Submarine Free Running Model Development and Basic Performance Analysis

Lee, Jooho; Kim, Seonhong; Shin, Jihwan; Ahn, Jinhyeong

doi:10.3744/snak.2023.60.4.256

SNAK

2023

DOI: 10.3744/snak.2023.60.4.256

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Submarine Free Running Model Development and Basic Performance Analysis

Jooho Lee,

Seonhong Kim,

Jihwan Shin

et al.

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2024

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Cited by 3 publications

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Experiment and modeling of submarine emergency rising motion using free-running model

Lee,

Kim,

Shin

et al. 2024

International Journal of Naval Architecture and Ocean Engineeri

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Experiment and modeling of submarine emergency rising motion using free-running model

Lee,

Kim,

Shin

et al. 2024

International Journal of Naval Architecture and Ocean Engineeri

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A Model Experimental Study on Water flows out from the Ballast Tank for Emergency Rising of Submarines

Jung,

Lee,

Shin

2024

J. Ocean Eng. Technol.

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Accurate assessment models are crucial for ensuring the safe operation of submarines during emergency rising, highlighting the need for a precise mathematical model to optimize ballast tank operations. The emergency rising process involves the rapid release of high-pressure compressed air from the ballast tank, a complex sequence influenced by variations in depth and pressure. This study focuses on developing and validating a mathematical model to accurately simulate this operation. Building upon prior studies of the air-blowing process within the ballast tank was performed. An experimental setup was also established to measure discharge rates under varying depths and pressures, facilitating a comparative analysis of experimental and simulated data. The findings reveal that pressure loss is a critical factor influencing the discharge flow rate. Consequently, a new formula is proposed to dynamically adjust pressure loss based on changes in depth and pressure. This model significantly improves the accuracy of flow rate calculations across diverse operating conditions, surpassing earlier models that relied on fixed pressure loss coefficients. The proposed approach is expected to enhance predictions of submarine attitude changes during emergency rising maneuvers.

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Free Running Model Tests for Estimating the Maneuverability of Underwater Vehicles Under Surface Condition

Cho,

Yun,

Lee

et al. 2024

SNAK

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Submarine Free Running Model Development and Basic Performance Analysis

Cited by 3 publications

References 20 publications

Experiment and modeling of submarine emergency rising motion using free-running model

Experiment and modeling of submarine emergency rising motion using free-running model

A Model Experimental Study on Water flows out from the Ballast Tank for Emergency Rising of Submarines

Free Running Model Tests for Estimating the Maneuverability of Underwater Vehicles Under Surface Condition

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