Cooling Environments/Immersion

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Welcome to the OCP ACS Immersion Cooling Sub-project to the Rack & Power Project.

This Project is open to the public and we welcome all those who would like to be involved.

Disclaimer: Please do not submit any confidential information to the Project Community. All presentation materials, proposals, meeting minutes and/or supporting documents are published by OCP and are open to the public in accordance to OCP's Bylaws and IP Policy. This can be found on the OCP OCP Policies page. If you have any questions please contact OCP.

Project Leadership

ACS Immersion Cooling Sub-project Leads

- Rolf Brink (Asperitas)
- John Bean (GRC)

For Rack & Power ACS Project leadership, please refer to the ACS wiki page

- Rack & Power/ACS Wiki


The Immersion sub-project enables community driven activities focused on facilitating OCP and industry progression of immersion cooling. Within the Rack and Power ACS group, this project also facilitates harmonization between different ACS sub-projects and the Advanced Cooling Facilities sub-project to the DCF group.

Related documentation

Additions or changes to put on the agenda of different focus groups can be included in the "Suggested Changes" document.

- Change and update suggestion document

The following documents have been generated to assist and facilitate the harmonization with other liquid cooling projects within OCP.

- OCP Ready Colo Site Assessment for harmonization evaluation
- Immersion specific DCF facility assessment items
- OCP Presentation Template - please contact Michael Schill or Archna Haylock for a copy

Focus groups

Immersion Requirements

Status: Active (Updating to revision 2.0)

Point of contact
- Rolf Brink (Asperitas)

Related documents

- Immersion Requirements rev1 (accepted)
- Immersion Requirements rev2 (in progress)
- Immersion qualification checklist

Immersion Requirements - Flashpoints

- Community Update May 18, 2021

Material Compatibility

Status: Active

Point of contact
- Eduardo De-Azevedo (Shell)
- John Bean (Independent)

Related documents

- Material Compatibility database working document

Design Guidelines for Immersion-Cooled IT Equipment

Status: Completed

Points of contact
- Rolf Brink (Asperitas)
- Nigel Gore (Vertiv)

Related documents

- Design Guidelines for Immersion-Cooled IT Equipment

Accepted contributions

- March 06, 2019: Asperitas Fan Sim Specification
- May 20, 2019: ACS Immersion Community Requirements White Paper
- Feb, 27, 2020: Asperitas Open Cassette Specification
- Feb, 27, 2020: Asperitas Open Cassette design file
- Dec, 18, 2020: Design Guidelines for Immersion Cooled IT equipment Whitepaper

Get Involved

Mailing lists

If you would like to get more involved in the project, please sign-up on the mailing list. This is the primary method that we use to communicate project status, meeting schedules, and agendas.

- ACS Mailing List
- ACS Immersion Mailing List

ACS Immersion Cooling Calls

Every third Tuesday of each month for 1 hour, starting at 07:00 AM (PT), 10:00 AM (ET), 3:00 PM (UTC), 16:00 (CET), 22:00 (Chinese ST)

Note: This call is scheduled and maintained from a CET time zone and follows European DST schedules.
- Link to ACS Immersion Cooling Workstream Calls

You can also dial in using your phone. United States (Toll Free): 1 877 568 4106 United States: +1 (571) 317-3129 Access Code: 177-040-733

Recordings From Past Calls

- May 18th, 2021
- April 20th, 2021
- January 19th, 2021
- October 20th, 2020
- September 15th, 2020
- August 18th, 2020
- July 21st, 2020
- July 16th, 2020
- June 17th, 2020
- May 19th, 2020
- April 21st, 2020
- March 23rd, 2020
- February 18th, 2020
- November 21st, 2019
- November 19th, 2019
- October 15th, 2019
- August 20th, 2019
- July 23rd, 2019
- June 25th, 2019
- June 11th, 2019
- May 28th, 2019
- May 14th, 2019
- April 30th, 2019
- April 16th, 2019
- April 2nd, 2019
- March 5th, 2019
- February 19th, 2019
- February 5th, 2019
- January 22nd, 2019
- January 8th, 2019
- December 11th, 2018
- November 27th, 2018
- November 13th, 2018
- October 30th, 2018
- October 16th, 2018