27
0688-SOM-00001, Rev: 02
© Tritech International Ltd.
C.5. Wilson Equation
Source: The Hydrographic Society Special Publication No. 34
Validity: T = -4 to 30oC, S = 25 to 37ppt, P = 0 to 1000 kg/cm2 (Wilson W D., 1960)
C.6. Coopers Equation
Source: NPL Technical Guides – Speed of Sound in Sea-water
Validity: T = 0 to 35oC, S = 0 to 45ppt, D = 0 to 4000 meters (A.B. Coppens, 1981)
𝑽𝑽 = 𝟏𝟏𝟏𝟏𝟏𝟏𝟏𝟏. 𝟏𝟏𝟏𝟏 + 𝑽𝑽
𝑻𝑻
+ 𝑽𝑽
𝑷𝑷
+ 𝑽𝑽
𝑺𝑺
+ 𝑽𝑽
𝑺𝑺𝑻𝑻𝑷𝑷
𝑉𝑉
𝑇𝑇
= 4.5721 ∗ 𝑇𝑇 − 4.4532𝐸𝐸
−2
𝑇𝑇
2
− 2.6045𝐸𝐸
−4
𝑇𝑇
3
+ 7.9851𝐸𝐸
−6
𝑇𝑇
4
𝑉𝑉
𝑃𝑃
= 1.60272𝐸𝐸
−1
∗ 𝑃𝑃
𝑘𝑘
+ 1.0268𝐸𝐸
−5
𝑃𝑃
𝑘𝑘
2
+ 3.5216𝐸𝐸
−9
𝑃𝑃
𝑘𝑘
3
− 3.3603𝐸𝐸
−12
𝑃𝑃
𝑘𝑘
4
𝑉𝑉
𝑆𝑆
= 1.39799 ∗ (𝑆𝑆 − 35) + 1.69202𝐸𝐸
−3
∗ (𝑆𝑆 − 35)
2
𝑉𝑉
𝑆𝑆𝑇𝑇𝑃𝑃
= (𝑆𝑆 − 35)(𝑉𝑉
𝑆𝑆𝑇𝑇𝑃𝑃0
+ 𝑉𝑉
𝑆𝑆𝑇𝑇𝑃𝑃1
+ 𝑉𝑉
𝑆𝑆𝑇𝑇𝑃𝑃2
+ 𝑉𝑉
𝑆𝑆𝑇𝑇𝑃𝑃3
)
𝑉𝑉
𝑆𝑆𝑇𝑇𝑃𝑃0
= −1.1244𝐸𝐸
−2
𝑇𝑇 + 7.7711𝐸𝐸
−7
𝑇𝑇
2
+ 7.7016𝐸𝐸
−5
𝑃𝑃
𝑘𝑘
− 1.2943𝐸𝐸
−7
𝑃𝑃
𝑘𝑘
2
+ 3.1580𝐸𝐸
−8
𝑃𝑃
𝑘𝑘
𝑇𝑇 + 1.5790𝐸𝐸
−9
𝑃𝑃
𝑘𝑘
𝑇𝑇
2
𝑉𝑉
𝑆𝑆𝑇𝑇𝑃𝑃1
= 𝑃𝑃
𝑘𝑘
(−1.8607𝐸𝐸
−4
𝑇𝑇 + 7.4812𝐸𝐸
−6
𝑇𝑇
2
+ 4.5283𝐸𝐸
−8
𝑇𝑇
3
)
𝑉𝑉
𝑆𝑆𝑇𝑇𝑃𝑃2
= 𝑃𝑃
𝑘𝑘
2
(−2.5294𝐸𝐸
−7
𝑇𝑇 + 1.8563𝐸𝐸
−9
𝑇𝑇
2
)
𝑉𝑉
𝑆𝑆𝑇𝑇𝑃𝑃3
= 𝑃𝑃
𝑘𝑘
2
(−1.9646𝐸𝐸
−10
𝑇𝑇)
𝑇𝑇 = 𝑇𝑇𝑇𝑇𝑇𝑇𝑇𝑇𝑇𝑇𝑇𝑇𝑇𝑇𝑇𝑇𝑇𝑇𝑇𝑇𝑇𝑇 𝑖𝑖𝑖𝑖 𝑑𝑑𝑇𝑇𝑑𝑑𝑇𝑇𝑇𝑇𝑇𝑇𝑑𝑑 𝐶𝐶𝑇𝑇𝐶𝐶𝑑𝑑𝑖𝑖𝑇𝑇𝑑𝑑
𝑆𝑆 = 𝑆𝑆𝑇𝑇𝐶𝐶𝑖𝑖𝑖𝑖𝑖𝑖𝑇𝑇𝑆𝑆 𝑖𝑖𝑖𝑖 𝑇𝑇𝑇𝑇𝑇𝑇𝑇𝑇𝑑𝑑 𝑇𝑇𝑇𝑇𝑇𝑇 𝑇𝑇ℎ𝑜𝑜𝑇𝑇𝑑𝑑𝑇𝑇𝑖𝑖𝑑𝑑
𝑃𝑃
𝑘𝑘
= 𝑃𝑃𝑇𝑇𝑇𝑇𝑑𝑑𝑑𝑑𝑇𝑇𝑇𝑇𝑇𝑇 𝑖𝑖𝑖𝑖 𝑘𝑘𝑑𝑑/𝑐𝑐𝑇𝑇
2
(𝑤𝑤ℎ𝑇𝑇𝑇𝑇𝑇𝑇 1 𝑘𝑘𝑑𝑑 𝑐𝑐𝑇𝑇
2
𝑖𝑖𝑑𝑑 0.980665 𝑏𝑏𝑇𝑇𝑇𝑇)
⁄
C(D,S,t) = C(0,S,t) + (16.23 + 0.253t)D + (0.213-0.1t)D
2
+
[0.016 + 0.0002(S35)](S - 35)tD
C(0,S,t)= 1449.05 + 45.7t - 5.21t
2
+ 0.23t
3
+ (1.333 - 0.126t + 0.009t
2
)(S
- 35)
𝑡𝑡 =
𝑇𝑇
10 (𝑤𝑤ℎ𝑒𝑒𝑒𝑒𝑒𝑒 𝑇𝑇 = 𝑇𝑇𝑒𝑒𝑇𝑇𝑇𝑇𝑒𝑒𝑒𝑒𝑇𝑇𝑡𝑡𝑇𝑇𝑒𝑒𝑒𝑒 𝑖𝑖𝑖𝑖 𝑑𝑑𝑒𝑒𝑑𝑑𝑒𝑒𝑒𝑒𝑒𝑒𝑑𝑑 𝐶𝐶𝑒𝑒𝐶𝐶𝑑𝑑𝑖𝑖𝑇𝑇𝑑𝑑)
𝑆𝑆 = 𝑆𝑆𝑇𝑇𝐶𝐶𝑖𝑖𝑖𝑖𝑖𝑖𝑡𝑡𝑆𝑆 𝑖𝑖𝑖𝑖 𝑇𝑇𝑇𝑇𝑒𝑒𝑡𝑡𝑑𝑑 𝑇𝑇𝑒𝑒𝑒𝑒 𝑡𝑡ℎ𝑜𝑜𝑇𝑇𝑑𝑑𝑇𝑇𝑖𝑖𝑑𝑑
𝐷𝐷 = 𝐷𝐷𝑒𝑒𝑇𝑇𝑡𝑡ℎ 𝑖𝑖𝑖𝑖 𝑇𝑇𝑒𝑒𝑡𝑡𝑒𝑒𝑒𝑒𝑑𝑑
Содержание Tritech Super SeaKing 700 V7 Series
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