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Marangoni effect on wave structure in liquid films
Springer Science and Business Media LLC - Tập 19 - Trang 18-22 - 2007
E. A. Chinnov, O. A. Kabov
Liquid films are encountered in space systems as well as in numerous industrial processes and everyday life. The present work is a part of the preparation of the SAFIR experiment of the European Space Agency onboard the International Space Station. Wave characteristics of the water film flow over a vertical or an inclined plate with a heater have been studied. The fluorescence method was used to m...... hiện toàn bộ
Design and test of an electronic nose for monitoring the air quality in the international space station
Springer Science and Business Media LLC - Tập 19 - Trang 60-64 - 2007
E. Martinelli, E. Zampetti, S. Pantalei, F. Lo Castro, M. Santonico, G. Pennazza, R. Paolesse, C. Di Natale, A. D’Amico, F. Giannini, G. Mascetti, V. Cotronei
Long-term manned space missions requires a continuous monitoring of the air quality inside the spacecraft. For this scope, among several different solutions, electronic noses have been considered. On behalf of European Space Agency an electronic nose specifically designed for air quality control in closed environment is under development. After several ground experiments concerning the monitoring ...... hiện toàn bộ
The effects of gravity on the features of the interfacial waves in annular two-phase flow
Springer Science and Business Media LLC - Tập 15 - Trang 19-27 - 2004
Zhao Lin Wang, Kamiel S. Gabriel, Zhen Feng Zhu
A physical model of interfacial waves in annular two-phase flow was studied in both microgravity and normal gravity. The wave structure was obtained for local film thickness and velocity measurements using a conductance probe technique. It was found that the wave height, and not its width, is strongly affected by changing the gravity level. In fact, the wave height in normal gravity is more than t...... hiện toàn bộ
Capillary driven flow along interior corners formed by planar walls of varying wettability
Springer Science and Business Media LLC - Tập 17 - Trang 45-55 - 2005
M. M. Weislogel, C. L. Nardin
Closed-form analytic solutions useful for the design of capillary flows in a variety of containers possessing interior corners were recently collected and reviewed. Low-g drop tower and aircraft experiments performed at NASA to date show excellent agreement between theory and experiment for perfectly wetting fluids. The analytical expressions are general in terms of contact angle, but do not accou...... hiện toàn bộ
Vortex Flows in the Liquid Layer and Droplets on a Vibrating Flexible Plate
Springer Science and Business Media LLC - Tập 30 - Trang 85-93 - 2017
Vladimir Aleksandrov, Sergey Kopysov, Leonid Tonkov
In certain conditions, in the layers and droplets of a liquid on a vibrating rectangular flexible plate, vortex flows are formed simultaneously with the excitation of capillary oscillations on the free surface of the liquid layers and droplets. Capillary oscillations in the form of two-dimensional standing waves form Faraday ripples on the free surface of the liquid layer. On the surface of the vi...... hiện toàn bộ
Hoạt Động Chống Oxy Hóa Tăng Cường Trong Cây Mầm Đậu Xanh Trồng Dưới Tình Trạng Xoay Chậm Dịch bởi AI
Springer Science and Business Media LLC - Tập 31 - Trang 395-401 - 2019
Shusaku Nakajima, Yuichi Ogawa, Tetsuhito Suzuki, Naoshi Kondo
Các nghiên cứu ban đầu về sự phát triển trong không gian đã chứng minh rằng môi trường vi trọng lực có tiềm năng làm tăng hoạt động chống oxy hóa trong trái cây và rau quả. Để kiểm tra xem một clinostat quay chậm ở đây trên Trái Đất có thể sản xuất thực phẩm chức năng với hoạt động chống oxy hóa và các hợp chất liên quan, bao gồm carotenoid, phenolic và axit ascorbic hay không, chúng tôi đã trồng ...... hiện toàn bộ
#hoạt động chống oxy hóa #vi trọng lực #cây mầm đậu xanh #clinostat #carotenoid #phenolic #axit ascorbic
Thermocapillary Liquid Bridges and Marangoni Convection under Microgravity—Results and Lessons Learned
Springer Science and Business Media LLC - Tập 26 - Trang 1-10 - 2014
Dietrich Schwabe
We describe the first measurements of the critical Marangoni number of thermocapillary flow in liquid bridges under microgravity. The experiments were conducted during the ballistic flight of rockets with small liquid bridges established by melting the equivalent cylindrical rod of solid sodium nitrate under microgravity. Fine thermocouples in the melt indicated the onset of flow oscillations by t...... hiện toàn bộ
Magnetic Gravity Compensation
Springer Science and Business Media LLC - Tập 23 - Trang 113-122 - 2010
V. S. Nikolayev, D. Chatain, D. Beysens, G. Pichavant
Magnetic gravity compensation in fluids is increasingly popular as a means to achieve low-gravity for physical and life sciences studies. We explain the basics of the magnetic gravity compensation and analyze its advantages and drawbacks. The main drawback is the spatial heterogeneity of the residual gravity field. We discuss its causes. Some new results concerning the heterogeneity estimation and...... hiện toàn bộ
Thermocapillary effects on low-g Pool Boiling from microheater arrays of various aspect ratio
Springer Science and Business Media LLC - Tập 16 - Trang 170-175 - 2005
Christopher D. Henry, Jungho Kim
Pool boiling heat transfer measurements from heaters of varying aspect ratio were obtained in low-g (0.01 g ± 0.025 g) and high-g (1.7 g ± 0.5 g) using the KC-135 aircraft. The heater aspect ratio was varied by selectively powering 2×2, 2×4, 2×6, 2×8, and 2×10 arrays of heaters in a 10×10 heater array containing individual heaters 700×700 μm2 in size. Control circuitry was used to maintain a nomin...... hiện toàn bộ
Numerical Analysis of Microbubble Rising in an Oil–water Liquid Layer under Gravity Based on Three-phase Field Method
Springer Science and Business Media LLC -
Kailiang Zhang, Yuhan Wei, Di Yu, Jiuqing Liu, Jingliang Lv
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