On the Impact Test Methodology for the Quick Estimation of Natural Frequency of the Mechanical Systems - Trang 191-201 - 2021
Dang, Phuoc Vinh, Vo, Nhu Thanh, Le, Hoai Nam, Pham, Anh Duc, Ngo, Thanh Nghi, Doan, Le Anh
The identification of natural frequency of machinery is a very important phase during the design, fabrication and testing process of any mechanical systems. This paper represents the experimental methodology for quick determining of natural frequency of a system by...
Full-Scale Self-propulsion Computations Using Body Force Propeller Method for Series Cargo Ship 12500DWT - Trang 851-859 - 2021
Chuan, Tran Quoc, Phuong, Nguyen Kim, Ha, Nguyen Thi Hai, Ngoc, Vu Minh, Tu, Tran Ngoc
The paper presents a results of study the full-scale self-propulsion characteristic for series cargo ship 12500DWT built in Vietnam based on the unsteady RANSE method with Body Force Propeller method. Two case studies were analyzed: propeller open-water, and...
Design and Durability Test of the Main Assemblies of Active Anti-roll bar - Trang 385-394 - 2023
Ngoc, Nguyen Anh, Hoa, Tran Phuc, Quan, Vu Hai, Tien, Nguyen Minh, Bang, Kieu Huu
The anti-roll bar has the effect of increasing the stable motion of the vehicle. It has the role of receiving, transmitting force and torque between the wheel and the chassis, reducing the vibration frequency of the car, ensuring the smoothness and stick on the road...
Optimization of Predicting Spring-Back When V-Bending for SS400 Steel Plate - Trang 118-125 - 2021
Hai, Vuong Gia, Minh, Nguyen Thi Hong, Van Quy, Hoang, Toan, Nguyen Duc
In this paper, the Taguchi method and regression analysis used to evaluate the influence of technological parameters: punch radius, temperature and punch stroke to the spring-back angle after V-bending for SS400 steel plate output. The experiments were designing with...
Impact Resistance of Cement Material Partial Replaced by Silica Fume Under the Charpy Test - Trang 195-206 - 2023
Nguyen, Thac-Quang, Nguyen, Duy-Liem, Nguyen, Tri N. M., Bui, Tien Thanh
This paper presents the results of an experimental work on impact resistance and compressive strength of ordinary Portland cement replaced by different proportions of silica fume. The main objective of this study is to determine the optimum proportion of silica fume...