Dynamic Characteristics of Propellant Supply System Using Nitrogen

WANG Qian; QIN Kan; HAO Changle; ZHANG Anjing; LUO Kai; DANG Jianjun

doi:10.11993/j.issn.2096-3920.202205007

Volume 31 Issue 5

Oct 2023

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WANG Qian, QIN Kan, HAO Changle, ZHANG Anjing, LUO Kai, DANG Jianjun. Dynamic Characteristics of Propellant Supply System Using Nitrogen[J]. Journal of Unmanned Undersea Systems, 2023, 31(5): 760-770. doi: 10.11993/j.issn.2096-3920.202205007

Citation:

WANG Qian, QIN Kan, HAO Changle, ZHANG Anjing, LUO Kai, DANG Jianjun. Dynamic Characteristics of Propellant Supply System Using Nitrogen[J]. Journal of Unmanned Undersea Systems, 2023, 31(5): 760-770. doi: 10.11993/j.issn.2096-3920.202205007

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Dynamic Characteristics of Propellant Supply System Using Nitrogen

doi: 10.11993/j.issn.2096-3920.202205007

School of Marine Science and Technology, Northwestern Polytechnical University, Xi’an 710072, China

Received Date: 2022-05-21
Rev Recd Date: 2022-07-09

Available Online: 2023-09-13

Abstract

Abstract

Whether the fuel supply system can quickly supply the fuel to the combustion chamber with a certain mass flow rate and proportion for engine acting is a key factor during the torpedo start-up process. A one-dimensional compressible numerical simulation program suitable for torpedo energy supply systems was established to simulate the dynamic characteristics of typical torpedo propellant supply systems using nitrogen extrusion. The one-dimensional program was verified against the results from classical literature and Fluent numerical simulation method, and good agreement was achieved. The program could be used to simulate the unsteady flow within the propellant supply system model. The effects of valve diameter, high-pressure chamber pressure, and propellant chamber volume on the dynamic response characteristics of the propellant supply system model were then studied. The results show that with the increase in the valve diameter, the balance time of the system can be shortened, and the effect of the high-pressure chamber pressure on the system balance time is mitigated. Within the studied range, the increase in the propellant chamber volume will also lead to the extension of the system balance time and the eventual reduction of the stable pressure.
- torpedo,
- propellant supply system,
- nitrogen extrusion,
- dynamic characteristics

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References(22)

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