Results 21 to 30 of about 54,679 (282)

Study on the Penetration Characteristics of Water Entry Rod Projectile into Liquid Cabin at an Attack Angle

open access: yesApplied Sciences, 2022
The penetration of a projectile into a warship broadside liquid cabin is usually a non-ideal penetration process. To explore the protective effects of the broadside liquid cabin of a large warship against the non-ideal penetration of rod projectiles and ...
Ke Wang   +3 more
doaj   +1 more source

Passengers and Crew's Evacuation from Passenger Ships Under Fire: An Agent-Based Model Simulation Study

open access: yesKapal, 2023
The characteristics of the passengers have a significant impact on how the evacuation procedures are carried out. During an evacuation, the amount of time it takes depends on how quickly passengers move.
Ahmad Firdhaus   +3 more
doaj   +1 more source

Comparative study on the resistance performance of an icebreaking cargo vessel according to the variation of waterline angles in pack ice conditions

open access: yesInternational Journal of Naval Architecture and Ocean Engineering, 2014
The resistance performance of an icebreaking cargo vessel according to the variation of waterline angles is investigated numerically and experimentally. A recently developed Finite Element (FE) model is used in our analysis.
Kim Moon-Chan   +2 more
doaj   +1 more source

Life Prediction Method of Remanufactured Machinery Equipment Based on Vibration Signal Feature Extraction

open access: yesAdvances in Mathematical Physics, 2021
Mechanical equipment is a key component of mechanical equipment, and its working condition is directly related to the overall performance of mechanical equipment.
Bin Li   +3 more
doaj   +1 more source

The Science of Naval Architecture [PDF]

open access: yesScientific American, 1917
n ...
openaire   +2 more sources

Study on Anti-Penetration Performance of Semi-Cylindrical Ceramic Composite Armor against 12.7 mm API Projectile

open access: yesCrystals, 2022
To explore the anti-penetration performance of the specially shaped ceramic/metal composite armor, such an armor is designed and fabricated using a semi-cylindrical projectile resistant ceramic and metal back plate, and its anti-penetration performance ...
Anbang Jiang   +3 more
doaj   +1 more source

Bento Box—Modular/Recoverable Stratospheric Balloon Capabilities to Support Distributed Maritime Operations [PDF]

open access: yes, 2022
NPS NRP Project PosterChief of Naval Operations, ADM Gilday, and Commandant of the Marine Corps, Gen Berger, directed modernization efforts across the Naval Services.
Phelps, Ronald L.   +2 more
core   +2 more sources

M&RA Manpower Models Modernization [PDF]

open access: yes, 2022
NPS NRP Project PosterIn his planning guidance, the Commandant states "We will... accelerate our transformation from disconnected legacy systems to an integrated data architecture that treats data as it should be - a critical resource." This project is a
Seagren, Chad W.   +2 more
core   +2 more sources

Measure Method of Submarine Pressure Hull Radial Initial Deflection Influenced By Different Selection of Common Point

open access: yesMATEC Web of Conferences, 2015
While using Electronic Total Station to measure the deflection of the pressure hull, the measurement error was influenced by different selection of common points.
Peng Fei   +3 more
doaj   +1 more source

Simulation analysis of effects of single fragment size on air-blast wave and fragment propagation

open access: yesZhongguo Jianchuan Yanjiu, 2017
[Objectives] This paper involves the propagation and attenuation of the velocity and energy of air-blast waves and high-velocity fragments while taking their combined effects into account.[Methods] With ANSYS/LS-DYNA software, a simulation model of a ...
ZHENG Hongwei   +4 more
doaj   +1 more source

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