circle 齿顶圆 addendum circle, outside circle 齿根圆 root circle, addendum circle 模数 modulus 齿数 number of teeth 齿高 tooth height 齿顶高 height of addendum 齿根高 height of addendum 齿厚 circular thickness 齿间 tooth space 齿宽 tooth width 压力角 angle of pressure 弹簧 spring 销 pin ...
The Lambert conformal projection is used to create the chart, so straight lines drawn on the chart are nearly great-circle routes. (see page 571) An Illustrated Dictionary of Aviation Copyright © 2005 by The McGraw-Hill Companies, Inc. All rights reserved...
The experimentally measured average Young’s modulus for Ag FTNW with diameter from 22 nm to 35 nm is 102 ± 23 GPa53, thus the shear modulus of the Ag FTNW with diameter of 30 nm is approximate to 42 GPa (G=E/2(1+v), E ~ 102 GPa, ν ~ 0.225)....
of the material is obtained. Besides the determination method being complicated, the ASTM E1876 belongs to a technique of free resonance by impulse excitation type method, and the standard especially explains that this method is difficult to precisely obtain the dynamic shear modulus of a circular ...
which can be calculated as εt = 2fco/(Ec − E2); fcc and εcu are the ultimate stress and strain, respectively (see Figure 1); Ec and fco are the elastic modulus and strength of unconfined concrete, respectively; and E2 is the slope of the linear hardening part of the stress-stra...
The material properties assumed were an elastic modulus of 185 GPa and a Poisson’s ratio of 0.3, typical for AISI 316L stainless steel under elastic deformation conditions. The N4 and N12 finite element meshes are shown in Figure 4. Convergence of the mesh was performed, resulting in the N4...
The water velocity relative to the plate will be U + U1, and the modulus of the relative velocity is determined by Equation (18): 𝑊=(𝜗∞−𝜗1)2+(𝑈−𝑈1)2−−−−−−−−−−−−−−−−−−−−√W=ϑ∞−ϑ12+U−U12 (18) ...