Kim Chung Jin, Kim Kuk Chola & Kim Yong Mina DOI: 10.5281/zenodo.17486785 GAS Journal of Engineering and Technology (GASJET) The effects of roasting temperature and excess-air coefficient on dearsenization rate and gold extraction rate was investigated in two-stage roasting process Read More …
Category: GAS Journal of Engineering and Technology (GASJET)
Voltage Unbalance and Harmonic Compensation through Distributed Generation with Virtual Impedance Control in Islanded Microgrid
Wisong Jong, Chol Min Hong Sunghyok Kim*, Songchol Hyon and Nam Hyok Ra DOI: 10.5281/zenodo.17422325 GAS Journal of Engineering and Technology (GASJET) The power sharing and voltage quality are more challenging in islanded microgrids with the unbalance or nonlinear loads. Read More …
Multi-Fault Diagnosis of Rotational Machinery based on AIS and BSS
Sung-Ri Kim, Kwang-Myong Ko, Hyon-Chol Choe DOI: 10.5281/zenodo.17422240 GAS Journal of Engineering and Technology (GASJET) The multi-fault diagnosis of rotational machinery is one of the most difficult problems in machine fault diagnosis. When various kinds of faults co-exist, different fault Read More …
Comparison of Theoretical Analysis and Simulation Results: Determination of Structural Parameters and Displacement Characteristics of Diaphragms in Capacitance Diaphragm Vacuum System
ChangGi Kang, KumHyang Ho, NamChol Yu DOI: 10.5281/zenodo.17422122 GAS Journal of Engineering and Technology (GASJET) In this study, computational fluid dynamic method is used to predict and evaluate the flow field and collection performance inside square cyclone separators. Two cyclones Read More …
A Method to Determine Design Parameters of the Float in a Rotameter that Satisfies the Measurement Range in a Fixed Cone
Chol-Hwan O, Wi-Song Myong & Kum-Song Ri DOI: 10.5281/zenodo.17418188 GAS Journal of Engineering and Technology (GASJET) The rotameter has a relatively low measurement accuracy compared to other flowmeters due to the nonlinearity between the flow rate and the floater position, Read More …
A 3D Localization Method of Multiple Acoustic Sources Using Microphone Array
KwangMyong Kim & NamChol Yu DOI: 10.5281/zenodo.17418052 GAS Journal of Engineering and Technology (GASJET) Localization technology of acoustic source is widely used in detection and wireless communications. In some references, many researchers have addressed the methods of 1D and 2D Read More …
The Effect of Vertex Finder and Dust Outlet on Collection Performance in Square Cyclones Separators with Downward Gas Exit
Ryom Junho, Jin Songchol & Jon Choljin DOI: 10.5281/zenodo.17403762 GAS Journal of Engineering and Technology (GASJET) In this study, computational fluid dynamic method is used to predict and evaluate the flow field and collection performance inside square cyclone separators. Two Read More …
Energy Saving Characteristics of Hybrid Displacement Ventilation System with Vertical Supply Duct
Myong Chol Paek & Chol Jin Jon* DOI: 10.5281/zenodo.17312085 GAS Journal of Engineering and Technology (GASJET) The study on saving energy is being conducted widely in the ventilation system of industrial building with high-ceiling. The mixing ventilation system (MVS) is Read More …
New structure of side-collimating lens for LED with high collimating performance based on geometrical optics
JiSong Ho & NamChol Yu* DOI: 10.5281/zenodo.17311751 GAS Journal of Engineering and Technology (GASJET) In order to improve collimating performance, we proposed a new structure of side-collimating lens. The lens surfaces are evaluated based on purely geometric optics. We used Read More …
Novel Structure and Characterization of Convex Touch Mode Capacitive Pressure Sensor (TMCPS) with Near Zero Touch Point Pressure (TPP)
Chang-Sik Rim, Sol-Mi Ju, Myong-Chol Kang, Nam-Chol Yu DOI: 10.5281/zenodo.17311597 GAS Journal of Engineering and Technology (GASJET) In this paper, we present the structure and characteristics of a touch mode capacitive pressure sensor with a spherical substrate electrode with a Read More …
