気温 代謝量 3D-CAD 局所対流熱伝達率の算出に萩島 …¹±流モデル 低Re型k-ε モデル(AKNモデル) 移流項差分スキーム QUICK 地面・建物壁面境界

  • Upload
    ngongoc

  • View
    221

  • Download
    0

Embed Size (px)

Citation preview

  • [1] 3D-CAD 20200412[2] 560200210[3] k- 1 550200112

    11

    22

    21

    1

    CFD

    X124m (235mesh)

    Y177m (236mesh)

    Z60m (69mesh)

    N

    124m(x)177m(y)60m(z)

    235(x)236(y)69(z)= 3826740

    (40cm)

    1.1

    Rek-

    QUICK

    0.20.25

    Free-slip

    15

    N

    - 3D-CADCFD -

    3D-CAD

    3D-CAD

    3.0

    2.5

    1.5

    0

    2.0

    1.0

    0.5

    90

    85

    75

    60

    80

    70

    65

    0:00 3:00 6:00 9:00 12:00 15:00 18:00 21:00 24:00

    1000

    900

    700

    500

    400

    0

    800

    600

    300

    200

    100

    36

    34

    32

    28

    20

    30

    26

    24

    22

    [m/s]

    [W/m2]

    []

    [%]

    200182

    3 3D-CAD

    3

    1

    4

    5

    2

    N

    MRT

    MRT 15 1.5m

    SET*

    SET*

    3D-CADCFD

    3D-CADCFD

    [2]

    [3]

    20cm40cm

    3D-CAD

    CFD

    CAD

    A

    (15 1.5m) (15 1.5m)

    A

    A

    B

    B

    3D-CADCFD

    u,v,wk[3]C

    k-

    42.6296.3 222 kwvuc [W/m2K]

    =31.8

    25 30 35 40 45 50 55 []

    =31.8

    32 35 40 45 50 55 58 []

    =31.8

    30 32 34 36 38 40 42 []

    MRT

    MRT

    N

    N

    N N

    Wind Wind

    WindMRT 55

    MRT 34

    B B

    A

    Wind

    Wind

    1. 2. 3.

    5. 6.4.

    etc

    1. 2. 3.

    5. 6.4.

    etc

    20~40cm

    20~

    40cm

    0.22.38(K)/W

    1-3 0.20.37(K)/W

    4 0.20.27(K)/W

    5 0.40.46(K)/W

    0.21.39(K)/W

    0.21600kJ/(K)

    0.31900kJ/(K)

    0.16(K)/W 6mm