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Showing posts from February, 2023

Types of batteries are used in Electric vehicles (EVs)

 There are many types of batteries used in Electric vehicles. These include lead-acid batteries, nickel metal hydride and lithium ion batteries. Lead-acid batteries Lead-acid batteries are the oldest type of battery and they were used in cars until the 1970s when they were replaced by nickel metal hydride batteries which had a higher energy density than lead-acid. Lead-acid batteries are the oldest type of battery, dating back to 1859 when French scientist Gaston Planté invented them. These batteries use lead plates as electrodes and sulfuric acid as electrolyte. The plates are made from lead or lead oxide, which is a soft, malleable substance that can be molded into shapes with high electrical resistivity (the ability to store electricity). This makes it possible for the plates to be shaped into small cylindrical shapes called cells or modules. Each cell is connected together in series, forming a battery pack with several cells that produce an electric current when they're connect...

Useful softwares for Mechanical Engineer.

As a mechanical engineer, there are various types of software that can be useful for your work. Some of them are: Computer-aided design (CAD) software: This software allows you to create 2D or 3D models of mechanical parts, assemblies, and machines. Popular CAD software include AutoCAD, SolidWorks, and CATIA. Finite element analysis (FEA) software: FEA software is used to analyze the stresses and deformations in mechanical components and structures under different loads and conditions. Examples of FEA software are ANSYS, Abaqus, and COMSOL. Computer-aided manufacturing (CAM) software: CAM software is used to create instructions for machine tools to manufacture parts and assemblies. Examples of CAM software include Mastercam, GibbsCAM, and EdgeCAM. Product lifecycle management (PLM) software: PLM software manages the entire lifecycle of a product, from design to manufacture to maintenance. Examples of PLM software are Siemens Teamcenter and Dassault Systèmes ENOVIA. Computational fluid ...