نتایج جستجو برای: fluid dynamic

تعداد نتایج: 616986  

Journal: :Advanced biology 2023

DNA Doplets In article 2200180, Masahiro Takinoue and co-workers show here that droplets, a liquid-state micro-scale self-assembly of sequences empower scientists engineers to ‘program’ their sequence recognition capabilities physical properties by the Watson–Crick base-pairing rule. Here, two types droplets (green blue) are designed favor coalescence with ones same color.

Journal: :Classical and Quantum Gravity 2023

We perform a thorough analysis of the dynamic and thermodynamic stability for charged perfect fluid star by applying Wald formalism to Lagrangian formulation Einstein-Maxwell-charged system. As result, we find that neither presence additional electromagnetic field nor Lorentz force experienced makes any obstruction key steps towards previous results obtained neutral star. Therefore, criterion o...

High speed wind tunnels are widely used in the study of fluid flow behavior around various objects. The air flow in the starting step of supersonic wind tunnels is transient including strong shock waves caused by the interaction of the tunnel main stream and the boundary layer at walls. To arrive in running step, the tunnel must be designed so as these waves leave immediately the test section. ...

The concept of floating submerged tunnels becomes increasingly attractive idea to cross the straits. The structural solution in these bridges includes buoyancy force on tunnel body plus tension in mooring tethers. This paper investigates the effect of submergence on the dynamic response of submerged floating tunnels due to moving load. The inertial effect of the fluid on the submerged structure...

J Rexy M Mahaveersree Jayan R Kumar, R Selvamani,

In this work, the nonlocal elastic waves in a fluid conveying armchair thermo elastic single walled carbon nanotube under moving harmonic load is studied using Eringen nonlocal elasticity theory via Euler Bernoulli beam equation. The governing equations that contains partial differential equations for single walled carbon nanotube is derived by considering thermal and Lorenz magnetic force. The...

Journal: :Revista Brasileira de terapia intensiva 2009
Fernando José da Silva Ramos Luciano Cesar Pontes de Azevedo

To assess fluid responsiveness in patients under spontaneous breathing activity ventilation remains a challenge for intensive care physicians. Much of the knowledge on heart-lung interactions and dynamic indexes of fluid responsiveness may not be useful for these patients. Historically, the most frequently used variables to guide fluid responsiveness on this population have been the static prel...

More than half of all hydrocarbon reservoirs are Naturally Fractured Reservoirs (NFRs), in which production forecasting is a complicated function of fluid flow in a fracture-matrix system. Modelling of fluid flow in NFRs is challenging due to formation heterogeneity and anisotropy. Stress sensitivity and depletion effect on already-complex reservoir permeability add to the sophistication. Horiz...

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