Design and Analysis of the High-Speed Underwater Glider with a Bladder-Type Buoyancy Engine-Reference-Cited by-同舟云学术

Design and Analysis of the High-Speed Underwater Glider with a Bladder-Type Buoyancy Engine

Published:2023-10-16 Issue:20 Volume:13 Page:11367
ISSN:2076-3417
Container-title:Applied Sciences
language:en
Short-container-title:Applied Sciences

Author:

Ji Dae-Hyeong¹^ORCID,Lee Jung-Han¹^ORCID,Ko Sung-Hyub¹^ORCID,Hyeon Jong-Wu¹^ORCID,Lee Ji-Hyeong²³,Choi Hyeung-Sik⁴^ORCID,Jeong Sang-Ki²

Affiliation:

1. Marine Domain & Security Research Department, Korea Institute of Ocean Science and Technology, Busan 49111, Republic of Korea

2. Maritime ICT & Mobility Research Department, Korea Institute of Ocean Science and Technology, Busan 49111, Republic of Korea

3. Ocean Science and Technology School, Korea Maritime and Ocean University, Busan 49112, Republic of Korea

4. Department of Mechanical Engineering, Korea Maritime and Ocean University, Busan 49112, Republic of Korea

Abstract

This study entailed the design and analysis of a 400 m class underwater glider operated by a bladder-type buoyancy engine. The underwater glider was designed for high-speed movement with a maximum velocity of 2 knots. The shape of the hull was designed to reduce water resistance using the Myring hull profile equation. The reliability was verified by performing simulations using resistance coefficients. The relationship between the control value of the ballast discharged from the buoyancy engine and the glider’s speed according to the path angle was analyzed. Further, the relationship between the optimal glide angle and the design control value of the ballast was derived, and the optimal glider speed was estimated accordingly. Based on the analysis results, a bladder-type buoyancy engine was developed, and the maximum speed of the tested underwater glider was measured via sea trials.

Funder

Ministry of Science and ICT, the Republic of Korea

Publisher

MDPI AG

Subject

Fluid Flow and Transfer Processes,Computer Science Applications,Process Chemistry and Technology,General Engineering,Instrumentation,General Materials Science

Link

https://www.mdpi.com/2076-3417/13/20/11367/pdf

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