Wind-Swept Earth

Frequency swept fibre laser for wind speed measurements PhD thesis

This PhD thesis builds around a light source forming the basis for a novel type of wind measuring lidar. The lidar emits a train of laser pulses with each pulse being separated from its neighbours in frequency, while being closely spaced in time, thus combining the advantages of conventional continuous wave (CW) and pulsed lidars. A light source capable of emitting such a pulse train is suggest...

Wind Tunnel Investigation of Pressure Distribution and Transition Position of a Swept 3D Wing

Extensive wind tunnel tests are conducted to evaluate surface pressure distribution of a semi span swept wing. The wing section has a laminar flow airfoil similar to NACA 6-series airfoils. The investigations are conducted at various speeds and angles of attack. Surface pressure distribution over the wing upper surface is measured for both chordwise and spanwise sections. Statistical analyses a...

Solar wind induced magnetic field around the unmagnetized Earth

The Earth is a planet with a dipolar magnetic field which is agitated by a magnetized plasma wind streaming from the Sun. The magnetic field shields the Earth’s surface from penetrating high energy solar wind particles, as well as interstellar cosmic rays. The magnetic dipole has reversed sign some hundreds of times over the last 400 million years. These polarity reversals correspond to drastic...

Solar wind plasma correlations between L1 and Earth

Solar wind plasma data from ISEE 3 at the L1 point and IMP 8 in Earth orbit are compared to determine how well an L1 monitor predicts plasma conditions at Earth. These data cover the time period August 1978 to February 1980, approaching solar maximum. Data are divided into 6-hour blocks, time shifted to compensate for the radial separation of the spacecraft, and interpolated to provide identica...

Visualization of Wind Data on Google Earth for the Three-dimensional Wind Field (3DWF) Model