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Design of 40 URT Heat Pump for ICT VAEMS
Sung Moon,Amarnath Varma Angani,Yogendra Rao Musunuri,Leenendra Chowdary Gunnam,Muhammad Akbar,Jin je park,Kyoo jae Shin 대한전자공학회 2016 대한전자공학회 학술대회 Vol.2016 No.6
In this paper, the vertical aquarium is designed for the new energy management system. This energy management system is new to the world this energy management system is called as vertical aquarium energy management system (VAEMS). In the future, this energy will be played vital role. In this process, many thermal plants are wasting the hot water and sending to the sea water. So that, the thermal power plant could be used in their process and after that will be wasted. This waste water can be used for the vertical aquarium. This project initiative to go forward through ICT (Information and communications technology). ICT is the dealing best projects like city development and encouraging the creative thinking plans and support to fund to many projects. In this, the 40 URT heat pump made with specially designed like tube typed evaporator, semi screw compressor, plated type condenser and expansion valve. The main concept of 40 URT is to reduce the maintenance and electricity cost. The experimental results of the heat pump has been satisfied for the design of the aquarium.
Antenna Selection and Ordering for EST-Based Modulation With Cyclic Delay Diversity
Sungmoon Jang,Taewon Hwang,Il-Suek Koh IEEE 2009 IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY Vol.58 No.9
<P>In this paper, antenna selection and ordering for energy-spreading transform (EST)-based modulation employing multiple transmit antennas for cyclic delay diversity (CDD) is considered. First, we analyze the signal-to-interference-plus-noise ratio (SINR) of the iterative receiver based on a soft decision that has been designed for EST-based modulation. Then, an antenna-selection and ordering criterion that maximizes the SINR of the soft-decision receiver is proposed.</P>
Sungmoon Kim,황진하 한국세라믹학회 2006 한국세라믹학회지 Vol.43 No.3
Impedance spectroscopy was applied to the initial hydration of calcium phosphate bone cements, in order to investigate the electrical/dielectric properties. Hydration or equivalently setting was monitored as a function of amount of water and initial powder characteristics. Higher amount of water produced more open microstructure, leading to higher conductivity and enhanced dielectric constant. Effects of initial characteristics in powder were investigated, using bone cement powder prepared with and without granulation. Granulated powder exhibited significant change in resistance and produced higher dielectric constant than those of conventional powder. Through a simplified modeling, theeffects of thickness in reaction products and pore sizes were estimated by the frequency-dependent impedance measurements. Furthermore, impedance spectroscopy was proven to be a highly reliable tool for evaluating the continuous change in pore structure occurring in calcium phosphate bone cements.