نتایج جستجو برای: dimensionless torque coefficient
تعداد نتایج: 195854 فیلتر نتایج به سال:
Laminar stagnation flow, axi-symmetrically yet obliquely impinging on a rotating circular cylinder, as well as its heat transfer is formulated as an exact solution of the Navier-Stokes equations. Rotational velocity of the cylinder is time-dependent while the surface transpiration is uniform and steady. The impinging stream is composed of a rotational axial flow superposed onto irrotational rad...
Purpose: The aims of the present study are to correlate the ISQ values, registered by the Osstell ISQ system, with the insertion torque during the placement of the implant, and to assess the influence of the thread initiator on the ISQ values and on the insertion torque. Materials and methods: 140 rough surface implants screw-shaped implants, placed in 10 bovine ribs, were assigned to Group A (...
bhw = half width of the line broadening, Å Eabs = integrated absorption energy,W=cm Eabs;p = absorption energy per particle, W Eemis = integrated emission energy,W=cm Eemis;p = emission energy per particle, W Eray = energy of a ray, photon bundle, W Fnum = Number of particles represented by a simulated particle i = cell index in the x direction j = cell index in the r direction k = line index k...
We develop a systematic theory of the Hall effect in Q1D conductors in both weak and strong magnetic fields for a model where the electron relaxation time varies over the Fermi surface. At high temperatures, the Hall coefficient saturates at the values −β/ecn, where the dimensionless coefficient β is determined by the curvature of the longitudinal dispersion law of electrons, e the electron cha...
We develop a systematic theory of the Hall effect in Q1D conductors in both weak and strong magnetic fields for a model where the electron relaxation time varies over the Fermi surface. At high temperatures, the Hall coefficient saturates at the value −β/ecn, where the dimensionless coefficient β is determined by the curvature of the longitudinal dispersion law of electrons, e the electron char...
We present experiments to predict the maximum penetration depth atwhich typical biological structures in amelanotic tissue can bedetected with confocal microscopy. The detected signal is examinedas the signal source strength (index of refraction mismatch), thesource depth, and the medium scattering coefficient are varied. Thedetected background produced by scattering outside the focal volume is...
introduction: the purpose of this study was to compare the accuracy of the torque wrenches used in different dental implant systems. methods: we evaluated 42 torque wrenches used in different dental clinics in mashhad, iran, using a digital torque meter (mark 10). high (25, 30 and 35 n·cm) and low (15 n·cm) levels of torque were examined. ten tests were performed on each wrench, and the mean va...
INTRODUCTION We quantified submaximal torque regulation during low to moderate intensity isometric hip flexion contractions in individuals with stroke and the associations with leg function. METHODS Ten participants with chronic stroke and 10 controls performed isometric hip flexion contractions at 5%, 10%, 15%, 20%, and 40% of maximal voluntary contraction (MVC) in paretic, nonparetic, and c...
s spring In some nuclear reactor containment isolation applica Greek tions, butterfly valves with pneumatic actuators are used to close pipelines in the event of containment p density pressure transients resulting from postulated acci e angular position dents. A model is developed which predicts the closure time history of such valve/actuator systems INTRODUCTION under prescribed transients. ...
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