Results 11 to 20 of about 33,738 (262)
Parameter inversion and amendment of underwater acoustic modulus of high-strength PVC foam
Zhongguo Jianchuan Yanjiu, 2023 ObjectiveThe purpose of this paper is to obtain the hydro-acoustic modulus of high-strength polyvinyl chloride (PVC) foam through an inversion algorithm based on the measured underwater acoustic insertion loss values of the composite samples, then ...
Bo HU +5 more
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Zhongguo Jianchuan Yanjiu, 2022 ObjectivesThis study seeks to explore the dynamic response characteristics of a marine steam power system under the condition of rapid and large power disturbance.
Xinggang WANG +4 more
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Zhongguo Jianchuan Yanjiu, 2020 Objectives Arousing the "Jellyfish mode" of a propeller can lead to strong low-frequency, narrow band sound radiation. On this basis, the second sound radiation mechanism of the "Jellyfish mode" has been investigated.
WU Chongjian +4 more
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Holistic Ship Design for Green Shipping
Transportation Research Procedia, 2022 The pattern of seaborne trade and goods transportation is changing and ships need to adapt to changes of customer and market requirements, cargo volumes, and new legislation for the safety of ships and nowadays, even more, to the strict regulatory requirements for the protection of the environment.
Apostolos Papanikolaou +7 more
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Analysis of influence of FSS radome on array antenna scanning
Zhongguo Jianchuan Yanjiu, 2020 Objectives Aiming to resolve the adverse effects of frequency selective surface (FSS) radomes on array antenna beam scanning, a method for optimizing FSS radomes is proposed.Methods First, an array antenna with 25 half-wave dipole elements is designed ...
MO Yi +4 more
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Time Response and Natural Frequency Analysis for Structures with Interval Parameters [PDF]
MATEC Web of Conferences, 2023 This paper deals with the evaluations of lower and upper bounds of dynamic responses and natural frequencies for structures with uncertain interval parameters.
Feng Xingxing, Cao Chang, Liu Min
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Analysis on the overall model framework of ship steam power based on digital twin
Zhongguo Jianchuan Yanjiu, 2021 Objectives In order to realize the digitalization, networking and intellectualization of ship steam power systems, this paper puts forward an application system based on a digital twin model.
Yuanlong YANG +4 more
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Influence of Frame Weld on Mechanic Performance of Double-walled Shell [PDF]
MATEC Web of Conferences, 2023 Weld type between parts will make a difference on structural performance, which is especially important for a daouble-walled shell. To get clear this problem, numerical simulation is conducted to investigate the influence of weld plans between frame and ...
Wang Peng +4 more
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Influence of external load on forced vibration of rectangular plate [PDF]
MATEC Web of Conferences, 2023 Rectangular plate is one typical structure with wild application in engineering, and the force vibration is the basis for analysis of sound radiation of plate.
Wang Peng +4 more
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Retrofitting of Danube vessels for a green and efficient fleet
Annals of "Dunărea de Jos" University of Galaţi: Fascicle XI Shipbuilding, 2019 The following paper presents a research study based on the idea of reducing the environmental impact of inland waterway vessels by resorting to state-of-the-art technologies for treating the exhaust gases.
Cristi-Marian Angheluță +2 more
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