Kyushu University · Engineering
바디우트 바라나 사하 교수의 연구실은 열변환 및 냉각 기술 분야에서 활발한 연구를 수행하고 있습니다. 주로 폐열을 활용하는 고체 흡착식 냉동 사이클과 광물질-기체 흡착 이소스터프 특성 분석을 중심으로, 환경 친화적인 에너지 기술 개발에 기여하고 있습니다. 특히 초임계 CO₂ 흡착 거동과 다양한 활성화탄소의 흡착 특성에 대한 정밀 측정 및 모델링 연구가 두드러집니다.
Figures are computed from collected data and may differ slightly.
Adsorption heat transformation (AHT) systems can play a major role in protecting our environment by decreasing the usage of fossil fuels and utilizing natural and alternative working fluids. The adsorption isotherm is the most important feature in characterizing an AHT system. There are eight types of International Union of Pure and Applied Chemistry (IUPAC) classified adsorption isotherms for different “adsorbent-adsorbate” pairs with numerous empirical or semi-empirical mathematical models to
This work deals with the use of adsorption refrigerant cycles driven by waste heat of near ambient temperature. A parametric study was conducted by computer simulation to determine the effects of operating conditions on cooling output and coefficient of performance (COP). A simulation program verified the influence of operating temperatures (hot and cooling water), water flow rates, and adsorption-desorption cycle times. The most influential parameter is the operating temperatures, followed by w
This paper presents adsorption isotherm data of CO2 onto two different types of highly porous activated carbons (ACs) for temperatures ranging from (−18 to 80) °C and pressures up to 10 MPa. The assorted adsorbents are activated carbon fiber (ACF) of type A-20 and activated carbon powder of type Maxsorb III. Adsorption isotherm data have been obtained using a volumetric technique and fitted to the Dubinin−Astakhov (D−A), Tóth, Langmuir, and modified D−A equations. The latter considers the pseudo
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