• Title/Summary/Keyword: Thermal Development

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Solar power and desalination plant for copper industry: improvised techniques

  • Sankar, D.;Deepa, N.;Rajagopal, S.;Karthik, K.M.
    • Advances in Energy Research
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    • v.3 no.1
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    • pp.59-70
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    • 2015
  • In India, continuous production of electricity and sweet/potable water from Solar power and desalination plant plays a major role in the industries. Particularly in Copper industry, Solar power adopts Solar field collector combined with thermal storage system and steam Boiler, Turbine & Generator (BTG) for electricity production and desalination plant adopts Reverse osmosis (RO) for sweet/potable water production which cannot be used for long hours of power generation and consistency of energy supply for industrial processes and power generation cannot be ensured. This paper presents an overview of enhanced technology for Solar power and Desalination plant for Copper industry making it continuous production of electricity and sweet/potable water. The conventional technology can be replaced with this proposed technique in the existing and upcoming industries.

Recent Developments Involving the Application of Infrared Thermal Imaging in Agriculture

  • Lee, Jun-Soo;Hong, Gwang-Wook;Shin, Kyeongho;Jung, Dongsoo;Kim, Joo-Hyung
    • Journal of Sensor Science and Technology
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    • v.27 no.5
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    • pp.280-293
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    • 2018
  • The conversion of an invisible thermal radiation pattern of an object into a visible image using infrared (IR) thermal technology is very useful to understand phenomena what we are interested in. Although IR thermal images were originally developed for military and space applications, they are currently employed to determine thermal properties and heat features in various applications, such as the non-destructive evaluation of industrial equipment, power plants, electricity, military or drive-assisted night vision, and medical applications to monitor heat generation or loss. Recently, IR imaging-based monitoring systems have been considered for application in agricultural, including crop care, plant-disease detection, bruise detection of fruits, and the evaluation of fruit maturity. This paper reviews recent progress in the development of IR thermal imaging techniques and suggests possible applications of thermal imaging techniques in agriculture.

A Study on Automatic Compensation of Thermal Deformation Error for High Speed Feeding System (고속이송계의 열변형오차 자동보정에 관한 연구)

  • Ko, Hai-Ju;Jung, Yoon-Gyo
    • Journal of the Korean Society of Manufacturing Process Engineers
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    • v.6 no.4
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    • pp.57-64
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    • 2007
  • In the recent years, development of machine tool with high speed feeding system have brought a rapid increase in productivity. Practically, thermal deformation problem due to high speed is, however, become a large obstacle to realize high precision machining. In this study, therefore, the construction of automatic error compensation system to control thermal deformation in high speed feeding system with real time is proposed. To attain this purpose, high speed feeding system with feeding speed 60mm/min is developed and experimental equation for relationship between thermal deformation and temperature of ball screw shaft using multiple regression analysis is established. Furthermore, in order to analyze thermal deformation error, compensation coefficient is determined and thermal deformation experiments is carried out. From obtained results, it is confirmed that automatic error compensation system constructed in this study is able to control thermal deformation error within $15{\sim}20{\mu}m$.

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Measurement of Thermal Diffusivity Using Deformation Gradient and Phase in the Photothermal Displacement Technique

  • Pilsoo Jeon;Lee, Kwangjai;Jaisuk Yoo;Park, Youngmoo;Lee, Jonghwa
    • Journal of Mechanical Science and Technology
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    • v.17 no.12
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    • pp.2078-2086
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    • 2003
  • As technology advances with development of new materials, it is important to measure the thermal diffusivity of material and to predict the heat transfer in the solid subject to thermal processes. The measurement of thermal properties can be done in a non-contact way using photothermal displacement spectroscopy. In this work, the thermal diffusivity was measured by analyzing the magnitude and phase of deformation gradient. We proposed a new data analysis method based on the real part of deformation gradient as the pump-probe offset value. As the result, compared with the literature value, the measured thermal diffusivities of materials showed about 3 % error.

Development and Verification of Thermal Analysis Model for Thermal Vacuum Test of Satellite Components (인공위성 탑재품 수준 열진공 시험에 대한 열해석 모델의 개발과 환경시험 결과를 이용한 검증)

  • Kim, Sang-Ho;Seo, Hyun-Suk;You, Jae-Ho;Han, Eun-Soo;Kim, Tai-Kyung;Kim, Hyeong-Dong;Huh, Hwan-Il
    • Journal of the Korean Society for Aeronautical & Space Sciences
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    • v.38 no.8
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    • pp.842-847
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    • 2010
  • Thermal analysis for the simulation of satellite component level thermal vacuum test processes was carried out by considering thermal vacuum test environment condition, thermal vacuum chamber configuration, and satellite's inner thermal environment. The transient analysis results can be obtained for the temperatures of component and thermal vacuum chamber assemblies. The thermal analysis model was verified with the component thermal environmental test results by using enhanced thermal vacuum chamber.

Design, Test and Evaluation on the PSD with Thermal Barrier Type for Subscale Dual Pulse Rocket Motor (격막형 PSD를 적용한 소형 추진기관 설계 및 시험평가)

  • Kim, Jinyong;Kwon, Taeha;Lee, Wonbok;Cho, Wonman;Lee, Bangeop;Yun, Namgyun;Rhee, Youngwoo
    • Journal of the Korean Society of Propulsion Engineers
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    • v.18 no.6
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    • pp.82-87
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    • 2014
  • Dual pulse rocket motor has a rocket motor with different pulse grains divided by a pulse separation device such as a fragile bulkhead or a thermal barrier type. It distributes thrust energy very effectively via pulse separation device to improve range and terminal velocity of a missile. This paper contains the thermal barrier design and experimental analysis through ground firing tests of small dual pulse motors. The results will be applied to the design, test and evaluation of the scale up dual pulse rocket motor.