Zobrazeno 1 - 10
of 13
pro vyhledávání: '"Dagang Zhao"'
Publikováno v:
Zhongguo Jianchuan Yanjiu, Vol 19, Iss 5, Pp 1-16 (2024)
Underwater vehicles (UVs) not only play an important role in civilian fields, but have also been widely used in military fields and have broad application prospects. However, they are susceptible to the influence of the ocean current environment duri
Externí odkaz:
https://doaj.org/article/2ee3c9de3f314ecf94c6fde32e117fa5
Publikováno v:
Journal of Marine Science and Engineering, Vol 11, Iss 7, p 1300 (2023)
In recent years, the International Maritime Organization (IMO) has gradually introduced more stringent new Ship Energy Efficiency Design Index (EEDI) bills, and transport ships are more inclined to reduce the speed and increase the length and square
Externí odkaz:
https://doaj.org/article/af252abc186c49de9e27312f3f4ed55d
Publikováno v:
Journal of Marine Science and Engineering, Vol 11, Iss 6, p 1162 (2023)
The cylindrical flow around a cylinder is present in several engineering problems. Moreover, the flow pattern around a rotating cylinder is more complex than that around a cylinder. In this paper, a rotating cylinder at different speed ratios is inve
Externí odkaz:
https://doaj.org/article/8008c59081e647b7a4c754afef4b5b83
Publikováno v:
Journal of Marine Science and Engineering, Vol 10, Iss 7, p 953 (2022)
The acceleration characteristics of a water jet-propelled ship during startup are related to its performance under mooring conditions. Water jet propulsion cavitation during startup increases the vibration and noise of the whole ship. Therefore, accu
Externí odkaz:
https://doaj.org/article/d5d6c34d410e4c9abdafa8e7bf69ce19
Publikováno v:
Journal of Marine Science and Engineering, Vol 8, Iss 10, p 777 (2020)
In marine environments, ships are bound to be disturbed by several external factors, which can cause stochastic fluctuations and strong nonlinearity in the ship motion. Predicting ship motion is pivotal to ensuring ship safety and providing early war
Externí odkaz:
https://doaj.org/article/b141a04443d844b7a73d662bc1df15f6
Publikováno v:
Journal of Marine Science and Engineering, Vol 8, Iss 6, p 398 (2020)
As a new testing technology, large-scale ship model tests on the sea are advantageous in addressing the scale effect in ship models and in simulating ship navigation conditions. In this study, the uncertainty of a ship model propulsion test on the se
Externí odkaz:
https://doaj.org/article/a1312aad14064a83839fe20dd8d0eba0
Publikováno v:
PLoS ONE, Vol 14, Iss 8, p e0221453 (2019)
Experimental and numerical analyses performed on a scaled-down model of a 1900TEU container-ship are reported herein. Wind-tunnel and towing-tank experiments along with computational-fluid-dynamic simulations were performed to obtain (1) wind-load co
Externí odkaz:
https://doaj.org/article/42c382683d2548688ffd6b6da61fbe68
Publikováno v:
Journal of Marine Science and Engineering, Vol 7, Iss 5, p 162 (2019)
In this study, the self-propulsion performance of a ship model with double-L-type podded propulsors was predicted. Additionally, a conversion method for the performance of a full-scale ship was established based on the correction method published by
Externí odkaz:
https://doaj.org/article/462485c90a3c43f19c3b6c6095133291
Publikováno v:
Journal of Marine Science and Engineering, Vol 7, Iss 2, p 51 (2019)
In this study, the Reynolds-averaged Navier⁻Stokes (RANS) method and a model experimental test in a towing tank are used to investigate the unsteady hydrodynamic performance of L-type podded propulsion under different oblique flow angles and advanc
Externí odkaz:
https://doaj.org/article/098036d4b1ed470fa6197a687790873b
Publikováno v:
Journal of Marine Science and Engineering; Volume 11; Issue 6; Pages: 1162
The cylindrical flow around a cylinder is present in several engineering problems. Moreover, the flow pattern around a rotating cylinder is more complex than that around a cylinder. In this paper, a rotating cylinder at different speed ratios is inve