Cooling Environments/Heat Reuse

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Welcome[edit]

Welcome to the OCP Heat Reuse Sub-Project. Efficient energy usage of data centers is a key global concern and tenant of Open Compute Project (OCP).

ITE and data center design efficiency is just one factor in minimizing the carbon footprint associated with energy usage of a data center - use of renewable resources and reuse of its waste energy can have a positive impact as well.

Almost 100% of the energy used in a processor turns into heat.

Up until very recently this has been a liability and a challenge, immense quantity of heat needed to be removed employing even more energy for it. With the proper design, data center cooling systems can be converted into a heat source and a heat management opportunity that in turn converts the heat from a liability to an asset.

The OCP Heat Reuse subgroup explores these challenges and opportunities. Its goal is to suggest solutions to allow easier implementations of technologies aimed at harnessing the heat and turn it into profit instead of a cost.

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[edit]

Incubation Committee Representative[edit]

- Steve Mills (Meta)

Project Leads[edit]

- Sean Sivapalan (NVidia)
- Jon Fernandes (Meta)
- Cosimo Pecchioli (Castrol/BP)

Sub-project Leads[edit]

Main Sub-project Leads email address: heatreuseleads@ocproject.net

- Jaime Comella (AQ Compute)
- Bharath Ramakrishnan (Microsoft)

Subproject structure[edit]

MAIN SUBPROJECT CALL: Heat Reuse[edit]

3rd Tuesday of the month: 8-9 AM PT // 11-12 AM ET // 5-6 PM CET

Guest presentations
Discussion and presentation of the workstreams' results and future outcomes

WORKSTREAMS:[edit]

Reference Designs[edit]

1st Thursday of the month: 8-9 AM PT // 11-12 AM ET // 5-6 PM CET.

latest version of the white paper -work in progress-: https://docs.google.com/document/d/1PKqoQAz1jXdtvrERQpjBd_UdDFc1aXHN/edit?invite=COWE-9AP#heading=h.gjdgxs

Work:

  • How does a “heat recovery room” look like?
  • Definition of spacing, elements, basic parameters;
  • Influence of size;
  • In a second stage, define different application scenarios (district heating, greenhouse, swimming pool…) as variables of the base design;

Deliverables:

  • Reference tools (tools for equipment dimensioning);
  • Tables with equipment to be employed; tables with parameters;
  • Drawings;


Expertise: MEP knowledge, in particular hydraulic systems and controls, technical drawing, technical dimensioning


Heat Reuse Economics[edit]

2nd Thursday of the month: 8-9 AM PT // 11-12 AM ET // 5-6 PM CET.

Old name: TCO Analysis. New name: Heat Reuse economics, a cost-benefit analysis (TCO+earnings)


Work:

  • Define how much does a baseline heat reuse project cost. Boundary: the data center exchange room.
  • Define variables and parameters of influence,
  • Potential earnings
  • In a second stage, define different application scenarios (district heating, greenhouse, swimming pool…) as variables of the base design

Deliverables:

  • model with the financials of heat reuse:
  • base case(s) definition / example case /parameters to consider / boundaries
  • Cost analysis of equipment
  • White paper with an analysis of the results


Expertise: MEP knowledge, in particular hydraulic systems and controls, technical drawing, technical dimensioning

(Necessary consideration of the results from other workstreams: Policies around heat reuse / Reference designs)


Policies around Heat Reuse[edit]

1st Tuesday of each month: 8-9 AM PT // 11-12 AM ET // 5-6 PM CET.

Whitepaper published: https://www.opencompute.org/documents/2024-02-22-ocp-heatreuse-wp-policies-vfinal-docx-2-pdf

Work:

  • identify barriers, needed actions and highlight sample policies around the globe for heat reuse in data centers

Deliverables

Whitepaper:
  • an introduction/summary which makes the case for reusing data center waste heat;
  • a section which identifies key hurdles or barriers, general actions which governments can take, and 1-2 examples of good policies where they exist; and
  • a final section on potential people or organizations to engage who are outside of the OCP with whom we might engage.


Expertise: Understanding of regulation bodies and how they are structured; the timelines; the language; the hierarchical levels


Calendar[edit]

1st Tuesday of the month: HR Policies call
1st Thursday of the month: HR Reference Designs call
2nd Thursday of the month: HR Economics call
3rd Tuesday of the month: General HR call

Here are all the calls displayed in a Google Calendar, extracted regularly from https://ocp-all.groups.io/g/OCP-CE-Heat-Reuse/calendar

All the calls are always here: https://opencompute-org.zoom.us/j/87427111429?pwd=Mkc5QVFNSWF4SE00enlYdnhvRElxdz09#success

Check here when are our next calls and what are they going to be about: https://docs.google.com/spreadsheets/d/1XJSZyONA3FZtDtCHIL85R6H3w9-jJvDVlfu3aRYKAJw/edit?usp=sharing


Documents[edit]

HEAT REUSE 101 ARTICLE final version

https://www.opencompute.org/documents/20230623-data-centers-heatreuse-101-3-2-docx-pdf


HEAT REUSE PROJECTS MAP

https://www.google.com/maps/d/edit?hl=en&hl=en&mid=1bTp4Ugy7FGwfPadNlmfZpYwGY5Z5B7o&ll=28.87172622901383%2C-40.21607810348212&z=3


POLICIES TO ACCELERATE DATA CENTER HEAT REUSE: ACHIEVING ECONOMIC AND CLIMATE CHANGE GOALS

https://www.opencompute.org/documents/2024-02-22-ocp-heatreuse-wp-policies-vfinal-docx-2-pdf


WHITE PAPER GUIDANCES FOR HEAT REUSE preliminary version (input and comments are welcome)

https://docs.google.com/document/d/1N0P8g1-nrhX4sNvbpcHIBIIsZhNg98A2/edit#


GUEST PRESENTATIONS (yyyy mm dd)

2021 10 05 Cloud & Heat - https://drive.google.com/file/d/1TLUX1hSPj80qSw-4hZR6Dxm1r8ixuHfK/view?usp=sharing

2021 11 23 Green Mountain - https://drive.google.com/file/d/1eTAkymFu6h2DGAT92Rlz_M8ECTpQLZ0Y/view?usp=sharing

2021 12 02 LUMI - https://drive.google.com/file/d/1MPJQPl9Xz79R5EgN2X3DWUQTBrJO5PZo/view?usp=sharing

2021 12 14 NREL - https://drive.google.com/file/d/1W6hG85K4Oc6wiIk-MxPiFbGH9Q5tVp2N/view?usp=sharing

2022 01 11 Vattenfall - https://drive.google.com/file/d/1UTaO-42rAYpMBWFIHcxKLCyfHIKKuGRT/view?usp=sharing

2022 01 25 Carrier - https://drive.google.com/file/d/1jQkdSvOtTphPQmzMhMk4IhB_bz6V0JBn/view?usp=sharing

2022 03 08 Telehouse - https://drive.google.com/file/d/1Aisd3IeU79h__trNnpyJS5A9Ac6TN2sU/view?usp=sharing

2022 04 19 Blockheating - https://drive.google.com/file/d/1D4T6v8YXHSDAI4TX_ye_2DQHmzDfvuzL/view?usp=sharing

2022 05 03 Danfoss - https://drive.google.com/file/d/1CQe4nE79F0qCyf2ysbn633uy9Z6UdCtL/view?usp=sharing

2022 05 31 Stanford - https://drive.google.com/file/d/10vktrFh8hY7JAuzhc045Htx1kSkJosFg/view?usp=sharing

2022 07 26 Qarnot - https://drive.google.com/file/d/1F9vgCaqMT59rrE0L7dm9UnHdAKU5TQ2H/view?usp=sharing

2022 08 09 Intel - https://drive.google.com/file/d/17DL6b2NgrMGCJfLqSSlQj3lzsJSoTVri/view?usp=sharing

2022 09 06 Arcadis + Tomorrow Water - https://drive.google.com/file/d/1L29i71Mh2JWu-uxW4h0VEZUWKktCjX7j/view?usp=sharing

2022 11 01 Quantum Loophole - https://www.youtube.com/watch?v=JrcaEGDKijU

2022 11 15 M&M Carnot - https://drive.google.com/file/d/16qeAJ_iZIo885M1RjSNqjTk-yF-7Zu7X/view?usp=sharing

2023 01 24 Sabey - https://drive.google.com/file/d/1z_BgfxGrS1Ty9As4ntbrKpg6pr9Q2JdM/view?usp=share_link

2023 03 31 Data Center Dutch Association - https://drive.google.com/file/d/15jQBP0C6Ma-LuMEpiXs5AvjXkSS1yA9S/view?usp=share_link

2023 04 04 Bytes2Heat, University of Stuttgart, DENEFF, IWN - https://drive.google.com/file/d/10J9MoyqlKakgMNzyEtRfvaFs67DheSfM/view?usp=share_link

2023 05 02 2CRSi Heat Reuse - https://drive.google.com/file/d/1QQeZit_gpsJy3Bpa1OBWuUY5av8JruJA/view?usp=share_link

2023 05 16 QScale Canada - https://drive.google.com/file/d/10s_9k-P82SRxd3vn-czECIyhUInE38PL/view?usp=sharing

2023 07 11 DeepGreen - https://drive.google.com/file/d/1Jx8lGXfOE_Oh634NMYPVJ3sE84wcQnb8/view?usp=drive_link

2024 01 16 Microsoft - https://drive.google.com/file/d/1UXpsSDuVSX36_kyjmJZYshXOVapbGXo9/view?usp=sharing

2024 07 16 Advanced Liquid Cooling Technologies - https://drive.google.com/file/d/1zeqAmAoN5dfXrSYjAJLTz6_yomz-u2KF/view?usp=share_link

2024 07 16 Luminescent Power - https://drive.google.com/file/d/19LJXe1b71Drh8iwQ_dvZ9dwi6Cz6Da84/view?usp=sharing


Get Involved[edit]

- Heat Reuse Mailing List
- OCP DCF Website
- OCP Projects Calendar

Regular Project Calls[edit]

- This subproject currently meets monthly Tuesdays at 0800 PT 1100 ET 1700 CET
- The different workstreams meet monthly:
- Reference Designs, monthly Thursdays 8-9 AM PT // 11-12 AM ET // 5-6 PM CET. First call the 22nd of June 2023
- TCO Analysis, monthly Thursdays 8-9 AM PT // 11-12 AM ET // 5-6 PM CET. First call the 29th of June 2023
- Policies around Heat Reuse, monthly Tuesdays 8-9 AM PT // 11-12 AM ET // 5-6 PM CET. First call the 27th of June 2023


Call-in info and source of truth @ http://opencompute.org/projects/projects-calendar/
If there is ever a conflict between calendar invites, the OCP Project Calendar info on the website prevails. This call is open to the public.


Please join the meetings from your computer, tablet or smartphone. https://opencompute-org.zoom.us/j/87427111429?pwd=Mkc5QVFNSWF4SE00enlYdnhvRElxdz09#success (same link for all meetings!)


If there is a cancellation, we will try our best to cancel >24hrs before the meeting by the calendars above.

Recordings from Past Calls[edit]

- Jul 02, 2024
- Jun 18, 2024
- Jun 13, 2024
- Jun 06, 2024
- Jun 04, 2024
- May 21, 2024
- May 09, 2024
- May 07, 2024
- May 02, 2024
- Apr 16, 2024
- Apr 11, 2024
- Apr 04, 2024
- Apr 02, 2024
- Mar 19, 2024
- Mar 14, 2024
- Mar 07, 2024
- Mar 05, 2024
- Feb 20, 2024
- Feb 08, 2024
- Feb 06, 2024
- Feb 01, 2024
- Jan 16, 2024 : Recording | Slides
- Jan 11, 2024
- Jan 09, 2024
- Jan 04, 2024
- Dec 19, 2023
- Dec 14, 2023
- Dec 12, 2023
- Dec 07, 2023
- Nov 21, 2023
- Nov 16, 2023
- Nov 14, 2023
- Nov 09, 2023
- Oct 24, 2023
- Oct 12, 2023
- Oct 03, 2023
- Sep 21, 2023
- Sep 19, 2023
- Sep 14, 2023
- Sep 05, 2023
- Aug 24, 2023
- Aug 22, 2023
- Aug 17, 2023
- Aug 16, 2023
- Aug 08, 2023
- November 15th, 2022
- November 1st, 2022
- September 20th, 2022
- September 6th, 2022
- August 23, 2022
- August 9, 2022
- July 26th, 2022
- July 12th, 2022
- June 28th, 2022
- June 14th, 2022 - No recording
- May 31st, 2022
- May 10th, 2022
- April 26th, 2022
- April 19th, 2022
- April 5th, 2022
- March 22nd, 2022
- March 8th, 2022
- February 22nd, 2022
- February 8th, 2022