Binormal cooling errors in single hot-wire measurements

Hot-Wire Attenuation and Its Correction in Turbulence Measurements

A scheme is proposed for correcting the hot-wire attenuation in turbulence measurements in both frequency and time domains. The scheme is tested for simulated hot-wire signals under velocity impulse and sinusoidal perturbations of various frequencies. It is found that the frequency response of the hotwire system and the calculated central moments, after applying the correction, can be greatly i...

The Hot - wire Anemometer for Turbulence Measurements part III

Pulling geometry-induced errors in single molecule force spectroscopy measurements.

In AFM-based single molecule force spectroscopy, it is tacitly assumed that the pulling direction coincides with the end-to-end vector of the molecule fragment being stretched. By systematically varying the position of the attachment point on the substrate relative to the AFM tip, we investigate empirically and theoretically the effect of the pulling geometry on force-extension characteristics ...

The Influence of Spatial Resolution due to Hot-Wire Sensors on Measurements in Wall-Bounded Turbulence

Reassessment of compiled data reveal that recorded scatter in the hot-wire measured near-wall peak in viscous-scaled streamwise turbulence intensity is due in large part to the simultaneous competing effects of Reynolds number and viscous-scaled wire-length l ( lUτ ν, where l is the wirelength, Uτ is friction velocity and ν is kinematic viscosity). These competing factors can explain much of th...

Hot Bubbles in Cooling Flow Clusters

As more cooling flow clusters of galaxies with central radio sources are observed with the Chandra and XMM-Newton X-ray Observatories, more examples of “bubbles” (low-emission regions in the X-ray coincident with radio emission) are being found. These bubbles are surrounded by bright shells of X-ray emission, and no evidence of current strong shocks has yet been found. Using an analytic approac...