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...
Integral Action Finite Set Model Predictive Current Control for Brushless DC Motor - Trang 271-285 - 2022
Thai, Lam Cuong Quoc, Duong, Van Tu, Nguyen, Huy Hung, Nguyen, Tan Tien
This paper presents an integral action finite set model predictive control (I-FCS-MPC) to apply BLDC motor control. One of the advantages of this method is it allows the current timeslot to be optimized about energy (current or voltage), which will be expressed...
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...
Combustion Characteristics of DA465QE Engine Fueled with HHO Enriched Biogas - Trang 253-261 - 2023
Vo, Anh Vu, Bui, Thi Minh Tu, Huynh, Tan Tien, Tan, Thong Ngo
This paper presents the results of a numerical simulation of the performance of the DA465QE engine and the impact of adding HHO to biogas on its efficiency and pollutant emissions. The results showed that at a given operating condition, an increase in HHO and CH4...
Research on the Vibration of Passenger Car Using Magnetorheological Fluid Damper - Trang 377-383 - 2023
Ngoc, Nguyen Anh, Quan, Le Hong, Quan, Vu Hai, Tien, Nguyen Minh, Anh, Nguyen Ngoc
Vehicle vibration is a problem that is currently in need of research attention to improve the quality of automobile exploitation. The suspension system directly affects vibration as well as safety and performance. It helps control and suppresses the vibration of the...