test_geometry.py 文件源码

def test_RectangularFinExchanger():
    PFE = RectangularFinExchanger(0.03, 0.001, 0.012)
    assert_allclose(PFE.fin_height, 0.03)
    assert_allclose(PFE.fin_thickness, 0.001)
    assert_allclose(PFE.fin_spacing, 0.012)

    # calculated values
    assert_allclose(PFE.channel_height, 0.029)
    assert_allclose(PFE.blockage_ratio, 0.8861111111111111)
    assert_allclose(PFE.fin_count, 83.33333333333333)
    assert_allclose(PFE.Dh, 0.01595)
    assert_allclose(PFE.channel_width, 0.011)

    # with layers, plate thickness, width, and length (fully defined)
    PFE = RectangularFinExchanger(0.03, 0.001, 0.012, length=1.2, width=2.401, plate_thickness=.005, layers=40)
    assert_allclose(PFE.A_HX_layer, 19.2)
    assert_allclose(PFE.layer_fin_count, 200)
    assert_allclose(PFE.A_HX, 768.0)
    assert_allclose(PFE.height, 1.4+.005)
    assert_allclose(PFE.volume, 4.048085999999999)
    assert_allclose(PFE.A_specific_HX, 189.71928956054794)