Thermal design and the choice of turbulence models are crucial for motors. In this project, geometrical model vertical shielding induction motor a small nuclear main pump was established by SolidWorks software finite volume method adopted to investigate temperature motor, especially temperatures bearings lubricated water. To make numerical simulation flow heat transfer in rotating clearance mor...

“Saturday night palsy”, also known as “lovers’ paralysis”, is a neuropathy of the radial nerve, caused by extrinsic compression at certain point in its path along humerus, usually level spiral groove. This designation based on fact that this occurs, frequently, after excessive alcohol intake, thus resulting an incorrect position arm during sleep. fourth most common mononeuropathy worldwide, aff...

At present, most of small grain crops such as millet and forage seeds are sown by external force feed in mainland China, which has some problems of wasting seeds, uneven seed distribution and so on. Therefore, it is needed to design a precise feed device for small grain corps. The author’s of this paper established a three-dimensional model to design the spiral groove precision seed-metering de...

This paper presents neural network regression models for predicting the nonlinear static and linearized dynamic reaction forces of spiral grooved gas journal bearings. The partial differential equations (PDEs) are sampled, based on a full factorial randomly spaced parameter set. Feed-forward (FNN) architectures developed modeling PDEs therefore replacing time-consuming discrete iterative soluti...

Aiming at the pulsation problem of traditional external grooved wheel fertilizer distributor, an opposed double spiral distributor is designed, and design analysis parameters are carried out. In order to obtain with best discharge effect, movement process particles in opposite was analyzed through discrete element simulation. Using combination simulation bench test, a orthogonal experiment out ...

A detailed investigation of the shell formation of the palaeoheterodont 'living fossil' Neotrigonia concentrated on the timing and manufacture of the calcified 'bosses' which stud the outside of all trigonioid bivalves (extant and fossil) has been conducted. Electron microscopy and optical microscopy revealed that Neotrigonia spp. have a spiral-shaped periostracal groove. The periostracum itsel...

Due to their excellent stability and zero leakage capability, thrust bearings with herringbone spiral grooves are frequently used in transmission mechanisms. However, the lubrication mechanism of has not been clearly understood explained, preventing optimization bearing performance. Thus, this paper is devoted solving problem by building a three-dimensional finite element flow model. In model, ...

Thrombospondin-1 (TSP-1) contains three type 1 repeats (TSRs), which mediate cell attachment, glycosaminoglycan binding, inhibition of angiogenesis, activation of TGFbeta, and inhibition of matrix metalloproteinases. The crystal structure of the TSRs reported in this article reveals a novel, antiparallel, three-stranded fold that consists of alternating stacked layers of tryptophan and arginine...

hrombospondin-1 (TSP-1) contains three type 1 repeats (TSRs), which mediate cell attachment, glycosaminoglycan binding, inhibition of angiogenesis, activation of TGF , and inhibition of matrix metalloproteinases. The crystal structure of the TSRs reported in this article reveals a novel, antiparallel, three-stranded fold that consists of alternating stacked layers of tryptophan and arginine res...

The neurovascular and muscular anatomy about the humerus precludes the use of a truly "safe" fully extensile approach. Working around a spiraling radial nerve at the posterior midshaft requires either a transmuscular dissection or a triceps-avoiding paramuscular technique. To gain maximal exposure, the radial nerve must be mobilized at the spiral groove. For exposure of only the proximal humera...