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4篇 您的检索式:作者名="S.Adam"
    题名 作者 年代 出处 被引量
1Radiofrequency catheter ablation of inappropriate sinus tachycardia guided by activation mapping显示文摘K.Ching Man Bradley Knight Hung-Fat Tse Frank Pelosi Gregory F Michaud Matthew Flemming S.Adam Strickberger Fred Morady 2000Journal of the American College of Cardiology2000,,2:1
2Response to Pacing at Sites of Isolated Diastolic Potentials During Ventricular Tachycardia in Patients With Previous Myocardial Infarction显示文摘Frank Bogun Marwan Bahu Bradley P Knight Raul Weiss Rajiva Goyal Emile Daoud K.Ching Man S.Adam Strickberger Fred Morady 1997Journal of the American College of Cardiology1997,,:1
3Differentiation of atypical atrioventricular node re-entrant tachycardia from orthodromic reciprocating tachycardia using a septal accessory pathway by the response to ventricular pacing显示文摘Gregory F Michaud Hiroshi Tada Steven Chough Robert Baker Kristina Wasmer Christian Sticherling Hakan Oral Frank Pelosi Bradley P Knight S.Adam Strickberger Fred Morady 2001Journal of the American College of Cardiology2001,,4:1
4Visualization of Unsteady Gas/Vapor Expansion Flows显示文摘High speed expansion flows of pure vapors or gas/vapor mixtures are important to many technical applications, e.g. to steam turbines, jet engines, and for safety control of pressurized power plants.The sudden cooling of the fluid flow leads to condensation and nonequilibrium two-phase now with instabilities and periodic shock formation at mean frequencies of about 1 kHz. Modelling and control of this dynamical problem is not only important with respect to erosion, it also may cause flutter excitation and serious demolition of technical facilities. In numerical simulations, the time dependent 2-D Elller equations collpled to four equations describing the process of homogeneous nucleation and droplet growth are solved by a MUSCL-type finite volume method. The results are compared with experiments carried out in an atmospheric supersonic wind tunnel. By application of this numerical method to internal flows (nozzles) we found different modes of instabilities including bifurcations. At the stability limit a sharp frequency minimum was found for symmetric oscillations in slender nozzles. It separates oscillation modes where the oncoming subsonic flow remains unchanged from the oscillatory state where a shock monotonically moves upstream into the oncoming flow. For different nozzles we detected a new unsymmetric oscillation mode with a complex system of upstream moving oblique shocks. Here the frequency curve shows the typical structure of a bifurcation problem, which is definitely not controlled by viscous effects but by instabilities of the interaction of flow and phase transition process.G.H.Schnerr S.Adam 1997Journal of Thermal Science1997,6,3:0
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