Real-Time and Direct Measurement of Pollutants in Exhaust Gas Utilizing Supersonic Jet / Resonance Enhanced Multi-Photon Ionization

2008 ◽  
Author(s):  
Kentaro Misawa ◽  
Jun Matsumoto ◽  
Yohei Yamato ◽  
Saori Mae ◽  
Shun-ichi Ishiuchi ◽  
...  
Keyword(s):  
Real Time ◽  
Direct Measurement ◽  
Supersonic Jet ◽  
Exhaust Gas ◽  
Photon Ionization

The Measurement of Engine Volumetric Efficiency Using a Pressure Transducer

1972 ◽  
Vol 5 (4) ◽  
pp. 137-141
Author(s):  
P H Clarke ◽  
M N Khayat ◽  
G A Harrow
Keyword(s):  
Direct Measurement ◽  
Pressure Transducer ◽  
Gas Analysis ◽  
Volumetric Efficiency ◽  
Exhaust Gas ◽  
Compression Pressure ◽  
Infra Red ◽  
Electric Pressure ◽  
Engine Cycle ◽  
Good Agreement

A method of estimating the volumetric efficiency of an engine by using a piezo-electric pressure transducer to measure the compression pressure during a non-firing engine cycle is described and the results obtained are compared with those derived from a direct measurement of air flow. The results produced by the two techniques agree to within ±3% at speeds up to 2500 rpm and are in good agreement with those obtained from an infra-red exhaust gas analysis when the engine was firing.

Real-time direct measurement of spinal cord blood flow at the point of compression

2009 ◽  
Vol 65 ◽  
pp. S125
Author(s):  
Tadao Morino ◽  
Tadanori Ogata ◽  
Kei Morizane ◽  
Gotaro Yamaoka ◽  
Haruyasu Yamamoto
Keyword(s):  
Spinal Cord ◽  
Blood Flow ◽  
Cord Blood ◽  
Real Time ◽  
Direct Measurement ◽  
Spinal Cord Blood Flow
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