ATAC was used to provide preliminary aerodynamic coefficients and heatshield sizing for the EDL. Comparisons were made with computational fluid dynamics and Free Molecular …

ATAC is a computer program which models the response of a flight vehicle to an aero-heating environment. The essential elements of the code are procedures to model the following: • …

temperature and ablation mass flux are explicitly coupled with the flowfield solution providing realistic transient hot wall boundary conditions for more detailed thermostructural finite …

These verifications are used to demonstrate solution accuracy and proper error. convergence rates. A simple demonstration of a mechanical erosion (spallation) model is also. provided to …

Northrop Grumman Corporation applied a modified version of the MASCC/ATAC program, an inviscid flowfield code with boundary layer solver to simulate this scenario. The MASCC/ATAC …

In general, there are two classes of ablators: those that only undergo surface ablation and those that decompose, char, or pyrolyze internally in addition to ablating at the surface, which is …

Jan 1, 2003 · The capabilities of the Aeroheating and Thermal Analysis Code (ATAC) are demonstrated with two re-entry studies. The first study compares predictions with data taken …

Radio-frequency ablation is an effective and safe way to cure patients suffering from Supra-ventricular tachycardia. Please do not hesitate to discuss any aspect of the procedure …

Sep 1, 2023 · Is catheter ablation the best option for your SVT? Let's learn about the procedure, its complications, success rate, recovery and your expectations.

Nov 18, 2024 · Nonpharmacologic therapy for symptomatic and life-threatening cardiac arrhythmias includes the use of catheter ablation, the implantable cardioverter-defibrillator for …