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Forum: Geothermal & Heat Pumps

01-21-15, 12:31 PM

Replies: 57

Suction line heat exchanger

Views: 38,172

Posted By buffalobillpatrick

http://www.danfoss.com/NR/rdonlyres/905DE696-684F-...

http://www.danfoss.com/NR/rdonlyres/905DE696-684F-4CEC-8CDF-1539458E8194/0/084_FN_Danfosscompressors.pdf

r290 pressure level and critical temperature are
almost like R22. However, the discharge...

Forum: Geothermal & Heat Pumps

11-07-14, 10:43 AM

Replies: 57

Suction line heat exchanger

Views: 38,172

Posted By buffalobillpatrick

From my research: Propane (R290) performs best...

From my research: Propane (R290) performs best with very high Superheat (33-35*C) at the compressor input.

Attaining this much Superheat without a (SLHX, IHX, LSHX) many names, would require that...

Forum: Geothermal & Heat Pumps

11-05-14, 01:22 PM

Replies: 57

Suction line heat exchanger

Views: 38,172

Posted By buffalobillpatrick

http://www.danfoss.com/NR/rdonlyres/905DE696-684F-...

http://www.danfoss.com/NR/rdonlyres/905DE696-684F-4CEC-8CDF-1539458E8194/0/084_FN_Danfosscompressors.pdf

p122

"For R290 experience shows the need for a
capillary flow rate almost similar to...

Forum: Geothermal & Heat Pumps

09-24-14, 10:40 AM

Replies: 57

Suction line heat exchanger

Views: 38,172

Posted By buffalobillpatrick

http://inpressco.com/wp-content/uploads/2014/04/Pa...

http://inpressco.com/wp-content/uploads/2014/04/Paper48226-229.pdf

SLHX is very beneficial in this testing.

Forum: Geothermal & Heat Pumps

05-18-14, 12:00 PM

Replies: 57

Suction line heat exchanger

Views: 38,172

Posted By buffalobillpatrick

I know this is an old thread but that don't...

I know this is an old thread but that don't change it's importance.

Actual Testing, not simulation:

http://fire.nist.gov/bfrlpubs/build00/PDF/b00014.pdf

See fig 4.4 R290 heating mode ICHX vs...

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