A critical review of different works on marine propellers over the last three decades

P Majumder, S Maity - Ships and Offshore Structures, 2023 - Taylor & Francis
Propeller is the main energy-producing device for any marine vehicle. To make waterway
communication economical, efficient and environment friendly, improvement of ship …

[HTML][HTML] Representation of a monotone curve by a contour with regular change in curvature

Y Havrylenko, Y Kholodniak, S Halko, O Vershkov… - Entropy, 2021 - mdpi.com
The problem of modelling a smooth contour with a regular change in curvature representing
a monotone curve with specified accuracy is solved in this article. The contour was formed …

Experimental optimization and investigation of compressor cooling fan in an air-to-water heat pump

F Afshari, B Sahin, A Khanlari - Heat Transfer Research, 2020 - dl.begellhouse.com
Heat pumps are seen as a highly efficient promising technology for space heating and
cooling. Their efficiency has been widely studied for different types of heat pumps operating …

[PDF][PDF] Designing the working surfaces of rotary planetary mechanisms

IF Alrefo, O Matsulevych, O Vershkov, S Halko… - Natsional'nyi Hirnychyi …, 2023 - nvngu.in.ua
Purpose. To design a method for smoothing the working surfaces of stator and rotor with the
use of computer simulation to eliminate the impact of the rotor on the stator when they …

[HTML][HTML] An integrated fitting and fairing approach for object reconstruction using smooth NURBS curves and surfaces

A Hashemian, SF Hosseini - Computers & Mathematics with Applications, 2018 - Elsevier
This paper presents a new approach for object reconstruction by means of smooth NURBS
curves and surfaces. Compared to the common object reconstruction algorithms that first, fit …

[HTML][HTML] Parametric design and optimization of the profile of autonomous underwater helicopter based on NURBS

X An, Y Chen, H Huang - Journal of Marine Science and Engineering, 2021 - mdpi.com
Autonomous Underwater Helicopter (AUH) is a disk-shaped Autonomous Underwater
Vehicle (AUV), and it has comparative advantage of near-bottom hovering and whole …

Parametric models for marine propellers

A Arapakopoulos, R Polichshuk, Z Segizbayev… - Ocean …, 2019 - Elsevier
In this work we are focusing on the presentation and comparison of two parametric models
used in the generation of marine-propeller geometrical model instances. Their main function …

Shape optimization of autonomous underwater helicopters based on different parameter curves and various optimization algorithms

Z Wang, C Yang, Q Wen, L Chen, R Feng, Y Chen… - Ocean …, 2024 - Elsevier
This study aimed to compare the non-uniform rational B-spline (NURBS) and Bezier curves
to design the shape of an autonomous underwater helicopter (AUH). Currently, there is no …

[HTML][HTML] Effects of parameterization and knot placement techniques on primal and mixed isogeometric collocation formulations of spatial shear-deformable beams with …

E Marino, SF Hosseini, A Hashemian, A Reali - Computers & Mathematics …, 2020 - Elsevier
We present a displacement-based and a mixed isogeometric collocation (IGA-C) formulation
for free-form, three-dimensional, shear-deformable beams with high and rapidly-varying …

An improved parametric model for marine propeller: iPM4MP

L Zheng, S Chen, S Ji, Z Chen - Ocean Engineering, 2023 - Elsevier
This paper proposes an improved parametric model called iPM4MP to construct the CAD
model of the marine propeller. iPM4MP is established through the marine structure feature …