Mechanic

The Impact of Isaac Newton on Modern Science Historical Context Isaac Newton was born into a place and time that situated him in what was the beginning of the age of enlightenment. The mid to late 1600’s were the beginning of a movement that emphasized individualism and reason rather than tradition. Isaac Newton benefitted greatly by being born in this period in time rather than 50 years earlier where the same opportunities he had would not be available and the amount of information available…

Plato once said, “Astronomy compels the soul to look upwards and leads us from this world into another.” Obviously, astronomy has always been an interest to mankind. We look up into the night sky and feel an urge, something pulling us towards the stars. Many people have been influential in discoveries involving the stars and the planets beyond. From Galileo Galilei to Stephen Hawking, we have learned and discovered amazing things about the universe, and in recent discoveries we have wondered if…

(Q-Dots) is very small semiconductor particles that means it can be either conductors or resist electricity depending on the temperature and purity of the semiconductor. Q-dots range in size from 2-10 nm, so because of their small size, quantum mechanics governs the physics of the particles. The synthesis Q-Dots were first studied in 1982 by Efros and Ekimov, and then many developments have reported the synthesis of semiconductor nanoparticles.1 Q-Dots have unique properties, which is emitting…

Abstract:The second order rotatory theory of hydrodynamic lubrication was founded on the expression obtained by retaining the terms containing first and second powers of rotation number in the extended generalized Reynolds equation. In the present paper, there are some new excellent fundamental solutions with the help of geometrical figures, expressions, calculated tables and graphs for the porous bearings in the second order rotatory theory of hydrodynamic lubrication. The analysis of equations…

Intuitively we know that the size of an object can have a significant impact on its dynamics. We have seen athletes or animals creating moves beyond our imagination, as shown in Fig. 4.1. This is because their ability in manipulating different parts of their bodies in creating dynamic complexities shown in the images. Certainly we would not be able to ignore the role played by each part of the body if we were to analyze the dynamics of an extended object. However, there is one point, associated…

1. C Why: according to Newton’s first law of motion, an object that is free from all outside forces travels at a constant velocity, covering equal distances in equal times along a straight-line path, C is true. 2. D Why: not matter an object is still or is in motion, the object has inertia all the time. Inertia is a nature/property of any objects. 3. D Why: the ship is moving at a constant speed, which is in a balanced status. For the athlete, it would be likely to do a long jump on ground.…

CHAPTER- 5 ANALYSIS OF STEEL LEAF SPRING ________________________________________________________________ The aim of this analysis is to study the multi-leaf steel leaf spring under loading conditions and verify those results within the allowable limits. ANSYS software is used to analyze the stresses and strains by performing static analysis for the given leaf spring specifications and modal analysis is performed to determine the natural frequencies and mode shapes to asses the behavior of the…

CHAPTER 5 EXPERIMENTATION 5.1 Spur gear terms and concept Fig. 5.1 Terminology definitions for spur gears The radial distance from the pitch circle to the outside diameter is called as addendum. The radial distance between the pitch circle and the root diameter is called as dedendum. The distance of the arc along the pitch circle from one side of a gear tooth to the other is called as circular thickness. The length of the arc of the pitch circle from one point on a tooth to the same…

Particle Deformation and Fragmentation: As compaction force increases, contact area between particles increases, particle deformation starts to occur. Elastic deformation: granules attempt to return to their original shape or form after stress is released. Plastic deformation: granules do not totally recover after stress is released. Fragmentation occurs when compaction force continues to increase Particles fracture, create multiple new surface sites, additional contact points and potential…

Computational Fluid Dynamics Computational fluid dynamics (CFD) is the simulation of fluids in engineering systems using modeling such as mathematical physical problem formulation and numerical methods like discretization methods, solver, numerical parameters and grid generation. Computational fluid dynamics is based on the concept of Reynolds averaging of the unsteady Navier-Stokes equation commonly known as (RANS) which are considered by Leishman to be the most adaptable method for…