This document contains problems related to analyzing reciprocating engines. It includes determining expressions for piston velocity and acceleration, as well as connecting rod angular velocity and acceleration. Other problems involve calculating maximum piston velocity, inertia force, net thrust on a piston, turning moment on a crankshaft, and acceleration of a flywheel. Solutions require using equations for reciprocating engine mechanics and applying concepts like pressure, speed, mass, stroke, bore, connecting rod length, crank angle, torque, and power.
Stress Analysis of I.C.Engine Connecting Rod by FEM and PhotoelasticityIOSR Journals
Abstract: The automobile engine connecting rod is a high volume production critical component. Every vehicle
that uses an internal combustion engine requires at least one connecting rod .From the viewpoint of
functionality, connecting rods must have the highest possible rigidity at the lowest weight. The major stress
induced in the connecting rod is a combination of axial and bending stresses in operation. The axial stresses are
produced due to cylinder gas pressure (compressive only) and the inertia force arising in account of
reciprocating action (both tensile as well as compressive), where as bending stresses are caused due to the
centrifugal effects. The result of which is, the maximum stresses are developed at the fillet section of the big and
the small end.Hence, the paper deals with the stress analysis of connecting rod by Finite Element Method using
Pro/E Wildfire 4.0 and ANSYS WORKBENCH 11.0 software. The comparison and verification of the results
obtained in FEA is done experimentally by the method of Photo elasticity(Optical Method). The method of
Photoelasticity includes the casting of Photoelastic sheet using Resin AY103 and Hardner HY951, preparation
of the model from Photoelastic sheet calibration of the sheet to determine material fringe value.
Keywords - Big End fillet section ,Connecting Rod, Compressive Stresses , Failure of Connecting Rod, FEA,
Photoelasticity, Small End fillet section, Tensile Stresses.
The main objective of project is to understand the working of cone
type CVT which offers a continuum of gear ratios between the fixed
desired limits . It includes the analysis of
1) Design of CVT.
2) Fabrication of CVT model.
3) Performance analysis and testing
Stress Analysis of I.C.Engine Connecting Rod by FEM and PhotoelasticityIOSR Journals
Abstract: The automobile engine connecting rod is a high volume production critical component. Every vehicle
that uses an internal combustion engine requires at least one connecting rod .From the viewpoint of
functionality, connecting rods must have the highest possible rigidity at the lowest weight. The major stress
induced in the connecting rod is a combination of axial and bending stresses in operation. The axial stresses are
produced due to cylinder gas pressure (compressive only) and the inertia force arising in account of
reciprocating action (both tensile as well as compressive), where as bending stresses are caused due to the
centrifugal effects. The result of which is, the maximum stresses are developed at the fillet section of the big and
the small end.Hence, the paper deals with the stress analysis of connecting rod by Finite Element Method using
Pro/E Wildfire 4.0 and ANSYS WORKBENCH 11.0 software. The comparison and verification of the results
obtained in FEA is done experimentally by the method of Photo elasticity(Optical Method). The method of
Photoelasticity includes the casting of Photoelastic sheet using Resin AY103 and Hardner HY951, preparation
of the model from Photoelastic sheet calibration of the sheet to determine material fringe value.
Keywords - Big End fillet section ,Connecting Rod, Compressive Stresses , Failure of Connecting Rod, FEA,
Photoelasticity, Small End fillet section, Tensile Stresses.
The main objective of project is to understand the working of cone
type CVT which offers a continuum of gear ratios between the fixed
desired limits . It includes the analysis of
1) Design of CVT.
2) Fabrication of CVT model.
3) Performance analysis and testing
Immunizing Image Classifiers Against Localized Adversary Attacksgerogepatton
This paper addresses the vulnerability of deep learning models, particularly convolutional neural networks
(CNN)s, to adversarial attacks and presents a proactive training technique designed to counter them. We
introduce a novel volumization algorithm, which transforms 2D images into 3D volumetric representations.
When combined with 3D convolution and deep curriculum learning optimization (CLO), itsignificantly improves
the immunity of models against localized universal attacks by up to 40%. We evaluate our proposed approach
using contemporary CNN architectures and the modified Canadian Institute for Advanced Research (CIFAR-10
and CIFAR-100) and ImageNet Large Scale Visual Recognition Challenge (ILSVRC12) datasets, showcasing
accuracy improvements over previous techniques. The results indicate that the combination of the volumetric
input and curriculum learning holds significant promise for mitigating adversarial attacks without necessitating
adversary training.
TECHNICAL TRAINING MANUAL GENERAL FAMILIARIZATION COURSEDuvanRamosGarzon1
AIRCRAFT GENERAL
The Single Aisle is the most advanced family aircraft in service today, with fly-by-wire flight controls.
The A318, A319, A320 and A321 are twin-engine subsonic medium range aircraft.
The family offers a choice of engines
Event Management System Vb Net Project Report.pdfKamal Acharya
In present era, the scopes of information technology growing with a very fast .We do not see any are untouched from this industry. The scope of information technology has become wider includes: Business and industry. Household Business, Communication, Education, Entertainment, Science, Medicine, Engineering, Distance Learning, Weather Forecasting. Carrier Searching and so on.
My project named “Event Management System” is software that store and maintained all events coordinated in college. It also helpful to print related reports. My project will help to record the events coordinated by faculties with their Name, Event subject, date & details in an efficient & effective ways.
In my system we have to make a system by which a user can record all events coordinated by a particular faculty. In our proposed system some more featured are added which differs it from the existing system such as security.
Democratizing Fuzzing at Scale by Abhishek Aryaabh.arya
Presented at NUS: Fuzzing and Software Security Summer School 2024
This keynote talks about the democratization of fuzzing at scale, highlighting the collaboration between open source communities, academia, and industry to advance the field of fuzzing. It delves into the history of fuzzing, the development of scalable fuzzing platforms, and the empowerment of community-driven research. The talk will further discuss recent advancements leveraging AI/ML and offer insights into the future evolution of the fuzzing landscape.
Welcome to WIPAC Monthly the magazine brought to you by the LinkedIn Group Water Industry Process Automation & Control.
In this month's edition, along with this month's industry news to celebrate the 13 years since the group was created we have articles including
A case study of the used of Advanced Process Control at the Wastewater Treatment works at Lleida in Spain
A look back on an article on smart wastewater networks in order to see how the industry has measured up in the interim around the adoption of Digital Transformation in the Water Industry.
Overview of the fundamental roles in Hydropower generation and the components involved in wider Electrical Engineering.
This paper presents the design and construction of hydroelectric dams from the hydrologist’s survey of the valley before construction, all aspects and involved disciplines, fluid dynamics, structural engineering, generation and mains frequency regulation to the very transmission of power through the network in the United Kingdom.
Author: Robbie Edward Sayers
Collaborators and co editors: Charlie Sims and Connor Healey.
(C) 2024 Robbie E. Sayers
Student information management system project report ii.pdfKamal Acharya
Our project explains about the student management. This project mainly explains the various actions related to student details. This project shows some ease in adding, editing and deleting the student details. It also provides a less time consuming process for viewing, adding, editing and deleting the marks of the students.
Final project report on grocery store management system..pdfKamal Acharya
In today’s fast-changing business environment, it’s extremely important to be able to respond to client needs in the most effective and timely manner. If your customers wish to see your business online and have instant access to your products or services.
Online Grocery Store is an e-commerce website, which retails various grocery products. This project allows viewing various products available enables registered users to purchase desired products instantly using Paytm, UPI payment processor (Instant Pay) and also can place order by using Cash on Delivery (Pay Later) option. This project provides an easy access to Administrators and Managers to view orders placed using Pay Later and Instant Pay options.
In order to develop an e-commerce website, a number of Technologies must be studied and understood. These include multi-tiered architecture, server and client-side scripting techniques, implementation technologies, programming language (such as PHP, HTML, CSS, JavaScript) and MySQL relational databases. This is a project with the objective to develop a basic website where a consumer is provided with a shopping cart website and also to know about the technologies used to develop such a website.
This document will discuss each of the underlying technologies to create and implement an e- commerce website.
Courier management system project report.pdfKamal Acharya
It is now-a-days very important for the people to send or receive articles like imported furniture, electronic items, gifts, business goods and the like. People depend vastly on different transport systems which mostly use the manual way of receiving and delivering the articles. There is no way to track the articles till they are received and there is no way to let the customer know what happened in transit, once he booked some articles. In such a situation, we need a system which completely computerizes the cargo activities including time to time tracking of the articles sent. This need is fulfilled by Courier Management System software which is online software for the cargo management people that enables them to receive the goods from a source and send them to a required destination and track their status from time to time.
COLLEGE BUS MANAGEMENT SYSTEM PROJECT REPORT.pdfKamal Acharya
The College Bus Management system is completely developed by Visual Basic .NET Version. The application is connect with most secured database language MS SQL Server. The application is develop by using best combination of front-end and back-end languages. The application is totally design like flat user interface. This flat user interface is more attractive user interface in 2017. The application is gives more important to the system functionality. The application is to manage the student’s details, driver’s details, bus details, bus route details, bus fees details and more. The application has only one unit for admin. The admin can manage the entire application. The admin can login into the application by using username and password of the admin. The application is develop for big and small colleges. It is more user friendly for non-computer person. Even they can easily learn how to manage the application within hours. The application is more secure by the admin. The system will give an effective output for the VB.Net and SQL Server given as input to the system. The compiled java program given as input to the system, after scanning the program will generate different reports. The application generates the report for users. The admin can view and download the report of the data. The application deliver the excel format reports. Because, excel formatted reports is very easy to understand the income and expense of the college bus. This application is mainly develop for windows operating system users. In 2017, 73% of people enterprises are using windows operating system. So the application will easily install for all the windows operating system users. The application-developed size is very low. The application consumes very low space in disk. Therefore, the user can allocate very minimum local disk space for this application.
1. 1. For reciprocating engine, derive the expression for
(i)Velocity and acceleration of the piston
(ii)Angular velocity and angular acceleration of the connecting rod (16)
2. In a reciprocating engine mechanis m, if the crank and connecting rod are 300mm and 1m long respectively and the crank
rotates at a constant speed of200r.p.m.Determine analytically,
1. The crank angle at which the maximum velocity occurs and
2. Maximum velocity of piston.
3. Derive the relevant equations. (16)
3. (i)Deduce the expression for the inertia force in the reciprocating force neglecting the weight
of the connecting rod. (8)
(ii)A vertical petrol engine with cylinder of 150mm diameter and 200mm strokes has a connecting rod of 350mm long. The
mass is 1.6kg and the engine speed is 1800 rpm. On the expansion stroke with crank angle 30˚ fromTDC, the gas
pressure is 750KPa.Determine the net thrust on the piston. (8)
4. (i)Define coefficient of fluctuation of speed and coefficient of fluctuation of energy. (4) (ii)The radius
of gyration of a fly wheel is 1meter and fluctuation of speed is not to exceed 1% of the mean
speed of the flywheel. If the mass of the flywheel is 3340kg and the steam develops 150KW at 135rpm, then find,
1.Maximum fluctuation of energy 2. Coefficient of fluctuation of energy (12)
5. The length of crank and connecting rod of a horizontal reciprocating engine are 100mm and 500mm
respectively. The crank is rotating at 400rpm.When the crank has turned 30˚ from the IDC, find analytically
1.Velocity of piston
2. Acceleration of piston
3. Angular velocity of connecting rod
4. Angular acceleration of connecting rod. (16)
6. The length and connecting rod of a horizontal reciprocating engine are 200mm and 1meter respectively. The crank is
rotating at 400rpm.When the crank has turned 30˚ from the inner dead center, the difference of pressure between cover end
and piston rod is 0.4 N/mm2. If the mass of the reciprocating parts is 100Kg and a cylinder bore is 0.4meters.Calculate
(i)Inertia force (ii) Force on piston (iii) Piston effort (iv) Thrust on the side of the cylinder walls (v) Thrust in the
connecting rod (vi)Crank effort. (16)
7. A horizontal gas engine running at 210rpm has a bore of 220mm and a stroke of 440mm. The connecting rod is
924mm long the reciprocating parts weight 20kg.When the crank has turned through an angle of 30˚ from IDC, the gas
pressure on the cover and the crank sides are 500KN/m2 and 60KN/m2 respectively. Diameter of the piston rod is
40mm.Determine,
1. Turning moment on the crank shaft
2.Thrust on bearing
3. Acceleration of the flywheel which has a mass of 8kg and radius of gyration of 600mm while the power of the
engine is 22KW. (16)
2. 8. A single cylinder vertical engine has a bore of 300mm and a stroke of 400mm.The connecting rod is 1000mm
long. The mass of the reciprocating parts is 140kg.On the expansion stroke with the crank at 30˚fromthe top dead
center, the gas pressure is 0.7MPa.If the runs at 250rpm, determine;
1. Net force acting on the piston 2.resultant load on the gudgeon pin
3. Thrust on cylinder walls
4. The speed above which other things remaining same, gudgeon pin loads would be reversed
in direction. (16)
9. A vertical double acting steam engine has a cylinder 300mm diameter and 450mm stroke
and
runs at 200rpm.The reciprocating parts has a mass of 225kg and the piston rod is 50mm
diameter. The connecting rod is 1.2m long. When the crank has turned 125˚ from IDC the
steam
pressure above the piston is
30KN/m2.calculate, (i)Crank-pin
effort
(ii)The effective turning moment on the crank shaft. (16)
10. The turning moment diagram for a petrol engine is drawn to a scale of 1mm to 6N-9-9m and the horizontal
scale of 1mm to 1˚.The turning moment repeat itself after every half revolution of the engine. The area above and
below the mean torque line are 305, 710, 50,350,980and 275mm2. The mass of rotating parts is 40kg at a radius
of gyration of 140mm.Clculate the coefficient of fluctuation of speed if the mean speed is 1500rpm. (16)
11. The torque delivered by a two stroke engine is represented by T= (1000+300sin2θ-500cos2θ) N-
m
where θ is the angle turned by the crank from the IDC. The engine speed is 250rpm.The mass of the flywheel is
400kg and radius of gyration 400mm.
Determine , (i)the power
developed
(ii)the total percentage fluctuation of speed
(iii)the angular acceleration of flywheel when the crank has rotated through an angle of 60˚ from the
IDC. (iv) the maximum angular acceleration and retardation of the flywheel.
(16)
