基于短吹模型的主压载水舱吹除仿真与实验验证

羿琦; 林博群; 张万良; 钱宇; 邹文天; 张康

doi:10.19693/j.issn.1673-3185.02463

基于短吹模型的主压载水舱吹除仿真与实验验证

羿琦^{1, 2,},
林博群^{1, 2},
张万良^{1, 2},
钱宇^{1, 2},
邹文天^{1, 3},
张康^{1, 3}

1.
中国船舶科学研究中心，江苏无锡 214082
2.
深海载人装备国家重点实验室，江苏无锡 214082
3.
深海技术科学太湖实验室，江苏无锡 214082

基金项目: 江苏省自然科学基金资助项目（BK20200165）

详细信息

作者简介:
羿琦，男，1993年生，硕士，工程师

林博群，男，1991年生，硕士，工程师

通讯作者:
羿琦

中图分类号: U674.76
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出版历程
- 收稿日期: 2021-07-21
- 修回日期: 2022-01-26
- 网络出版日期: 2022-02-12
- 刊出日期: 2022-06-29

Simulation and experimental verification of main ballast tank blowing based on short circuit blowing model

YI Qi^{1, 2,},
LIN Boqun^{1, 2},
ZHANG Wanliang^{1, 2},
QIAN Yu^{1, 2},
ZOU Wentian^{1, 3},
ZHANG Kang^{1, 3}

1.
China Ship Scientific Research Center, Wuxi 214082, China
2.
State Key Laboratory of Deepsea Manned Vehicles, Wuxi 214082, China
3.
Taihu Laboratory of Deepsea Technological Science, Wuxi 214082, China

基于短吹模型的主压载水舱吹除仿真与实验验证羿琦，采用知识共享署名4.0国际许可协议进行许可。

摘要

摘要:
目的为了研究潜艇主压载水舱的吹除排水性能，开展基于短路吹除模型的吹除仿真与实验。
方法首先，修正短路吹除数理模型，以模拟气瓶放气过程和水舱排水过程；然后，开展压缩空气吹除主压载水舱等比例模型实验，分析气源体积、气源压力和通海孔面积对吹除效果的影响；最后，通过与实验结果的对比，验证修正的数理模型对水舱吹除过程的预报准确性。
结果研究发现：修正的模型在低压力、小通径工况下的预报准确性较高，当气源压力小于15 MPa时，水舱峰压预报相对误差在15%以内；不同通海孔通径下主压载水舱内气体峰值压力的出现时间有所不同，小通径工况下的舱内气体峰值压力出现在压缩空气刚进入水舱时，而大通径工况下则为积压解除之前；当舱内积压解除之后，舱内气体压力大幅下降，可将其作为解除吹除的判据。
结论研究成果可为实际工程应用中的主压载水舱吹除操作提供参考。
- 主压载水舱 /
- 修正短路吹除模型 /
- 通海孔 /
- 水舱峰值压力
Abstract:
Objective In order to study the blowing and drainage performance of a submarine main ballast tank system, the simulation and experiment of main ballast blowing based on the short circuit blowing model are carried out.
Methods First, the short circuit blowing model is modified to simulate the process of air release and water drainage. Next, an equal scale model test of a compressed air blowing ballast tank is carried out, and the effects of air source volume, air source pressure and sea opening area on the blowing effect are analyzed. Finally, the reliability of the short circuit blowing model is experimentally verified.
Results The modified model has high accuracy, especially in the prediction of low air source pressure and small sea opening diameter conditions. When the air source pressure is less than 15 MPa, the relative error of peak pressure prediction is less than 15%. The occurrence time of air peak pressure is different under different sea opening diameters, under small diameter conditions, the air pressure reaches its maximum when the compressed air first enters the tank, while under large diameter conditions, the peak pressure appears before the accumulated air pressure is released. When the accumulated air pressure is released, the tank air pressure drops sharply, which can be used as a criterion to stop blowing.
Conclusion The results of this study can provide references for the blowing operation of the main ballast tank in practical engineering applications.
- main ballast tank /
- modified short circuit blowing model /
- sea opening /
- tank air peak pressure

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图 1 实验装置原理图

Figure 1. Schematic diagram of the experimental device

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图 2 吹除系统简化图

Figure 2. Simplified drawing of blowing system

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图 3 气源压力和水舱内气体压力变化曲线(V_F=V₀)

Figure 3. Variation curves of air source pressure and ballast tank air pressure (V_F=V₀)

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图 4 气源压力和水舱内气体压力的变化曲线(V_F=3V₀)

Figure 4. Variation curves of air source pressure and ballast tank air pressure (V_F=3V₀)

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图 5 气源压力和水舱内气体压力的变化曲线(V_F=2V₀)

Figure 5. Variation curves of air source pressure and ballast tank air pressure (V_F=2V₀)

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表 1 工况参数

Table 1 Working condition parameters

工况	气源体积	通海孔通径	气源压力P_F0/MPa
1	V_F=V₀	DN 65	3.10
2	V_F=V₀	DN 65	5.05
3	V_F=3V₀	DN 150	2.13
4	V_F=3V₀	DN 150	3.15
5	V_F=2V₀	DN 65	2.16
6	V_F=2V₀	DN 150	2.16

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表 2 仿真与实验结果对比（V_F=V₀）

Table 2 Comparison of simulation and experimental results (V_F=V₀)

V_F=V₀		实验结果		仿真结果		水舱峰压相对误差δ/%
通海孔通径	气源压力 P_F0/MPa	吹除时间t/s	$P_{ {\text{max} } }^{ {\text{Exp} } }$ /MPa	吹除时间t/s	$P_{ {\text{max} } }^{ {\text{Sim} } }$ /MPa	水舱峰压相对误差δ/%
DN 65	3.10	17~20	0.310 8	19.16	0.325 7	4.79
DN 65	5.05	14~17	0.406 4	15.30	0.435 3	7.11
DN 80	1.15	23~26	0.160 4	29.42	0.153 9	4.05
	2.16	15~18	0.207 4	18.04	0.206 0	0.68
	15.36	7~10	0.571 6	7.19	0.645 8	12.98
DN 100	2.12	14~17	0.166 9	15.43	0.169 8	1.74
DN 100	20.90	5~8	0.539 2	5.01	0.616 0	14.24
DN 125	2.21	13~16	0.125 4	12.92	0.145 3	15.87
DN 125	24.52	6~9	0.394 4	3.64	0.526 2	33.42

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表 3 仿真与实验结果对比（V_F=2V₀）

Table 3 Comparison of simulation and experimental results (V_F=2V₀)

V_F=2V₀		实验结果		仿真结果		水舱峰压相对误差δ/%
通海孔通径	气源压力 P_F0/MPa	吹除时间t/s	$P_{ {\text{max} } }^{ {\text{Exp} } }$ /MPa	吹除时间t/s	$P_{ {\text{max} } }^{ {\text{Sim} } }$ /MPa	水舱峰压相对误差δ/%
DN 65	1.17	24~27	0.200 0	30.95	0.192 2	3.90
	2.16	18~21	0.266 6	21.88	0.265 2	0.53
	3.12	16~19	0.323 6	18.34	0.326 9	1.02
	4.06	14~17	0.376 5	16.30	0.381 7	1.38
	5.04	14~17	0.424 2	14.87	0.434 7	2.48
	6.19	13~16	0.477 4	13.66	0.492 8	3.23
	8.15	12~15	0.557 4	12.23	0.584 4	4.84
DN 150	2.16	9~12	0.130 3	11.36	0.135 9	4.30
	4.10	7~10	0.154 2	7.04	0.165 4	7.26
	5.17	7~10	0.170 1	6.10	0.182 0	7.00
	8.17	7~10	0.196 1	4.75	0.226 1	15.30
	12.20	7~10	0.240 2	3.91	0.279 7	16.44
	16.13	6~9	0.286 0	3.45	0.327 9	14.65
	18.03	6~9	0.295 4	3.29	0.350 0	18.48
	20.16	6~9	0.291 8	3.14	0.373 9	28.14
	23.17	6~9	0.317 4	2.96	0.406 3	28.01
	25.09	5~8	0.329 0	2.86	0.426 3	29.57

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表 4 仿真与实验结果对比（V_F=3V₀）

Table 4 Comparison of simulation and experimental results (V_F=3V₀)

V_F=3V₀		实验结果		仿真结果		水舱峰压相对误差δ/%
通海孔通径	气源压力 P_F0/MPa	吹除时间t/s	$P_{ {\text{max} } }^{ {\text{Exp} } }$ /MPa	吹除时间t/s	$P_{ {\text{max} } }^{ {\text{Sim} } }$ /MPa	水舱峰压相对误差δ/%
DN 150	1.13	14~17	0.122 0	20.42	0.125 4	2.79
	2.13	8~11	0.130 0	11.25	0.136 8	5.23
	3.15	8~11	0.142 5	8.34	0.152 1	6.74
	4.14	6~9	0.155 3	6.94	0.167 6	7.92
	5.14	6~9	0.169 4	6.08	0.183 2	8.15
	6.17	6~9	0.182 6	5.48	0.198 8	8.87
	7.14	6~9	0.195 0	5.07	0.213 2	9.33
	8.13	6~9	0.207 3	4.74	0.227 4	9.70
	9.15	6~9	0.218 8	4.47	0.241 5	10.37
	10.32	6~9	0.230 9	4.22	0.257 3	11.43
	12.23	4~7	0.248 5	3.89	0.282 1	13.52
	14.11	4~7	0.263 4	3.65	0.305 4	15.95
	15.07	4~7	0.270 2	3.55	0.317 0	17.32
	16.14	4~7	0.273 4	3.44	0.329 6	20.56
	18.23	3~6	0.300 7	3.26	0.353 5	17.56
	20.28	3~6	0.288 9	3.12	0.376 1	30.18
	23.15	3~6	0.308 0	2.95	0.406 7	32.05
	25.02	3~6	0.306 1	2.86	0.426 0	39.17

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