Precise measurement and control of the pressure‐driven flows for microfluidic systems

2019 ◽  
Vol 41 (10-11) ◽  
pp. 852-859 ◽  
Author(s):  
Wen Zeng ◽  
Hai Fu
Keyword(s):  
Precise Measurement ◽  
Microfluidic Systems ◽  
And Control ◽  
Measurement And Control ◽  
Pressure Driven

scholarly journals Measurement and control of pressure driven flows in microfluidic devices using an optofluidic flow sensor

2014 ◽  
Vol 8 (5) ◽  
pp. 054123 ◽  
Author(s):  
Mohammad Sadegh Cheri ◽  
Hamidreza Shahraki ◽  
Jalal Sadeghi ◽  
Mohammadreza Salehi Moghaddam ◽  
Hamid Latifi
Keyword(s):  
Microfluidic Devices ◽  
Flow Sensor ◽  
And Control ◽  
Measurement And Control ◽  
Pressure Driven

scholarly journals LabVIEW Based Implementation of Resistive Temperature Detector Linearization Techniques

2019 ◽  
Vol 9 (4) ◽  
pp. 4530-4533 ◽  
Author(s):  
S. M. A. Ghaly
Keyword(s):  
Precise Measurement ◽  
Voltage Divider ◽  
Industrial Applications ◽  
Temperature Variations ◽  
Temperature Detector ◽  
Feedback Compensation ◽  
Accurate Temperature ◽  
And Control ◽  
Measurement And Control ◽  
Linearization Techniques

Resistance temperature detectors (RTDs) are high-quality temperature sensors used for accurate temperature measurements and ideally suited for industrial applications, but their non-linearity is a serious drawback in temperature monitoring in which precise measurement and control are crucial. In this paper, two linearization techniques are implemented in LabVIEW environment involving voltage divider and feedback compensation circuits. The presented techniques considerably decrease the effects of non-linearity and may accommodate temperature variations).

Note on a Null Method for the Direct Measurement of Pressure Coefficients

1955 ◽  
Vol 6 (4) ◽  
pp. 241-253 ◽  
Author(s):  
L. H. Tanner
Keyword(s):  
Reynolds Number ◽  
Circular Cylinder ◽  
Precise Measurement ◽  
Scale Effects ◽  
Pressure Coefficient ◽  
Pressure Coefficients ◽  
And Control ◽  
Measurement And Control ◽  
Critical Scale ◽  
Working Section

SummaryValues of the pressure coefficient Cp between +1 and -1 can be measured directly in incompressible flow by comparison with the known pressures on a circular cylinder placed in the tunnel working section. The development of the method and the apparatus required are described. The method gives more consistent and accurate readings than can easily be obtained with normal manometer measurements, particularly when the pressure differences are small and the tunnel speed not very steady. Since the coefficients depend on Reynolds number only, less precise measurement and control of tunnel speed are required, unless, the coefficients to be measured are subject to critical scale effects. Possible ways of extending the range of coefficients which can be measured are suggested.

2. Measurement and Control of Airborne Microorganisms Using Electrostatic Methods

2001 ◽  
Author(s):  
G. Mainelis ◽  
R. Gorny ◽  
K. Willeke ◽  
S. Grinshpun ◽  
T. Reponen ◽  
...  
Keyword(s):  
Airborne Microorganisms ◽  
And Control ◽  
Measurement And Control
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