Liquid-to-Refrigerant Heat Exchangers
ASHRAE Technical Committee 8.5


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Atlanta Agenda Research Meeting rev1 20190113

TC0805 Atlanta Agenda Final 20190114

Upcoming TC Meetings

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Location: Chicago, IL
Sunday, 1/13/2019 Room

12:00 PM - 2:00 PM - MTG.LowGWP

Research Update

Grand Ballroom C

Omni (M4, North)

Sunday, 1/13/2019 Room
3:00 PM - 7:00 PM - TC 1.3 / 8.5 Research Review


GWCC Bldg A (4)

Sunday, 1/13/2019 Room

5:00 PM - 6:00 PM - MTG.LowGWP

 Low GWP Refrigerants

Grand Ballroom C

Omni (M4, North)

Monday, 1/14/2019 Room

8:00 AM - 10:00 AM - SPC 24

Methods of Testing for Rating Evaporators Used for Cooling Liquids


Omni (N6 North)

Monday, 1/14/2019


4:15 PM - 6:30 PM - TC 8.5

Main Committee


GWCC Bldg B (3)

Tuesday, 01/15/2019


1:00 PM - 3:30 PM - MTG.LowGWP

Codes and Standards Subcommittee


Omni (At, South)

Wednesday, 1/16/2019


10:00 AM - 12:00 PM - MTG.LowGWP

Lower GWP Alternative Refrigerants

Grand Ballroom C

Omni (M4, North)



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Committee Chair

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Satheesh Kulankara

Committee Scope

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TC 8.5 is concerned with the thermal and mechanical design, performance, and application of devices for accomplishing heat transfer between refrigerants (including secondary refrigerants) and liquids.


Upcoming Society Conferences

2019 Annual Conference
June 22-26, 2019
Kansas City, MO


Conference Badges

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Additional Information

Do you want to get involved in your TC's issues at the Society level? If so, read through the pages of this site, attend the annual meeting, or contact our Committee Chair or a subcommittee member.

Shell-and-Tube Condensers.
The refrigerant condenses in the shell side. The cooling liquid flows through the tubes.

Direct Expansion Evaporators
Refrigerant boils as it flows through the tubes, cooling the liquid that flows through the shell.

Flooded Evaporators
The refrigerant evaporates in the shell, cooling the liquid that flows through the tubes.

Brazed Plate Condensers and Evaporators
The refrigerant that boils or condenses flows through very small passages on one side of a plate, while the liquid being heated or cooled flows on the other side of the plate. Many plates are combined together into one compact unit.