velocity measurement
nPIV velocity measurement of nanofluids in the near wall region of a microchannel
... experiments were conducted at a fluid temperature of 20°C ± 0.2°C, and the error bars indicate the 95% uncer- tainty band of the measurement. The results of this fig- ure are in agreement with the previous ...
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Velocity Measurement Of Flowing Particle Using LED And Photodiode Sensor
... a pipeline that produces random disturbance signal. Two pairs of sensors positioned upstream and downstream, installed in an axial distance (L) with each other in parallel beam projection. The transmit time ( τ ) taken ...
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Velocity Measurement System for Small Caliber Projectiles
... The velocity-measurement system depends on the interruption (or occultation) of laser beam by the projectile. As the projectile passes between a laser source and a detector, it casts a shadow on the ...
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Velocity Measurement Of Moving Particle Using Combination Of Laser And Phototransistor
... Chapter three covers the methodology of the project. All of the mechanism that involved in this project such as ;specific sensing mechanism; Visual Basic 6.0; cross-correlation method; parallel beam projection; ...
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Relative Velocity Measurement with Spectrometer and Its Integrated Navigation
... Keywords: Navigation; Velocity measurement; X-ray pulsar; Mars explorer; Formation flight.. 29.[r] ...
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Velocity Measurement by PIV Using W Shaped Scanning Light Sheet
... of velocity vectors in the x-y plane and significantly deforms the shape of the correlation ...the velocity field of airflow by illuminating different colors of diode lasers at defined time ...
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Application of photogrammetry for spatial free surface elevation and velocity measurement in wave flumes
... Acquisition of high resolution surface measurements enables feature extraction otherwise unobtainable through point measurements, such as instantaneous snapshots of free-surface elevatio[r] ...
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A Tracking algorithm for Super speed Maneuvering Target Based on Velocity Measurement
... This paper aimed at the problem of super-speed maneuvering target tracking in the 3D space, proposes a self-adaption algorithm which using the radial velocity to track super-speed maneuvering target. Compared with ...
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A frequency response based method of sound velocity measurement in an impedance tube
... sound velocity will be ...sound velocity and the wave-number ...the measurement. The sound velocity in the tube will be lower than the standard velocity from the empirical formula [27] ...
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Spatially representative velocity measurement over water-worked gravel beds
... for all of the flow variables, it implies that the flow length scale (and structure) is also not well scaled by the bed roughness length scale. This agrees with the laboratory ob- servations of Cooper and Tait [2008], ...
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Flame front propagation velocity measurement and in cylinder combustion reconstruction using POET
... Combustion occurs after spark ignition in the engine chamber and its burning fuel is chemiluminescent. The flame front spreads following the explosion path. Thus, the flame front speed can be measured using optical ...
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Handbook for Surface Flow Velocity Measurement
... flow measurement using commercially available near-infrared digital cameras to acquire video footage in full HD ...water velocity vectors are achieved through application of several methodological ...
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Velocity Measurement Of Flowing Object Using Infrared Sensor
... The infra red emitters and detectors are linked to the measurement section. Light passing through the pipe passes through the optical fibre and is then converted into an electrical signal by the IR receiver. The ...
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A Photoplethysmographic Monitor for Local Pulse Wave Velocity Measurement
... Currently, the available technologies that are capable of monitoring pulse wave velocity (PWV) in a patient are uncomfortable and obstructive. Recently, it has been hypothesized the use of photoplethysmographic ...
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Handbook for Surface Flow Velocity Measurement
... Acquisition of real-time hydraulic data is an essential component for flood forecasting. However, we frequently face difficulties obtaining discharge data using classical contact methods during high magnitude floods and ...
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Velocity Measurement of Moving Object using Camera
... There are a unit six major elements in mensuration speed of auto by exploitation image process approach that area unit image acquisition, image sweetening, image segmentation, [r] ...
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A Mechanical and Electronic Measurement System for Particle Velocity Measurements in a Shotblasting Machine
... particle velocity between the sensors S1 and S2 is ...11. Velocity scatter is relatively high. The average particle velocity is ...standard measurement uncertainty is ...measured ...
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Measurement of air flow in duct by velocity measurements
... the velocity field. With this method, the quality of the flow measurement is very dependent on the location of the velocity measurement points in the duct ...about velocity schemes are ...
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Frequency Dependency of Laboratory Measurement of Maximum Shear Wave Velocity by Bender Elements
... wave velocity is one of the most important dynamic parameters of soils which contributes in estimating the dynamic behaviour of soils through the maximum shear ...wave velocity either in laboratory or in ...
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Measurement of the velocity and viscosity of fluids in a micro channel with Optical Coherence Tomography
... The data from the OCT is the backscattered intensity of light in the depth and in time. This light is fluctuating over time as it is backscattered by many quickly moving nanoparticles in the light beam, it is therefore ...
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