Test Channels for Flow Characterization of Processed Plastic Microchannels

1999 ◽  
Vol 605 ◽  
Author(s):  
Yandong Chen ◽  
Zhongping Chen ◽  
Yonghua Zhao ◽  
J. Stuart Nelson ◽  
Mark Bachman ◽  
...  

AbstractCharacterization of the flow properties in microfluidic channels is important for designing and building biomedical microdevices, many of which depend on precise fluid flow for their operation. Similarly, in complex fluidic systems, it is important to identify flaws in processing which will potentially restrict, or short circuit the flow of the device. We explore the characterization of flow in plastic microfluidic systems through various test devices..

1987 ◽  
Vol 10 (3) ◽  
pp. 153-172 ◽  
Author(s):  
Douglas E. Hirt ◽  
Kurt L. Adams ◽  
Robert K. Prud'homme ◽  
Ludwig Rebenfeld

1997 ◽  
Vol 3 (2) ◽  
pp. 103-111 ◽  
Author(s):  
S. Guerrero ◽  
S.M. Alzamora ◽  
L.N. Gerschenson

Flow characterization of a banana purée preserved by combined factors (slight reduction of water activity, reduction of pH, addition of preservatives and slight thermal treatment) was obtained at 5 and 25 °C. Fresh banana purée was used as a control. Preserved banana purée had thixotropic and pseudoplastic characteristics, exhibiting a defined yield stress and obeying the Weltmann and Herschel-Bulkley models. Additionally, the Michaels and Bolger model was tested to obtain information related to structural characteristics. Temperature had an important effect on the flow properties of the purée, a fact that might be attributed to the high contribution of the juice to the viscosity.


2011 ◽  
Vol 27 (4) ◽  
pp. 373-379 ◽  
Author(s):  
Mohsen Ostad Shabani ◽  
Mehdi Alizadeh ◽  
Ali Mazahery

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