Zobrazeno 1 - 10
of 39
pro vyhledávání: '"Ju-hyeong Lee"'
Autor:
Hwi-Rang Ban, Kyeong-Tae Yu, Ju-Hyeong Lee, Jang-Young Choi, Kyong-Hwan Kim, Han-Wook Cho, Kyung-Hun Shin
Publikováno v:
AIP Advances, Vol 14, Iss 3, Pp 035131-035131-7 (2024)
This paper presents an analytical method for analyzing the electromagnetic performance of a superconducting (SC) machine according to the 10 MW shielding configuration and the presence or absence of an armature core. To establish the SC machine desig
Externí odkaz:
https://doaj.org/article/1d1acaf6aea04d08b80e9a57d7b16685
Autor:
Kyeong-Tae Yu, Hwi-Rang Ban, Ju-Hyeong Lee, Jang-Young Choi, Soyoung Sung, Jung-Hyung Park, Kyung-Hun Shin
Publikováno v:
AIP Advances, Vol 14, Iss 3, Pp 035042-035042-6 (2024)
This study proposed an improved analytical method for electromagnetic field analysis of a wound rotor synchronous machine (WRSM) considering the permeability of soft magnetic materials. A simplified analytical model considering the magnetic permeabil
Externí odkaz:
https://doaj.org/article/86ef27e6340d4adf931551b3143c1a61
Analytical and experimental study of electromagnetic loss and temperature rise in induction machines
Autor:
Hwi-Rang Ban, Kyeong-Tae Yu, Ju-Hyeong Lee, Jang-Young Choi, Soyoung Sung, Jung-Hyung Park, Han-Wook Cho, Kyung-Hun Shin
Publikováno v:
AIP Advances, Vol 14, Iss 3, Pp 035101-035101-6 (2024)
This paper focuses on electromagnetic and loss analyses of an induction machine using the subdomain method. The proposed method derives an analytical solution for each subdomain using electromagnetic theory. On the basis of the derived analytical sol
Externí odkaz:
https://doaj.org/article/8f3288c6a88d46a883330dac9911d9a2
Autor:
Kyeong-Tae Yu, Hwi-Rang Ban, Ju-Hyeong Lee, Jang-Young Choi, Soyoung Sung, Jung-Hyung Park, Kyung-Hun Shin
Publikováno v:
AIP Advances, Vol 14, Iss 1, Pp 015134-015134-6 (2024)
This paper presents an analysis of the operating principle of magnetic geared permanent magnet machines (MGPMMs), electromagnetic analysis results according to the winding pattern, and a method for improving power factor and loss characteristics. To
Externí odkaz:
https://doaj.org/article/47c5b994d55645b196b0ba5ac2439379
Autor:
Jae-Ho Choi, Ju-Hyeong Lee, A.-Hyun Jo, Young Jae Choi, Cheol Young Choi, Ju-Chan Kang, Jun-Hwan Kim
Publikováno v:
Ecotoxicology and Environmental Safety, Vol 265, Iss , Pp 115469- (2023)
This study aimed to determine the toxicity standard and potential risks and effects of polyamide (PA) exposure on neurotoxicity, stress indicators, and immune responses in juvenile crucian carp Carassius carassius. Numerous microplastics (MPs) exists
Externí odkaz:
https://doaj.org/article/f5ea73609e61477e92c804b8958bf126
Autor:
Young-Bin Yu, Jae-Ho Choi, Ju-Hyeong Lee, A-Hyun Jo, Sung Won Han, Song-Hun Han, Hee Jae Choi, Cheol Young Choi, Ju-Chan Kang, EunYoung Min, Jun-Hwan Kim
Publikováno v:
Fishes, Vol 8, Iss 11, p 543 (2023)
Some aspects of traditional aquaculture have negative impacts on the aquatic environment, leading to pollution and disease outbreaks in farmed organisms. Biofloc technology (BFT) is a closed aquaculture system that utilizes specific microbial communi
Externí odkaz:
https://doaj.org/article/b573ae946c634e75aa9d59208e3eb08d
Publikováno v:
Fisheries and Aquatic Sciences, Vol 24, Iss 2, Pp 89-98 (2021)
The accumulation of ammonia, a consequence of intensive aquaculture activity, can damage cultured animals. We analyzed the survival rates, growth, antioxidant responses, and immune responses of abalones, Haliotis discus hannai (mean shell length 7
Externí odkaz:
https://doaj.org/article/1a9b425f04c047a690c0af5eebc2ac6d
Publikováno v:
Antioxidants, Vol 12, Iss 2, p 398 (2023)
The application of biofloc to fish species has several advantages, including the enhancement of production by increasing growth performance and survival rate and the improvement of fish aquaculture physiological activity. There has been a recent incr
Externí odkaz:
https://doaj.org/article/bd79cd3a3a7e48de8cdf622598c0c6d3
Publikováno v:
Energies, Vol 15, Iss 23, p 9213 (2022)
This paper presents a characteristic analysis and experimental verification for predicting the electromagnetic losses in high-speed permanent magnet synchronous motors. To predict the operating characteristics (such as speed and input current), dynam
Externí odkaz:
https://doaj.org/article/c7ae90e0cede408b8e341967122190d8
Autor:
Namkyu Lee, Ju Hyeong Lee, Ji Eun Won, Youn Ji Lee, Sun Hee Hyun, Yeong-Deuk Yi, Gyo In, Hee Dong Han, YoungJoo Lee
Publikováno v:
Journal of Ginseng Research. 47:385-389