* Downcomer Area
A D
A S
Tower Area
=
=
A
WEIR LENGTH AND DOWNCOMER AREA
R*
.070
2
3
4
5
6
7
8
9
5
6
7
8
9
5
6
7
8
9
5
6
7
8
9
5
6
7
8
9
5
6
7
8
9
5
6
7
8
9
5
6
7
8
9
1
.080
2
3
4
1
.130
2
3
4
1
.180
2
3
4
1
.230
2
3
4
1
5
6
7
8
9
5
6
7
8
9
5
6
7
8
9
.090
2
3
4
1
.140
2
3
4
1
.190
2
3
4
1
5
6
7
8
9
5
6
7
8
9
5
6
7
8
9
.100
2
3
4
1
.150
2
3
4
1
.200
2
3
4
1
5
6
7
8
9
5
6
7
8
9
5
6
7
8
9
.110
2
3
4
1
.160
2
3
4
1
.210
2
3
4
1
.170
2
.751 .113
.114
.115
.116
.117
.117
.118
.119
.120
.121
.122
.123
.124
.125
.126
.127
.128
.129
.130
.131
.132
.133
.134
.135
.136
.137
.138
.139
.140
.141
.142
.143
.144
.145
.146
.148
.149
.150
.151
.152
.153
.154
.155
.156
.157
lo
A D
r
.158
Diameter
.159
.160
.161
.162
.753
.755
.756
.758
.760
.762
.763
.765
.766
.768
.770
.772
.773
.775
.777
.778
.780
.781
.783
.784
.785
.787
.789
.790
.792
.794
.795
.797
.798
.800
.802
.803
.805
.806
.808
.809
.810
.812
.813
.814
.816
.817
.819
.820
.822
.823
.824
.826
.827
3
4
1
.220
2
3
4
1
.826 .163 .280
.390 .977 .361
.367
.374
.380
.386
.392
.398
.405
.412
.418
.424
.430
.437
.450
.462
.475
.488
0.50
.979
.980
.982
.984
.986
.987
.989
.991
.993
.994
.995
.996
.997
.998
.998
.999
1.0
.400
.896 .230
.236
.241
.247
.252
.258
.264
.270
.276
.282
.289
.294
.300
.306
.312
.318
.324
.330
.337
.343
.348
.354
.903
.906
.913
.917
.921
.925
.930
.933
.937
.941
.945
.948
.951
.955
.958
.961
.964
.967
.969
.971
.977
.290
.164
5
5
.300
.310
5
5
.320
.330
5
5
.340
.350
5
5
.360
.370
5
5
.380
5
.240
.250
5
5
.260
.270
5
5
5
5
.410
.420
5
5
.430
.440
5
5
.450
.470
.460
.480
.500
.490
.165
.166
.167
.169
.170
.171
.172
.173
.174
.175
.176
.177
.178
.179
.180
.181
.182
.183
.184
.190
.196
.202
.207
.213
.218
.224
* THIS TABLE RELATES THE DOWNCOMER AREA THE
WEIR LENGTH, AND THE HEIGHT OF THE CIRCULAR
SEGMENT FORMED BY THE WEIR.
.829
.831
.832
.834
.835
.836
.838
.839
.841
.842
.843
.846
.848
.849
.850
.851
.853
.854
.855
.860
.866
.872
.878
.883
.888
.893
.845
.120
2
3
4
1
.650 .0680
.0688
.0697
.0705
.0714
.0722
.0731
.0739
.0748
.0756
.0765
.0747
.0782
.0791
.0799
.0808
.0817
.0825
.0834
.0842
.0851
.0860
.0869
.0878
.0887
.0896
.0905
.0914
.0923
.0932
.0941
.0950
.0959
.0969
.0978
.0987
.0996
.1005
.1015
.102
.103
.104
.105
.106
.107
.108
.109
.110
.111
.112
.652
.654
.657
.659
.661
.663
.665
.668
.670
.672
.674
.677
.679
.682
.684
.686
.688
.691
.693
.695
.697
.699
.700
.702
.704
.706
.708
.710
.712
.714
.716
.718
.720
.722
.724
.726
.728
.729
.731
.733
.735
.737
.738
.740
.742
.744
.746
.747
.749
.511 .0306
.0315
.0321
.0326
.0335
.0342
.0348
.0355
.0362
.0368
.0375
.0382
.0389
.0396
.0403
.0410
.0418
.0425
.0432
.0439
.0446
.0454
.0461
.0469
.0475
.0484
.0491
.0499
.0506
.0514
.0521
.0529
.0537
.0545
.0553
.0561
.0569
.0576
.0584
.0592
.0600
.0608
.0618
.0624
.0632
.0640
.0648
.0656
.0664
.0672
.514
.517
.521
.524
.527
.530
.533
.536
.539
.542
.545
.548
.552
.555
.558
.561
.564
.567
.570
.573
.576
.578
.581
.583
.586
.589
.592
.594
.597
.600
.603
.605
.608
.610
.613
.615
.618
.620
.623
.625
.628
.630
.633
.635
.638
.640
.643
.645
.648
R
r
Diameter
Dia.
* Downcomer Rise
=
=
L*
A*
R*
L*
A*
R*
L*
A*
R*
L*
A*
R*
L*
A*
R*
L*
A*
Diameter
L =
* Weir Length
lo
Dia.
=
Fig. 38 Chord height, area, and lengths
198
D.S.J. Jones
A D
A S
Tower Area
=
=
A
WEIR LENGTH AND DOWNCOMER AREA
R*
.070
2
3
4
5
6
7
8
9
5
6
7
8
9
5
6
7
8
9
5
6
7
8
9
5
6
7
8
9
5
6
7
8
9
5
6
7
8
9
5
6
7
8
9
1
.080
2
3
4
1
.130
2
3
4
1
.180
2
3
4
1
.230
2
3
4
1
5
6
7
8
9
5
6
7
8
9
5
6
7
8
9
.090
2
3
4
1
.140
2
3
4
1
.190
2
3
4
1
5
6
7
8
9
5
6
7
8
9
5
6
7
8
9
.100
2
3
4
1
.150
2
3
4
1
.200
2
3
4
1
5
6
7
8
9
5
6
7
8
9
5
6
7
8
9
.110
2
3
4
1
.160
2
3
4
1
.210
2
3
4
1
.170
2
.751 .113
.114
.115
.116
.117
.117
.118
.119
.120
.121
.122
.123
.124
.125
.126
.127
.128
.129
.130
.131
.132
.133
.134
.135
.136
.137
.138
.139
.140
.141
.142
.143
.144
.145
.146
.148
.149
.150
.151
.152
.153
.154
.155
.156
.157
lo
A D
r
.158
Diameter
.159
.160
.161
.162
.753
.755
.756
.758
.760
.762
.763
.765
.766
.768
.770
.772
.773
.775
.777
.778
.780
.781
.783
.784
.785
.787
.789
.790
.792
.794
.795
.797
.798
.800
.802
.803
.805
.806
.808
.809
.810
.812
.813
.814
.816
.817
.819
.820
.822
.823
.824
.826
.827
3
4
1
.220
2
3
4
1
.826 .163 .280
.390 .977 .361
.367
.374
.380
.386
.392
.398
.405
.412
.418
.424
.430
.437
.450
.462
.475
.488
0.50
.979
.980
.982
.984
.986
.987
.989
.991
.993
.994
.995
.996
.997
.998
.998
.999
1.0
.400
.896 .230
.236
.241
.247
.252
.258
.264
.270
.276
.282
.289
.294
.300
.306
.312
.318
.324
.330
.337
.343
.348
.354
.903
.906
.913
.917
.921
.925
.930
.933
.937
.941
.945
.948
.951
.955
.958
.961
.964
.967
.969
.971
.977
.290
.164
5
5
.300
.310
5
5
.320
.330
5
5
.340
.350
5
5
.360
.370
5
5
.380
5
.240
.250
5
5
.260
.270
5
5
5
5
.410
.420
5
5
.430
.440
5
5
.450
.470
.460
.480
.500
.490
.165
.166
.167
.169
.170
.171
.172
.173
.174
.175
.176
.177
.178
.179
.180
.181
.182
.183
.184
.190
.196
.202
.207
.213
.218
.224
* THIS TABLE RELATES THE DOWNCOMER AREA THE
WEIR LENGTH, AND THE HEIGHT OF THE CIRCULAR
SEGMENT FORMED BY THE WEIR.
.829
.831
.832
.834
.835
.836
.838
.839
.841
.842
.843
.846
.848
.849
.850
.851
.853
.854
.855
.860
.866
.872
.878
.883
.888
.893
.845
.120
2
3
4
1
.650 .0680
.0688
.0697
.0705
.0714
.0722
.0731
.0739
.0748
.0756
.0765
.0747
.0782
.0791
.0799
.0808
.0817
.0825
.0834
.0842
.0851
.0860
.0869
.0878
.0887
.0896
.0905
.0914
.0923
.0932
.0941
.0950
.0959
.0969
.0978
.0987
.0996
.1005
.1015
.102
.103
.104
.105
.106
.107
.108
.109
.110
.111
.112
.652
.654
.657
.659
.661
.663
.665
.668
.670
.672
.674
.677
.679
.682
.684
.686
.688
.691
.693
.695
.697
.699
.700
.702
.704
.706
.708
.710
.712
.714
.716
.718
.720
.722
.724
.726
.728
.729
.731
.733
.735
.737
.738
.740
.742
.744
.746
.747
.749
.511 .0306
.0315
.0321
.0326
.0335
.0342
.0348
.0355
.0362
.0368
.0375
.0382
.0389
.0396
.0403
.0410
.0418
.0425
.0432
.0439
.0446
.0454
.0461
.0469
.0475
.0484
.0491
.0499
.0506
.0514
.0521
.0529
.0537
.0545
.0553
.0561
.0569
.0576
.0584
.0592
.0600
.0608
.0618
.0624
.0632
.0640
.0648
.0656
.0664
.0672
.514
.517
.521
.524
.527
.530
.533
.536
.539
.542
.545
.548
.552
.555
.558
.561
.564
.567
.570
.573
.576
.578
.581
.583
.586
.589
.592
.594
.597
.600
.603
.605
.608
.610
.613
.615
.618
.620
.623
.625
.628
.630
.633
.635
.638
.640
.643
.645
.648
R
r
Diameter
Dia.
* Downcomer Rise
=
=
L*
A*
R*
L*
A*
R*
L*
A*
R*
L*
A*
R*
L*
A*
R*
L*
A*
Diameter
L =
* Weir Length
lo
Dia.
=
Fig. 38 Chord height, area, and lengths
198
D.S.J. Jones