Reactors are needed to produce polymeric polymers as materials for OLED (Organic Light Emitting Diode). There are many types of reactors that assist in producing chemical reactions. One type, called a coil type, is a continuous reactor that has many advantages compared to other reactors. It can not only manufacture products continuously, but is cheaper and therefore cost efficient. A continuous coil type reactor was designed and manufactured for this study. A precise flow rate cannot be determined because of the numerous variables. An experimental flow rate is obtained when combining the following information: the valve opening angle, the revolution velocity of the screw and the temperature of the reaction. As a result, the study is considered that people who use this device will refer to this to control flow rate and time for reaction.
In this paper, the topology optimization method was used to describe the lightweight design of link structures for an amphibious boat. Topology optimization was used to determine the optimum density distribution of the structure. The analysis revealed that the link structures for amphibious boat can be reduced up to 31 percent by weight without altering the design of the connected and supported parts. The structural integrity of the proposed lightweight link structures was evaluated via topology optimization and verified by finite element analysis and static test. The structural integrity of lightweight link structures was found to meet the design requirements. The running stability of amphibious boat with lightweight link structures was verified via ground and water driving tests.
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Optimal Design and Experimental Validation of the Rib Structure of a Manufacturing Machine Bed Using Topology Optimization Ji-Sang Hwang, Sung-Jae Kim, Jeong-Hyun Yoon, Chul-Hoon Sung Journal of the Korean Society of Manufacturing Technology Engineers.2023; 32(6): 374. CrossRef
Study on the Optimal Design of Column Rib Structure of Horizontal Machine Tool Using Topology Optimization Technique Ji-Sang Hwang, Sung-Jae Kim, Chul-Hoon Sung Journal of the Korean Society of Manufacturing Technology Engineers.2023; 32(1): 1. CrossRef
Optimization Design of Student KSAE BAJA Knuckle Using SLM 3D Printer Young Woo Im, Geon Taek Kim, Hyeon Sang Shin, Kang Min Kim, Bu Hyun Shin, Jong Won Lee, Jinsung Rho Journal of the Korean Society for Precision Engineering.2023; 40(9): 719. CrossRef
Designing the internal reinforcements of a sailing boat using a topology optimization approach Antonio Mancuso, Antonio Saporito, Davide Tumino Applied Ocean Research.2022; 129: 103384. CrossRef
A Study on Injection Mold Design Using Topology Optimization Mi-Jin Kim, Jae-Hyuk Choi, Gyeng-Yun Baek Journal of the Korean Society of Manufacturing Process Engineers.2022; 21(4): 100. CrossRef
Lightweight Design of a Vacuum Gripper for Inspection Equipment Using Topology Optimization Euddeum Cha, Tae-Young Kim, Taeho Ha, Keun Park Journal of the Korean Society for Precision Engineering.2021; 38(9): 683. CrossRef
Optimal Design for Strength Improvement of Support Bracket for Sanding Device of Railway Vehicle Using Topology Optimization Yonho Cho, Woohyuck Yoon Journal of the Korean Society for Precision Engineering.2020; 37(4): 263. CrossRef
Lightweight Design of a Sledge Frame for Para Ice Hockey Using Design for Additive Manufacturing Eun-Ji Oh, Ju-Hye Lee, Jae-Eun Kim, Keun Park Journal of the Korean Society for Precision Engineering.2020; 37(6): 407. CrossRef
The best method of measuring wood diameter is a contact-type device: however, obtaining an accurate result can be problematic under certain circumstances. In this study, we used a laser beam and a CCD camera that did not require contact with wood. The wood is illuminated by the laser beam, and the CCD camera captures this illumination. The measurement results were determined by processing of the captured image sequences. This paper explains the use of image processing and laser systems for measurement of wood under circumstances in which physical contact is impossible.
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