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Geo NR Gee · 10-06-16, 01:20 AM

I appreciate the information gentlemen. That is what I was looking for.

What would be a good distance between sensors down the borehole? If I drill a 4" borehole 100', and drop the sensors down 10' apart, would that be enough sensors to pick up the temperature differences from a water bearing (heat removing) layer?

That also brings me to another question. After the test hole shows the data needed, why wouldn't I put two loops down one hole? One for the solar flat plate collector loop and the other for the heat exchange loop?

Thanks,
Geo

10-06-16, 01:20 AM	#12
Geo NR Gee Journeyman EcoRenovator Join Date: Jan 2011 Location: Seattle Posts: 326 Thanks: 109 Thanked 23 Times in 18 Posts	I appreciate the information gentlemen. That is what I was looking for. What would be a good distance between sensors down the borehole? If I drill a 4" borehole 100', and drop the sensors down 10' apart, would that be enough sensors to pick up the temperature differences from a water bearing (heat removing) layer? That also brings me to another question. After the test hole shows the data needed, why wouldn't I put two loops down one hole? One for the solar flat plate collector loop and the other for the heat exchange loop? Thanks, Geo