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Article
Chemistry, Multidisciplinary
Yu Zhu et al.
Summary: Featured in this study is a mechanism for conveying fabrics in automatic sewing and cutting equipment for home textiles, which has not been proposed before. The device offers environmental protection and energy saving benefits, while ensuring smooth fabric conveyance, thereby reducing production costs. By establishing a mathematical model, the research demonstrates the smooth and balanced conveyance of different fabrics.
APPLIED SCIENCES-BASEL
(2023)
Article
Chemistry, Multidisciplinary
Edward Lisowski et al.
Summary: Flow control valves are designed to maintain a constant flow rate irrespective of pressure changes, but the standard two-way design causes energy losses due to maintaining high pressure in the supply line. A proposed three-way valve allows obtaining the required flow rate at a slightly higher supply pressure than the loading pressure. This study involves building mathematical and simulation models, conducting numerical simulations in Ansys/Fluent and Matlab/Simulink, and validating the results through initial test bench experiments on a valve prototype. The main contribution of this study is proposing a new valve solution and estimating its operational characteristics.
APPLIED SCIENCES-BASEL
(2023)
Article
Chemistry, Multidisciplinary
Tadas Vengalis et al.
Summary: This study compares the performance of single- and two-layer air curtains in an open type multi-deck refrigerated display cabinet using a simplified two-dimensional time-dependent computational fluid dynamic (CFD) model. The results show that two layers of air curtain provide a more effective invisible barrier, reducing electrical energy consumption and maintaining a uniform temperature distribution within the cabinet. The validation of the CFD model using experimental data confirms the advantage of a two-layer air curtain over a single air curtain. Electrical energy consumption decreased by 18.5% and the average temperature of the test products decreased from 5.75 degrees C to 5.17 degrees C. These findings are important for cabinet design to improve product storage quality and reduce energy consumption.
APPLIED SCIENCES-BASEL
(2023)
Article
Chemistry, Multidisciplinary
Junyu Sun et al.
Summary: This study investigates the flow behavior of Newtonian fluid between rotating disk systems using numerical methods, and validates the results through CFX simulations and experiments. The findings show that pressure perturbations caused by texture boundaries and low pressure at the vortex center induce cavitation, which can improve lubrication performance. The cavitation region extends as the texture rate increases. This research provides guidance for the design of surface structures.
APPLIED SCIENCES-BASEL
(2022)
Article
Chemistry, Multidisciplinary
Mariusz Domagala et al.
Summary: This study focuses on the closed floating cage technology in aquaculture and compares experimental and simulation results, showing good agreement.
APPLIED SCIENCES-BASEL
(2022)
Article
Chemistry, Multidisciplinary
Grzegorz Filo et al.
Summary: This article presents a proposal and numerical analysis of a hydraulic system in the example of a rail grinder, where a constant capacity pump supplies multiple hydraulic motors. The proposed approach involves splitting the working fluid using 2-way flow control valves. The pressure and velocity distributions of the flow control valve were obtained through preliminary CFD studies, and a mathematical model and simulation model were developed to test the system's performance and energy efficiency.
APPLIED SCIENCES-BASEL
(2022)
Article
Chemistry, Multidisciplinary
Filip Lisowski et al.
Summary: This study aimed to determine the aerodynamic drag coefficients for longitudinal finned tubes with different numbers of fins under various wind directions. Results indicated varying tube loads based on the number of fins and wind direction, which can be useful for the design of ambient air vaporizers.
APPLIED SCIENCES-BASEL
(2022)
