{"id":13574881,"url":"https://github.com/openmsr/msre","last_synced_at":"2026-01-16T10:46:03.339Z","repository":{"id":39485115,"uuid":"143867227","full_name":"openmsr/msre","owner":"openmsr","description":"detailed cad model of the msre","archived":false,"fork":false,"pushed_at":"2025-09-24T10:53:07.000Z","size":114063,"stargazers_count":38,"open_issues_count":5,"forks_count":16,"subscribers_count":3,"default_branch":"master","last_synced_at":"2025-09-24T12:33:48.472Z","etag":null,"topics":[],"latest_commit_sha":null,"homepage":"https://msre.readthedocs.io","language":"Jupyter 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unexpected eof while reading","robots_txt_status":"success","robots_txt_updated_at":"2025-07-24T06:49:26.215Z","robots_txt_url":"https://github.com/robots.txt","online":false,"can_crawl_api":true,"host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"keywords":[],"created_at":"2024-08-01T15:00:55.539Z","updated_at":"2026-01-16T10:46:03.331Z","avatar_url":"https://github.com/openmsr.png","language":"Jupyter Notebook","funding_links":[],"categories":["Molten Salt Reactor"],"sub_categories":["Related Tools"],"readme":"# msre\n[![License: GPL v3](https://img.shields.io/badge/License-GPLv3-blue.svg)](https://www.gnu.org/licenses/gpl-3.0)\n\ndetailed cad model and openmc benchmarks of the [msre](https://en.wikipedia.org/wiki/Molten-Salt_Reactor_Experiment) (molten salt reactor experiment), operated by oak ridge national laboratory 1965-69.\n\n[onshape cad model v24](https://cad.onshape.com/documents/4f04f63bfd4138a61a54b3f8/v/88d7fcc8417e56a4ac5f9154/e/a2eb55ebc566613c79946855)\ncad model includes crude drawings of the insulation, thermal shield, external core primary circuit, and the reactor pit, but excluding certain detailes.\nall part names' begining correspond to it's material, e.g. graphite, salt, or inor-8 (hasteloy n).\nall core parts are thermally expanded to the operating temperature (currently to the temperature of the zero power experiments during commisioning). note that graphite thermal expansion coefficients are only given for room temperature and thus likely underpredicted and the control rod assembly temperature is unknow and like much higher than currently assigned.\n\n[core/msrecore.pdf](core/docs/msrecore.pdf) lists reference of the msre core design, documented in the old msre reports and located [here](https://github.com/openmsr/msr-archive/blob/master/README.md).\n\nindividual parts or assemblies can be exported directly from onshape.\n\nthis work and the cad models are under the GNU General Public License v3.0.\n\n\u003cimg width=\"941\" height=\"1881\" alt=\"image\" src=\"https://github.com/user-attachments/assets/e42acdf3-0c6e-4c3b-a541-739026c3ac15\" /\u003e\n\n\u003cimg width=\"1136\" height=\"1710\" alt=\"image\" src=\"https://github.com/user-attachments/assets/4b9e4459-aaf1-470f-a745-519fc81543e7\" /\u003e\n\n\u003cimg width=\"1204\" height=\"1212\" alt=\"image\" src=\"https://github.com/user-attachments/assets/ad711b58-dc45-4c94-919d-ea884442dc9d\" /\u003e\n\n# openmc benchmark\nopenmc benchmark include:\n- msre cad with settable control rods\n- msre isothermal temperature coefficient calculation\n- msre depletion analysis with fission products removal\n\nprerequisites:\n- [openmc](https://docs.openmc.org/en/stable/) automated source installation scripts for linux can be found [here](https://github.com/openmsr/openmc_install_scripts)\n- [CAD_to_openMC](https://github.com/openmsr/CAD_to_openMC) is an open-source package to convert CAD geometry (in the form of '.step' files) into an openmc-readable h5m file\n\n\n# msre heat exchangers thermohydralics\nopen-access [master's thesis](https://ltu.diva-portal.org/smash/get/diva2:1546993/FULLTEXT01.pdf) produced by Malcolm Akner about simulations of the heat exchangers of the msre, titled:\n\nValidating results from the Molten Salt Reactor Experiment by use of turbulent CFD simulations\n- A study of a modified U-tube shell-and-tube primary heat exchanger and radiator with molten salts\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fopenmsr%2Fmsre","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fopenmsr%2Fmsre","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fopenmsr%2Fmsre/lists"}