Search found 6 matches

by Plumitt
Sun Oct 14, 2018 8:08 pm
Forum: Keeping Cool
Topic: Indirect Evaporative Cooling an H13 Hexayurt
Replies: 15
Views: 2015

Re: Indirect Evaporative Cooling an H13 Hexayurt

Here are photos of the heat exchanger and the evaporative cooler.

https://photos.app.goo.gl/w79neTgqb1yPTq318

Comments and questions welcome.
by Plumitt
Thu Oct 11, 2018 11:54 am
Forum: Keeping Cool
Topic: Indirect Evaporative Cooling an H13 Hexayurt
Replies: 15
Views: 2015

Re: Indirect Evaporative Cooling an H13 Hexayurt

I'd really like to build a regenerative IEC or M-cycle IEC. This guy has written a good overview of various evap cooling techniques and built a cool prototpe R-IEC. https://scholar.google.co.uk/citations?user=1-KMzjsAAAAJ&hl=en This prototype notably doesn't need a combined evap/heat exchange core l...
by Plumitt
Thu Oct 11, 2018 11:31 am
Forum: Keeping Cool
Topic: Indirect Evaporative Cooling an H13 Hexayurt
Replies: 15
Views: 2015

Re: Indirect Evaporative Cooling an H13 Hexayurt

The adhesive challenge hasn't been affixing the alternating layers in the core. As far as I can tell, that is rock solid, 5ish years after putting it together. (I'll confirm this weekend, but I've observed no problems.) It's been tricky to seal any corner where the baffles meet HX core. I've used si...
by Plumitt
Wed Oct 10, 2018 2:09 pm
Forum: Keeping Cool
Topic: Indirect Evaporative Cooling an H13 Hexayurt
Replies: 15
Views: 2015

Re: Indirect Evaporative Cooling an H13 Hexayurt

Here is an example of a DIY air-to-air counterflow HX. Very Thorough. https://www.builditsolar.com/Experimental/DryerHX/DryerHXTest1.htm#HX%20Description Here is a comparison of three different crossflow designs. Interesting that the sheets-and-spacers method performed poorly. I'm guessing insuffici...
by Plumitt
Tue Oct 09, 2018 10:16 am
Forum: Keeping Cool
Topic: Indirect Evaporative Cooling an H13 Hexayurt
Replies: 15
Views: 2015

Re: Indirect Evaporative Cooling an H13 Hexayurt

Lost two pictures. Odd.
20180831_152557.jpg
20181009_095120.jpg
by Plumitt
Tue Oct 09, 2018 10:14 am
Forum: Keeping Cool
Topic: Indirect Evaporative Cooling an H13 Hexayurt
Replies: 15
Views: 2015

Indirect Evaporative Cooling an H13 Hexayurt

Over the past 9 years, I've been building, rebuilding, and otherwise tinkering with different cooling systems. I've arrived at a "solution" which keeps my H13 Hexayurt at 70-75F at 40% relative humidity using only solar power and 4G water/day. This year was the first where I was able to run entirely...

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