Home›Dimensionless numbers of fluid mechanics›Knudsen number🌐EnglishEnglishDeutschEspañolFrançaisItalianoNederlandsPolskiPortuguêsTürkçeРусскийالعربيةفارسیहिन्दी한국어中文日本語EntityQ898463· pop 24· linked from 122 articlesKnudsen numberquotient of the mean free path of a particle and a characteristic lengthAvailable in 23 languagesEspañolFrançaisDeutsch中文日本語РусскийPortuguêsItalianoالعربيةहिन्दीBasqueConnectionsideal gasEntityUnited StatesCountryDenmarkCategoriesDimensionless numbers of fluid mechanicsFluid dynamics