{"id":"https://openalex.org/keywords/temperature-separation","display_name":"temperature separation","description":"The production of distinct hot and cold fluid streams from a single inlet, studied in vortex-tube flow and thermal engineering.","display_name_alternatives":[],"ids":{"openalex":"https://openalex.org/keywords/temperature-separation","wikidata":null},"primary_topic":{"id":"https://openalex.org/T13640","display_name":"Ranque-Hilsch vortex tube","score":0.8541,"subfield":{"id":"https://openalex.org/subfields/2210","display_name":"Mechanical Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T13640","display_name":"Ranque-Hilsch vortex tube","score":0.8541,"subfield":{"id":"https://openalex.org/subfields/2210","display_name":"Mechanical Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"works_count":465,"cited_by_count":5608,"works_api_url":"https://api.openalex.org/works?filter=keywords.id:keywords/temperature-separation","updated_date":"2026-10-16T04:06:51","created_date":"2026-09-30T00:00:00"}