This document discusses the design and manufacturing of a magneto-rheological fluid assisted damper. It begins with an abstract and introduction on MR fluids and how they can be used in dampers. It then describes the basic working of MR dampers and different types of MR dampers and suspensions. The document provides details on the manufacturing process of MR fluids, including the composition of materials used. It concludes with the methodology used to manufacture the MR fluid, including mixing iron particles, oleic acid, white grease, and paraffin oil at specific weights and mixing speeds.
Relations between Structural Damage and Level of External Prestressing Force ...drboon
Prestressed concrete beams can be damaged by overloading beyond cracking stage leading to the reduction of flexural rigidity and excessive deflection. The progressive of damage, crack and permanent deflection can be occurred at the high level of load after cracking. Structural performance of damaged girder can be recovered and improved by external post tension. The level of external prestressing force required in strengthening depends directly on the level of damage due to overloading. This research studied the effect of levels of damage on flexural rigidity, crack and deflection of the test girder. Three levels of damage can be expressed in terms of 0.65, 0.75 and 0.85 times the predicted ultimate load of the test beam. Three levels of external prestressing forces (2, 2.5 and 3 times of the internal prestressing force applied in undamaged reference beam) are applied in strengthening at each level of damage. The results show that reduced flexural rigidity, increased permanent deformation and crack width due to overloading can be recovered by external post tension. Strengthening by means of external post tension can be effectively applied to the damaged beam at the level of damage not more than 0.65 times of predicted ultimate load.
High Strain Rate Testing of Materials
Polymers, composites and some metallic materials are viscoelastic and strain-rate sensitive. Under high strain rates the micro mechanisms by which these materials deform is different than that experienced at low strain rates. Consequently, use of quasi-static stress-strain data may not produce accurate and reliable predictions, when such data is used in simulation and Finite element analysis FEA of engineering components.
Stability Analysis of Journal Bearing Using Electro Rheological Fluid by Fini...ijsrd.com
in rotating machinery, the damping of structure which supports the rotating shaft has significant effect in machine vibration. Therefore by controlling the lubricant properties, the dynamic behavior of the system can be controlled. The objective of this paper is to study the dynamic behavior of a rotor supported by a journal bearing and fed with Electro-rheological (ER) fluid. ER fluids can be used to create ‘smart’ journal bearings & vibration controllers can be constructed to control the Stability of the ER fluid lubricated bearings. The ER fluid behaves like a Bingham fluid with a higher viscosity when electric field is applied, and restores its property when the field is removed. A reversible change in viscosity occurs in milliseconds with the electric field applied.
Simulation of Critical Crack Length Propagation Using Fracture Mechanicsijceronline
The focus of this paper is to investigate and analyze the study on the plate of steel, Aluminum and Epoxy with a center crack. Linear elastic fracture mechanics principles have been used for calculating Stress Intensity Factor, Critical crack length, Increment in crack, Mean stress and strain Amplitude at critical fatigue load cycles. Above calculations will be done on the plate with centre crack of various materials (steel, aluminum and epoxy) to predict crack length to evaluate and to compare the results with theoretical calculations. .Conclusions/results obtained on the basis of analysis.
Relations between Structural Damage and Level of External Prestressing Force ...drboon
Prestressed concrete beams can be damaged by overloading beyond cracking stage leading to the reduction of flexural rigidity and excessive deflection. The progressive of damage, crack and permanent deflection can be occurred at the high level of load after cracking. Structural performance of damaged girder can be recovered and improved by external post tension. The level of external prestressing force required in strengthening depends directly on the level of damage due to overloading. This research studied the effect of levels of damage on flexural rigidity, crack and deflection of the test girder. Three levels of damage can be expressed in terms of 0.65, 0.75 and 0.85 times the predicted ultimate load of the test beam. Three levels of external prestressing forces (2, 2.5 and 3 times of the internal prestressing force applied in undamaged reference beam) are applied in strengthening at each level of damage. The results show that reduced flexural rigidity, increased permanent deformation and crack width due to overloading can be recovered by external post tension. Strengthening by means of external post tension can be effectively applied to the damaged beam at the level of damage not more than 0.65 times of predicted ultimate load.
High Strain Rate Testing of Materials
Polymers, composites and some metallic materials are viscoelastic and strain-rate sensitive. Under high strain rates the micro mechanisms by which these materials deform is different than that experienced at low strain rates. Consequently, use of quasi-static stress-strain data may not produce accurate and reliable predictions, when such data is used in simulation and Finite element analysis FEA of engineering components.
Stability Analysis of Journal Bearing Using Electro Rheological Fluid by Fini...ijsrd.com
in rotating machinery, the damping of structure which supports the rotating shaft has significant effect in machine vibration. Therefore by controlling the lubricant properties, the dynamic behavior of the system can be controlled. The objective of this paper is to study the dynamic behavior of a rotor supported by a journal bearing and fed with Electro-rheological (ER) fluid. ER fluids can be used to create ‘smart’ journal bearings & vibration controllers can be constructed to control the Stability of the ER fluid lubricated bearings. The ER fluid behaves like a Bingham fluid with a higher viscosity when electric field is applied, and restores its property when the field is removed. A reversible change in viscosity occurs in milliseconds with the electric field applied.
Simulation of Critical Crack Length Propagation Using Fracture Mechanicsijceronline
The focus of this paper is to investigate and analyze the study on the plate of steel, Aluminum and Epoxy with a center crack. Linear elastic fracture mechanics principles have been used for calculating Stress Intensity Factor, Critical crack length, Increment in crack, Mean stress and strain Amplitude at critical fatigue load cycles. Above calculations will be done on the plate with centre crack of various materials (steel, aluminum and epoxy) to predict crack length to evaluate and to compare the results with theoretical calculations. .Conclusions/results obtained on the basis of analysis.
International Journal of Computational Engineering Research(IJCER)ijceronline
International Journal of Computational Engineering Research(IJCER) is an intentional online Journal in English monthly publishing journal. This Journal publish original research work that contributes significantly to further the scientific knowledge in engineering and Technology.
The quest for an engine to increase mileage has started before many years. Many automobile
manufacturing industries are doing more research on how to increase mileage of vehicle. In today’s
automobile competition every manufacturer is focusing on weight reduction of vehicle by considering
this objective, this paper focuses on providing alternative material. The objective of the present work is
to optimize weight reduction to increase mileage of vehicle. Saving grams at different parts in a car
helps us in saving some kilograms at the end of the design. Also the main material like polyimide for
automobile component manufacturing can be the best alternative solution in all respect. The focus of
this paper is on weight reduction of master cylinder. For modeling and analysis PRO-E and ANSYS is
used. The results obtained are comparatively better than existing materials and polyimide can be the
alternative solution for automotive component.
Introduction to Magneto-Rheological Fluid Technology & Its Applicationijiert bestjournal
Magnetorheological (MR) fluid damper are semi active control device that have been applied
a wide range of practical vibration control application. In this study, the methodology adopted
to get a control structure is based on the experimental results. An Experiment has been
conducted to establish the behaviour of the MR damper. In this paper, the behaviour of MR
damper is studied and used in implementing vibration control. The force displacement and
force‐velocity response with varying current has been established for the MR damper. In this
paper we investigated theoretically at fabricated Magnetorheological damper by using
Magnetorheological fluid. Here MR fluid developed first by mixing of prepared nano size
(fe3o4) iron particle by co precipitation method. And a comparative study had done between
these iron particles prepared MR fluid. Here an experimental performed on fabricated MR
damper and discussed the behaviour of MR damper.
Experimental Study of the Fatigue Strength of Glass fiber epoxy and Chapstan ...IJMER
International Journal of Modern Engineering Research (IJMER) is Peer reviewed, online Journal. It serves as an international archival forum of scholarly research related to engineering and science education.
International Journal of Computational Engineering Research(IJCER)ijceronline
International Journal of Computational Engineering Research(IJCER) is an intentional online Journal in English monthly publishing journal. This Journal publish original research work that contributes significantly to further the scientific knowledge in engineering and Technology.
The quest for an engine to increase mileage has started before many years. Many automobile
manufacturing industries are doing more research on how to increase mileage of vehicle. In today’s
automobile competition every manufacturer is focusing on weight reduction of vehicle by considering
this objective, this paper focuses on providing alternative material. The objective of the present work is
to optimize weight reduction to increase mileage of vehicle. Saving grams at different parts in a car
helps us in saving some kilograms at the end of the design. Also the main material like polyimide for
automobile component manufacturing can be the best alternative solution in all respect. The focus of
this paper is on weight reduction of master cylinder. For modeling and analysis PRO-E and ANSYS is
used. The results obtained are comparatively better than existing materials and polyimide can be the
alternative solution for automotive component.
Introduction to Magneto-Rheological Fluid Technology & Its Applicationijiert bestjournal
Magnetorheological (MR) fluid damper are semi active control device that have been applied
a wide range of practical vibration control application. In this study, the methodology adopted
to get a control structure is based on the experimental results. An Experiment has been
conducted to establish the behaviour of the MR damper. In this paper, the behaviour of MR
damper is studied and used in implementing vibration control. The force displacement and
force‐velocity response with varying current has been established for the MR damper. In this
paper we investigated theoretically at fabricated Magnetorheological damper by using
Magnetorheological fluid. Here MR fluid developed first by mixing of prepared nano size
(fe3o4) iron particle by co precipitation method. And a comparative study had done between
these iron particles prepared MR fluid. Here an experimental performed on fabricated MR
damper and discussed the behaviour of MR damper.
Experimental Study of the Fatigue Strength of Glass fiber epoxy and Chapstan ...IJMER
International Journal of Modern Engineering Research (IJMER) is Peer reviewed, online Journal. It serves as an international archival forum of scholarly research related to engineering and science education.
About
Indigenized remote control interface card suitable for MAFI system CCR equipment. Compatible for IDM8000 CCR. Backplane mounted serial and TCP/Ethernet communication module for CCR remote access. IDM 8000 CCR remote control on serial and TCP protocol.
• Remote control: Parallel or serial interface.
• Compatible with MAFI CCR system.
• Compatible with IDM8000 CCR.
• Compatible with Backplane mount serial communication.
• Compatible with commercial and Defence aviation CCR system.
• Remote control system for accessing CCR and allied system over serial or TCP.
• Indigenized local Support/presence in India.
• Easy in configuration using DIP switches.
Technical Specifications
Indigenized remote control interface card suitable for MAFI system CCR equipment. Compatible for IDM8000 CCR. Backplane mounted serial and TCP/Ethernet communication module for CCR remote access. IDM 8000 CCR remote control on serial and TCP protocol.
Key Features
Indigenized remote control interface card suitable for MAFI system CCR equipment. Compatible for IDM8000 CCR. Backplane mounted serial and TCP/Ethernet communication module for CCR remote access. IDM 8000 CCR remote control on serial and TCP protocol.
• Remote control: Parallel or serial interface
• Compatible with MAFI CCR system
• Copatiable with IDM8000 CCR
• Compatible with Backplane mount serial communication.
• Compatible with commercial and Defence aviation CCR system.
• Remote control system for accessing CCR and allied system over serial or TCP.
• Indigenized local Support/presence in India.
Application
• Remote control: Parallel or serial interface.
• Compatible with MAFI CCR system.
• Compatible with IDM8000 CCR.
• Compatible with Backplane mount serial communication.
• Compatible with commercial and Defence aviation CCR system.
• Remote control system for accessing CCR and allied system over serial or TCP.
• Indigenized local Support/presence in India.
• Easy in configuration using DIP switches.
Explore the innovative world of trenchless pipe repair with our comprehensive guide, "The Benefits and Techniques of Trenchless Pipe Repair." This document delves into the modern methods of repairing underground pipes without the need for extensive excavation, highlighting the numerous advantages and the latest techniques used in the industry.
Learn about the cost savings, reduced environmental impact, and minimal disruption associated with trenchless technology. Discover detailed explanations of popular techniques such as pipe bursting, cured-in-place pipe (CIPP) lining, and directional drilling. Understand how these methods can be applied to various types of infrastructure, from residential plumbing to large-scale municipal systems.
Ideal for homeowners, contractors, engineers, and anyone interested in modern plumbing solutions, this guide provides valuable insights into why trenchless pipe repair is becoming the preferred choice for pipe rehabilitation. Stay informed about the latest advancements and best practices in the field.
Hybrid optimization of pumped hydro system and solar- Engr. Abdul-Azeez.pdffxintegritypublishin
Advancements in technology unveil a myriad of electrical and electronic breakthroughs geared towards efficiently harnessing limited resources to meet human energy demands. The optimization of hybrid solar PV panels and pumped hydro energy supply systems plays a pivotal role in utilizing natural resources effectively. This initiative not only benefits humanity but also fosters environmental sustainability. The study investigated the design optimization of these hybrid systems, focusing on understanding solar radiation patterns, identifying geographical influences on solar radiation, formulating a mathematical model for system optimization, and determining the optimal configuration of PV panels and pumped hydro storage. Through a comparative analysis approach and eight weeks of data collection, the study addressed key research questions related to solar radiation patterns and optimal system design. The findings highlighted regions with heightened solar radiation levels, showcasing substantial potential for power generation and emphasizing the system's efficiency. Optimizing system design significantly boosted power generation, promoted renewable energy utilization, and enhanced energy storage capacity. The study underscored the benefits of optimizing hybrid solar PV panels and pumped hydro energy supply systems for sustainable energy usage. Optimizing the design of solar PV panels and pumped hydro energy supply systems as examined across diverse climatic conditions in a developing country, not only enhances power generation but also improves the integration of renewable energy sources and boosts energy storage capacities, particularly beneficial for less economically prosperous regions. Additionally, the study provides valuable insights for advancing energy research in economically viable areas. Recommendations included conducting site-specific assessments, utilizing advanced modeling tools, implementing regular maintenance protocols, and enhancing communication among system components.
Forklift Classes Overview by Intella PartsIntella Parts
Discover the different forklift classes and their specific applications. Learn how to choose the right forklift for your needs to ensure safety, efficiency, and compliance in your operations.
For more technical information, visit our website https://intellaparts.com
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
NO1 Uk best vashikaran specialist in delhi vashikaran baba near me online vas...Amil Baba Dawood bangali
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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.
Industrial Training at Shahjalal Fertilizer Company Limited (SFCL)MdTanvirMahtab2
This presentation is about the working procedure of Shahjalal Fertilizer Company Limited (SFCL). A Govt. owned Company of Bangladesh Chemical Industries Corporation under Ministry of Industries.
Sachpazis:Terzaghi Bearing Capacity Estimation in simple terms with Calculati...Dr.Costas Sachpazis
Terzaghi's soil bearing capacity theory, developed by Karl Terzaghi, is a fundamental principle in geotechnical engineering used to determine the bearing capacity of shallow foundations. This theory provides a method to calculate the ultimate bearing capacity of soil, which is the maximum load per unit area that the soil can support without undergoing shear failure. The Calculation HTML Code included.
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.
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.
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.