نتایج جستجو برای: anemometry
تعداد نتایج: 423 فیلتر نتایج به سال:
This paper deals with active control of a continuous jet issuing from long pipe nozzle by means concentrically placed annular synthetic jet. The experiments in air cover regimes laminar, transitional, and turbulent main flows (Reynolds number ranges 1082–5181). velocity profiles (time-mean fluctuation components) unforced forced jets were measured using hot-wire anemometry. Six flow are disting...
Characterization of air velocities near greenhouse internal mobile screens using 3D sonic anemometry
BACKGROUND The capillary blood flow of the nailfold can be measured by means of modern non-invasive techniques like the videocapillary microscope in vivo. To quantify the capillary blood cell velocity, apart from the nailfold capillaries, we used a new technique, the so-called laser Doppler anemometry (LDA). OBJECTIVE The present study investigated how far laser Doppler fluxmetry (LDF), trans...
Airflow along rivers might provide a key mechanism for ventilation in cities: important for air quality and thermal comfort. Airflow varies in space and time in the vicinity of rivers. Consequently, there is limited utility in point measurements. Ground-based remote sensing offers the opportunity to study 3D airflow in locations which are difficult to observe with conventional approaches. For t...
This is the second part of a two-part paper focusing on assessment accuracy turbulence-related data from CFD simulations using effective numerical dissipation rate and viscosity. Experimental setup has been discussed in first this series. Here, relevant solution obtained via are compared to values laser Doppler anemometry measurements, it studied whether such can be assessed two mentioned quant...
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