Zobrazeno 1 - 10
of 37
pro vyhledávání: '"Hyun Joo Han"'
Publikováno v:
Energies, Vol 15, Iss 8, p 2817 (2022)
Thermomagnetic heat engines were designed, constructed, and tested, where numbers of gadolinium (Gd) blocks were used to exploit low temperature waste heat. Gadolinium is a rare earth material whose magnetic property changes with temperature, alterin
Externí odkaz:
https://doaj.org/article/5b6c1741bb1741a39e9d1440834ad070
Autor:
Hyun-Joo Han, Muhammad Uzair Mehmood, Jin-Chul Park, Joo-Won Lee, Sang-Hoon Lim, Seung-Jin Oh
Publikováno v:
Energies, Vol 15, Iss 22, p 8356 (2022)
The present research aims at promoting the stability and applicability of a hybrid daylighting system combining daylight and artificial light, which eventually enables a constant and pleasant luminous flux of the mixed light delivered by a terminal d
Externí odkaz:
https://doaj.org/article/fa7abfc93732430c93bb8384c5327abc
Publikováno v:
KIEAE Journal. 21:25-32
Autor:
Hyun Joo Han, Seung Jin Oh, Yeongmin Kim, Rahate Ahmed, Muhammad Uzair Mehmood, Gyu-Yeob Jeon, Sang Hoon Lim
Publikováno v:
Solar Energy. 224:175-183
This paper deals with a computer vision and photosensor based two-axis solar tracking system for an active daylighting system. The real-time image processing was performed by using a Raspberry Pi 4 controller, and processed data were used as an input
Publikováno v:
Energy and Buildings. 156:173-186
This paper examines the effectiveness of coelostat daylighting systems for enhancing the indoor visual environment of open-plan offices. A coelostat consists of a movable mirror capable of tracking the sun and a fixed second mirror, which, acting tog
Publikováno v:
Toxicological Research
Lamivudine belongs to the set of antiviral agents effective against hepatitis B virus infection. Given case reports on liver injuries after certain antiviral agent treatments, this study examined the effects of lamivudine on alanine aminotransferase
Publikováno v:
Energy. 137:449-456
This study introduces the experimental work done to analyze the performance of active daylighting systems, which consist of small individually operated solar concentrators. Each system is capable of precise solar tracking thanks to the double axis so
Publikováno v:
Journal of the Korean Solar Energy Society. 37:1-12
This paper deals with the effectiveness of a fiber optic solar lighting system that uses a Fresnel lens mounted on a two-axis solar tracker. A series of comparative analyses were made concerning its performance as compared to fluorescent lighting by
Autor:
Su Young Kim, Soo-Young Kim, Seunghee Bae, Hyun Joo Han, Ok-Kyu Lee, Jung-Min Ko, In-Sook An, Kyu Joong Ahn, Shunhua Li, Soo-Yeon Kim, Ji Hye Son, Sungkwan An, Hwa Jun Cha
Publikováno v:
Molecular & Cellular Toxicology. 11:19-28
p-Phenylenediamine (PPD), a black dye used in hair coloring and tattoos, irritates the skin, leading to cell cycle arrest, apoptosis, and reactive oxygen species (ROS) generation. MicroRNAs (miRNAs) are well known regulators of these side effects. Th
Autor:
Ahmed, Rahate, Yeongmin Kim, Zeeshan, Mehmood, Muhammad Uzair, Hyun Joo Han, Wongee Chun, Sang Hoon Lim
Publikováno v:
Journal of Solar Energy Engineering; Apr2021, Vol. 143 Issue 2, p1-10, 10p