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769 articles for “Record”
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Experimental Investigations on Concentric Flow Dry Ultrasonic Assisted Wire Electric Discharge Machining (CFDUAWEDM) Using Regression Analysis
Abstract: This paper presents an application of concentric flow mode of dry dielectric (compressed air) supply for ultrasonic assisted wire electric discharge machining process (CFDUAWEDM). The concentric flow mode of dielectric supply using ultrasonic assistance is expected to offers improved surface integrity, environmental and operator friendliness during wire electric discharge machining (WEDM) process. Experimental set up was developed wherein, the ultrasonic vibration was applied to the electrode wire using an ultrasonic …
Published in Trends in Machine design · Vol. 3, Issue 2, 2016 · pp. 33–43 Read article
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Passive Capillary Flow of Red Dye in the SU-8 based Glass Microfluidic Devices
Abstract: In this work, total three individual SU-8 based glass microfluidic devices are fabricated by the maskless lithography and indirect bonding technique. Commercially available red coloured food dye is used as working liquid. Individual surface-driven capillary flows of red dye are recorded by the CMOS camera. This work will be useful in bioengineering applications.
Published in Trends in Mechanical Engineering & Technology · Vol. 8, Issue 3, 2018 · pp. 59–61 Read article
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Investigation of Surface Finish and Vibration in Gear Hobbing
Abstract: Gear hobbing is important machining process. The process parameters are expected to influencesurface finish in gear hobbing. Depending upon service requirements, the materials of the gear maybe of different types. A desired level of surface finish and accuracy of gear tooth is neededirrespective of the material of the gear, depending upon type of applications of the gear. The changein process parameters may influence both the vibration and surface finish in …
Published in Trends in Mechanical Engineering & Technology · Vol. 11, Issue 1, 2021 · pp. 28–37 Read article
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UNDERGROUND CABLE FAULT DETECTION CAR
Abstract: Abstract:-Underground cables along with additional buried assistance can be identified and examinedusing an apparatus known as a cable detector. This is carried out by passing a signal into the earth andthen receiving it back through an antenna. Utilising the received signal endurance, the exact positionand depth of the underground question are found. In doing mining and construction work, this helpsprevent unintended injuries. There are numerous different types of underground cable …
Published in Trends in Mechanical Engineering & Technology · Vol. 13, Issue 1, 2023 · pp. 17–21 Read article
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Surface-Driven Capillary Flow of Dyed Aqueous Ethanol in the PMMA Microchannel Fabricated by Maskless Lithography, Hot Embossing Lithography and Direct Bonding Technique
Abstract: AbstractPolymethylmethacrylate (PMMA) as polymer is used to fabricate a dual sudden expansion microchannel by the maskless lithography, hot embossing lithography and direct bonding technique inside the cleanroom laboratory. Dyed aqueous ethanol (90% dyed water, 10% ethanol) is used as working liquid to record the surface-driven capillary flow in the fabricated microfluidic device using a CMOS camera catching 25 frames per second with a corresponding time-scale resolution of 0.04 second. This …
Published in Trends in Opto-electro & Optical Communication · Vol. 8, Issue 3, 2018 · pp. 37–40 Read article
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Real-Life Demonstration on the Surface-Driven Capillary Flow in Microfluidic Devices
Abstract: AbstractIn this research paper, glass and PMMA are chosen as materials to fabricate the microfluidic devices due to the optical transparency of these materials. The microfluidic devices are fabricated by the maskless lithography (non-contact lithography), hot embossing lithography (contact lithography), indirect bonding technique, and direct bonding technique. The surface-driven capillary flow is recorded corresponding to each microfluidic device by a CMOS camera. The colour-images are compared with the gray-scale-images for …
Published in Trends in Opto-electro & Optical Communication · Vol. 6, Issue 2, 2016 · pp. 8–17 Read article
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Effect of Surface Wettability on the Surface-Driven Capillary Flow in SU-8 Microchannels
Abstract: AbstractSU-8 microfluidic devices have been fabricated by the maskless lithography. Passive capillary flow is suitable to manipulate liquid in the lab-on-a-chip systems. The surface-driven capillary flow of dyed water in each microfluidic device has been recorded and analysed. The measured static water contact angles are 72.6°and 81.2° on the hydrogenated amorphous carbon (a-C:H) deposited flat surface and Si-a:C:H deposited flat surface respectively. Either, a-C:H or Si-a:C:H has been deposited on …
Published in Trends in Opto-electro & Optical Communication · Vol. 6, Issue 2, 2016 · pp. 24–29 Read article
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Performance Analysis of EDFA Amplifier for Different Ion Density and Doping Radius
Abstract: AbstractIn communication sector, optical communication is playing a vital role since many years. Efficient transmission of data through optical fiber is one of the major concerns now days to the researchers. Several optical instruments are used to get efficient output after transmission. There are many kinds of optical amplifier. EDFA (Erbium Doped Fiber Amplifier) amplifier is one of the mostly used amplifiers in the recent optical communication system. This paper …
Published in Trends in Opto-electro & Optical Communication · Vol. 5, Issue 3, 2015 · pp. 16–32 Read article
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Short Report on Surface-driven Microfluidic Flow of Dyed Ethanol in Microchannel Bend Fabricated by Optically Transparent Polymer in Cleanroom Environment
Abstract: In this experimental work, a single microchannel bend is fabricated by maskless lithography, hot embossing lithography and direct bonding technique. Polymethylmethacrylate (PMMA) is the chosen optically transparent polymeric material to fabricate the microchannel bend inside the cleanroom laboratory. Dyed ethanol is prepared as working liquid. CMOS camera is used to record the surface-driven capillary flow of dyed ethanol in the fabricated microchannel bend. Effect of centrifugal force on surface-driven capillary …
Published in Trends in Opto-electro & Optical Communication · Vol. 10, Issue 3, 2020 · pp. 1–4 Read article
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Enhanced Graphical Password System with Intelligent User Identification Model
Abstract: Data and authorization security needed everywhere. In case dealing with huge number of data in a cloud server, secured logging is must. This is due to the fact that cloud servers are freely accessible from anywhere at any time. As a result, data should be well-protected against intruders, hackers, and unauthorized users. Furthermore, because log data files frequently contain sensitive information, log records' secrecy and privacy are equally vital. At …
Published in Trends in Opto-electro & Optical Communication · Vol. 11, Issue 3, 2021 · pp. 23–29 Read article
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A Review of Research on Email Security Protocols
Abstract: Email is the most widely recognized approach to impart today. Email is utilized for sending instant messages and to send connection, sounds, and recordings. For business information, exchange email is the main means. It is the most common way to communicate over internet with different people all over the world. In addition, it has had disadvantages like cybercrime, people can use this means of communication for sending false mails spam, …
Published in Trends in Opto-electro & Optical Communication · Vol. 11, Issue 3, 2021 · pp. 15–22 Read article
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CONTRIBUTING FACTORS AND CONTROL MEASURES FOR ROAD TRAFFIC ACCIDENTS IN INDIA
Abstract: ABSTRACTThe report on detailing about road traffic accidents in India is designed by general and collective data with control measures and factors contributing road accidents.Present condition in India has worsened yearly. Statistics shown from 1980 to 2005 road traffic accidents were thousands in number. Due to digitalization development according to SOI survey of India by 2017 population growth increased to 8% since 2011 uniformly vehicle import has been increased to …
Published in Trends in Transport Engineering and Applications · Vol. 5, Issue 2, 2018 · pp. 27–31 Read article
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Dynamic Behavior of Asphalt Stabilized and Grid Reinforced Subgrade Soil
Abstract: The impact of repeated loading (punching shear) on Asphalt stabilized and grid reinforced subgrade soil have been investigated in this study. Specimens of 152mm diameter and 116 mm in height have been prepared, cured, and then tested using the pneumatic repeated load system PRLS. The deformation-load repetitions data were recorded for each case. Data were fed to the finite element software for the modeling process. An assessment was conducted to …
Published in Trends in Transport Engineering and Applications · Vol. 5, Issue 2, 2018 · pp. 1–9 Read article
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Evaluation of Biometric Technology for Class Control
Abstract: ABSTRACTThe productivity of a classroom has a direct correlation with students’ attendance and recording of its effectiveness. The current technology revolution oversees the gradual substitution of the age-old call method, bringing biometrics to the forefront. As a viable alternative to the traditional personal identification system, the concept of biometrics promises tremendous accuracy and speed as it automatically verifies or recognizes the identity of students. Locally, in a large class of …
Published in Current Trends in Information Technology · Vol. 2, Issue 1, 2012 · pp. 1–25 Read article
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A Short Survey of Data Compression Techniques for Column Oriented Databases
Abstract: AbstractColumn oriented data-stores has all values of a single column stored as a row followed by all values of the next column. Such way of storing records helps in data compression since values of the same column are of the similar type and may repeat. This paper surveys the various data compression techniques in column oriented databases. Data compression is efficiently used to save storage space and network bandwidth. It …
Published in Current Trends in Information Technology · Vol. 3, Issue 2, 2013 · pp. 1–6 Read article
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Rough Terrain Robot (R-HEX)
Abstract: The RHex Robot, a power autonomous, untethered, compliant-legged hexapod robot. RHex is based on a Hexapod Robot. RHex has only six actuators one motor located at each hip achieving mechanical simplicity that promotes reliable and robust operation in real-world tasks. The legs rotate full circle, thereby preventing the common problem of toe stubbing in the protraction (swing) phase. An extensive suite of experimental results documents the robot’s significant “intrinsic mobility” …
Published in Current Trends in Information Technology · Vol. 10, Issue 2, 2020 · pp. 18–23 Read article
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An New Approach for Email Security
Abstract: Email is the most widely recognized approach to impart today. Email is utilized for sending instant messages and to send connection and sounds and recordings. For business information exchange email is the main means. It is the most common way to communicate over internet with different people all over the world. Also, it’s had disadvantages like cybercrime, people can use this means of communication for sending false mails spam, dangers, …
Published in Current Trends in Information Technology · Vol. 11, Issue 3, 2021 · pp. 8–11 Read article
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Information Technology in COVID-19 Prevention
Abstract: The era we have these days offers us ammunition everyday, fight this pandemic in ways we in no way formerly notion viable. There are several fitness associated applications which facilitate daily display your health and you may live related everyday a consultant every day everyday even without stepping out of doors. The rapid emergence of the new coronavirus in China has brought the entire world to a standstill. In China's …
Published in Current Trends in Information Technology · Vol. 12, Issue 2, 2022 · pp. 1–6 Read article
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Sentiment Analysis of Twitter Data for Better Services of Airlines Using Classifier-Model Algorithms, AI, and NLP Techniques
Abstract: The rising attractiveness of social media sites and usage of social websites is to share information. Tweet, for instance, is a stage in which audiences direct, and examine posts recognized as “tweets,” and engage together in one-of-a-kind communities through feedback, comments, tweets, and reviews. There are so many companies that want tweets, comments, reviews, and analyses on their products and services, so they can improve their services, products, and customer …
Published in Current Trends in Information Technology · Vol. 12, Issue 3, 2022 · pp. 29–46 Read article
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Denoising of ECG Signal using Savitzky-Golay Filter
Abstract: Noise is character inherent. Any type of signal can be affected by noise at the time of acquisition. Signal noise can be generated from various conditions and it is difficult to avoid. ECG is a graphical structure which represents the functionality of the heart. Good quality of ECG signal will help physicians for better diagnosis. But in real situation ECG recordings are courted by noise and this noise should be …
Published in Journal of Communication Engineering & Systems · Vol. 8, Issue 2, 2018 · pp. 98–104 Read article