644762Apple-interchange-newline"><div><span style="font-family:Helvetica;font-size:12px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;float:none;display:inline!important">Subject: Repurposing dried up tube/bore wells for geothermal cooling</span><br style="font-family:Helvetica;font-size:12px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px"><span style="font-family:Helvetica;font-size:12px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;float:none;display:inline!important">Message-ID: <</span><a href="mailto:1219722284.4244024.1499957169765@mail.yahoo.com" style="font-family:Helvetica;font-size:12px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px" target="_blank">1219722284.4244024.<wbr>1499957169765@mail.yahoo.com</a><span style="font-family:Helvetica;font-size:12px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;float:none;display:inline!important">></span><br style="font-family:Helvetica;font-size:12px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px"><span style="font-family:Helvetica;font-size:12px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;float:none;display:inline!important">Content-Type: text/plain; charset="utf-8"</span><br style="font-family:Helvetica;font-size:12px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px"><br style="font-family:Helvetica;font-size:12px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px"><span style="font-family:Helvetica;font-size:12px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;float:none;display:inline!important">Hi all,</span><br style="font-family:Helvetica;font-size:12px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px"><span style="font-family:Helvetica;font-size:12px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;float:none;display:inline!important">Many homes in India have dried up ?tube wells. They are use for household water supply as the city supply is often insufficient and unreliable. When a bore dries up due to the water table falling, people often drill new deeper ones, leaving the old bore unused. And now Rajasthan has banned new borings, so we can expect many more to be available soon.</span><br style="font-family:Helvetica;font-size:12px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px"><span style="font-family:Helvetica;font-size:12px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;float:none;display:inline!important">Let's say someone is trying to cool their 1000 sq ft home, from 100+ degrees to 75 degrees. What is the feasibility of using, 3 inch diameter, 200 foot bore for geothermal cooling?</span><br style="font-family:Helvetica;font-size:12px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px"><span style="font-family:Helvetica;font-size:12px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;float:none;display:inline!important">Can this be done with simple circulation, or would it require a heat pump? If it's possible at all.</span><br style="font-family:Helvetica;font-size:12px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px"><span style="font-family:Helvetica;font-size:12px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;float:none;display:inline!important">~sanjay</span><br style="font-family:Helvetica;font-size:12px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px"><span style="font-family:Helvetica;font-size:12px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;float:none;display:inline!important">?</span></div></blockquote></div><br></div></div><br>______________________________<wbr>_________________<br>
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