◦ ಈ೪ੑɿද 5.1 ◦ ࢄԽεΩʔϜɿ2 ࣍ਫ਼෩্ࠩ • ڥք݅ ◦ inletɿྲྀنఆ (0.15, 0, 0) ◦ outletɿࣗવྲྀग़ ◦ wallsɿΓ݅ ◦ emptyɿ2 ࣍ݩ݅ ˝ ද 5.1: ղੳέʔε ղੳέʔε ಈ೪ੑ ν ϨΠϊϧζ Re ιϧό Re2 1.5 × 10−3 2 simpleFoam Re5 6.0 × 10−4 5 ˢ Re20 3.0 × 10−4 10 ˢ Re40 7.5 × 10−5 40 ˢ Re100 3.0 × 10−5 100 pimpleFoam Re200 1.5 × 10−5 200 ˢ Re500 6.0 × 10−6 500 ˢ Re1000 3.0 × 10−6 1000 ˢ Re2000 1.5 × 10−6 2000 ˢ Re5000 6.0 × 10−7 5000 ˢ Re10000 3.0 × 10−7 10000 ˢ ຊདྷͰ͋ΕϨΠϊϧζ Re = 1000 Ҏ্Ͱཚྲྀͷ༷૬͕ݦஶʹදΕͯ͘Δ ͨΊɺϝογϡαΠζཚྲྀϞσϧͷݕ౼ΛेΛߦ͏ඞཁ͕͋Γ·͕͢ɺຊॻͷ ༰Λେ͖͘ҳ͢ΔͨΊɺࠓճཚྲྀϞσϧΛ༻͠ͳ͍ൣғͷϨΠϊϧζҬ Re = 2 ∼ 2000 ͱɺղੳϞσϧతʹద༻֎ Re = 5000, 10000 Ͱͷύϥϝʔλελ σΟΛߦ͍·ͨ͠*2ɻ 5.2 ϓϩάϥϜͷ֓ཁ ҎԼɺϓϩάϥϜͷશମΛࣔ͠·͢ɻ *2 ࣮ࠓճͷϞσϧͰ Re = 5000 Ҏ্ͰɺԁபޙํͷཚΕ͕ܹ͘͠ɺ extrudeMesh Ͱϝο γϡΛԆͨ͠෦ͰྲྀΕ͕ෆ҆ఆʹͳ͍ͬͯΔɻ – 100 –