A model of the interaction of the noise from a spreading subsonic jet with a 4 panel assembly is studied numerically in two dimensions. The e ect of forward motion of the jet is accounted for by considering a uniform ow eld superimposed on a mean jet exit pro le. The jet is initially excited by a pulse-like source inserted into the ow eld. The pulse triggers instabilities associated with the in...

The eddy-driven jet is located in the midlatitudes, bounded on one side by the pole and often bounded on the opposite side by a strong Hadley-driven jet. This work explores how the eddy-driven jet and its variability persist within these limits. It is demonstrated in a barotropic model that as the jet is located at higher latitudes, the eddy length scale increases as predicted by spherical Ross...

The activities of the QCD working group concentrated on improving the understanding and Monte Carlo simulation of multi-jet final states due to hard QCD processes at LEP, i.e. quark-antiquark plus multi-gluon and/or secondary quark production, with particular emphasis on four-jet final states and b-quark mass effects. Specific topics covered are: relevant developments in the main event generato...

LEP I data can be used to constrain technicolor models with light, neutral pseudo-Nambu-Goldstone bosons, P. We use published limits on branching ratios and cross sections for the final states γγγ, γ 6E, γ jet jet, 6E jet jet, and γγ jet jet to constrain the anomalous PZZ and PZγ couplings. From these results, we derive bounds on the size of the technicolor gauge group and the number of technif...

This study compares liquid fuel combustion characteristics of biofuels derived from camelina (POSF6152) and tallow (POSF6308) with a US domestic aviation fuel (Jet-A, POSF4658) using the spherically symmetric (one-dimensional) droplet flame configuration as the basis of comparison. A blend of camelina biofuel and Jet-A is also examined. The initial droplet diameters were fixed at 0.57 ± 0.03 mm...

This report summarizes modeling studies supporting the second phase of quarter-scale testing for the NTSB investigation of the TWA Flight 800 accident. In this study, fuel-air tests were conducted to replicate earlier tests to assure repeatability of results. The quarter-scale test tank was redesigned to use heated Jet-A fuel/air mixtures at reduced ambient pressures. Although violent combustio...

Indian Ocean is known as a source of moisture for southeast of Iran due to summer precipitation. In this study, in order to investigate the role of SST of Indian Ocean, and the convergence and divergence fields in the precipitation of southeast of Iran, precipitation data of five synoptic stations were used during 2000-2010, including Iranshahr, Khash, ChahBahar, Zabul, and Saravan. To investig...

The transverse momentum flow inside jets is a sensitive measure of internal jet structure. For the current jets in deep inelastic scattering this jet shape measure is determined at order α s, i.e. with up to three partons inside a single jet. The scale dependence of jet shapes in various jet algorithms is discussed. Results agree well with recent measurements by the ZEUS Collaboration, without ...

The wealth of high quality data now available on the M87 jet inspired us to carry out a detailed analysis of the plasma physical conditions in the jet. In a companion paper (Lobanov, Hardee & Eilek, this proceedings) we identify a double-helix structure within the jet, and apply Kelvin-Helmholtz stability analysis to determine the physical state of the jet plasma. In this paper we treat the jet...