The program expands these methods to solve problems involving the six shock-wave interference patterns on a two-dimensional cylindrical leading edge with an equilibrium chemically reacting gas mixture (representing, for example, the scramjet cowl of the NASP). EASI revives and updates older computational methods for calculating inviscid flow field and maximum heating from shock wave interference.
#11.62 EASYDIAG 3.0 SOFTWARE#
State-of-the-art aerothermal analysis software is inadequate to predict local flow and heat flux in areas of extremely high heat transfer, such as the surface impingement of an Edney-type supersonic jet. New research on hypersonic vehicles, such as the National Aero-Space Plane (NASP), has raised concerns about the effects of shock-wave interference on various structural components of the craft. The detailed mechanisms behind the development of angle-closure and primary angle-closure glaucoma should also be investigated.ĮASI - EQUILIBRIUM AIR SHOCK INTERFERENCE The ideas generated need to be further explored with longitudinal data of changes in anterior chamber depth and peripheral anterior synechiae in different populations. Cross-sectional studies in this area have also suggested that differences in anterior chamber depth, together with its association with peripheral anterior synechiae, may be part of the underlying mechanism behind these differences. International investigations into primary angle-closure glaucoma have demonstrated reproducible evidence that ethnic variations do exist. There have also been further investigations into the mechanism and natural history of primary angle-closure glaucoma in Asian populations. There are increasing reports that support previous findings on the incidence and prevalence of primary angle-closure glaucoma in different ethnic groups. Therefore it is important to review these studies in the light of a consistent classification system. As half of all cases of glaucoma reside in Asia, and with primary angle-closure glaucoma carrying a higher rate of visual morbidity, primary angle-closure glaucoma poses an important public health problem however, the inconsistent use of techniques and definitions to detect and diagnose primary angle-closure glaucoma has resulted in difficulties in interpreting the accuracy and comparability of such data. Observational studies from different countries have shown that populations of East Asian origin have a higher frequency of primary angle-closure glaucoma compared with those of European or African descent. All angles are ground by changing the fixture position to rest at various references angles without removing the tool from the holder.Įthnic differences in primary angle-closure glaucoma. Multisurface fixture with a tool holder permits accurate grinding and finishing of right and left hand single point threading tools. Multisurface fixture permits easy grinding of tool bit angles Here we describe a sense in which certain angles are preserved by projective transformations. Hence it is often assumed that lengths, angles, protractors, and compasses have no place in projective geometry. When a plane figure is photographed from different viewpoints, lengths and angles appear distorted. [For "Using Digital Technology to See Angles from…
They provide a practical, easy to follow sequence of activities that builds on students' understandings. In Part 1 of their article, Erin Host, Emily Baynham and Heather McMaster use a combination of digital technology and concrete materials to explore the concept of "corners". Host, Erin Baynham, Emily McMaster, Heather Part 1: CornersĮRIC Educational Resources Information Center Using Digital Technology to See Angles from Different Angles.
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