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200 articles for “Pitting”
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Analysis of the Extent of Patients’ Rehabilitation from Knee Injuries or Surgery using Recovery Indices
Abstract: Many major knee surgeries or injuries have long rehabilitation periods, during which the patients may have abnormal gait cycles. The patient transitions to independent exercises performed at home, which are crucial to recovery. Doctors need to have a means to closely track patients exercises for proper recovery. This research utilizes statistical analysis tools, which is applied to analyze gait parameters of patients undergoing the rehabilitation process at different stages of …
Published in Journal of Mechatronics and Automation · Vol. 4, Issue 3, 2017 · pp. 27–40 Read article
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Maximum Power Point Tracking of a Variable Speed Permanent Magnet Synchronous Generator Based Wind Energy Conversion System
Abstract: Wind turbines produce maximum power at the optimal tip-speed ratio. Fixed speed wind turbines are inefficient because the turbine blades rotate at a specific mechanical speed irrespective of the prevailing wind speed. The system is therefore, not able to extract the maximum possible amount of power. In this work, a maximum power point tracking scheme for a variable-speed permanent magnet synchronous generator based wind energy conversion system is implemented in …
Published in Journal of Power Electronics and Power Systems · Vol. 5, Issue 3, 2015 · pp. 35–51 Read article
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Modeling and Control of A Grid Connected Wind Turbine Power System Under Variable Wind Speeds Using Doubly-Fed Induction Machine
Abstract: This paper focuses on the development of wind turbine system and extracting maximum power for variable speed constant frequency grid connected wind turbine power system with doubly fed induction generator. A voltage oriented control scheme is used for the control of both rotor side and grid side circuit. Pitch control mechanism is implemented for the power limitation at a wind speed greater than the rated speed. The DFIM stator side …
Published in Journal of Power Electronics and Power Systems · Vol. 5, Issue 3, 2015 · pp. 108–124 Read article
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Research Paper on Design Analysis of Bucket of JCB 3dx Model
Abstract: JCB machines principal functions are Digging (material removing), Ground leveling and material transport operations. Backhoe attachment is rear part of Excavator machine. The backhoe attachment is subjected to static as well as dynamic forces. Because of several working conditions, Excavator parts, like bucket, arm, and boom are subjected to high loads .Thus, it is necessary to provide a better design of parts having maximum reliability, keeping design safe under loading …
Published in Journal of Production Research & Management · Vol. 11, Issue 1, 2021 · pp. 37–41 Read article
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Design of Block Cipher Based Lightweight Cryptography for Image Encryption Decryption Process
Abstract: The Internet of Things (IOT) is a promising future technology that will connect billions of devices.More correspondence is expected to be delivered. Information security and data pinnacles can bedangerous. The size of the device in this engineering is basically small, and it uses very little power.Many rounds of encryption are basically a waste of Gadget vitality requirements. However, a lesscomplicated calculation, conceivable compromise, necessitated uprightness. It is a 64-bit squaresecret …
Published in Journal of Production Research & Management · Vol. 11, Issue 1, 2021 · pp. 53–63 Read article
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Study on Variation of Bond using Anti Corrosive Reagents on Reinforcing Steel Bar
Abstract: Variation of bond stress with different anti corrosive reagent was determined. When bar is embedded in concrete it is corroded in course of time and corrosion products form pit or holes on the surface of reinforcing bar and reduce cross sectional area of steel and also reduce bond capacity. To protect corrosion, different anti corrosive reagent are available in the market. But the effect of bond, of reinforcing bar with …
Published in Journal of Structural Engineering and Management · Vol. 1, Issue 1, 2014 · pp. 22–36 Read article
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Sun Powered Vitality through Sun Powered Space Stations
Abstract: Traditional vitality sources will last just up to the center of the following century because of improvement in expectation for everyday comforts and hazardous populace development. Sun oriented power from space (SPS) guarantees spotless and everlasting vitality supply for the development of the humanity. With the condition of workmanship advancements yet created, SPS is attainable however not monetary. Key issues with respect to SPS are dispatch taken a toll, productivity …
Published in Journal of Telecommunication, Switching Systems and Networks · Vol. 4, Issue 3, 2017 · pp. 16–21 Read article
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ENGINEERING ASSESSMENT OF WATER TREATMENT METHODS FOR PUBLIC HEALTH IN OGUN STATE, SOUTH-WESTERN NIGERIA
Abstract: Water and sanitation are important determinant of public health and there is a need to evaluate it. Method used was a descriptive qualitative assessment of sanitation and water handling practices in some rural areas of Ogun State Nigeria was conducted. Results: The results obtained showed that about 30% do not have toilet facility while 55.6% had pit latrine. Only 20.8% had a closed dustbin, open dustbin (37.2%) while 42.0% had …
Published in Journal of Water Resource Engineering and Management · Vol. 5, Issue 3, 2018 · pp. 8–16 Read article
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Calibration And Comparison Of An Improved Rotatable Single Hole Probe In 4, 6 And 8 Positions
Abstract: An improved single hole probe with a measurement volume of 0.3 mm dia. is developed in the present investigation. The probe is calibrated in a low turbulence open jet tunnel at a velocity of 50 m/s in yaw and pitch angle range of + 40 deg. at an interval of 5 deg. A special probe holder is developed so that the probe can be positioned at intervals of 15 deg. …
Published in Recent Trends in Fluid Mechanics · Vol. 8, Issue 2, 2021 · pp. 25–36 Read article
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A Review on Shell and Tube Heat Exchanger Design Optimization
Abstract: Shell and Tube Heat Exchangers are extensively used throughout the process industry. The design optimization of S&T Heat Exchanger involves the consideration of many interacting design parameters which can be summarized as Process fluid allocation to shell side or tube side, setting pressure drop design limitation, setting velocity limits, fouling coefficients, selection of type of heat exchanger, layout as per TEMA and number of passes. Different Tube parameters like size, …
Published in Trends in Machine design · Vol. 5, Issue 2, 2018 · pp. 42–53 Read article
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Whole-body Vibration among Operators of Mining Equipment in Indian Mining Condition: a Short Review and Recommendation
Abstract: The article focuses on the study of vibration control of heavy equipment mining machines (HEMMs), and its effect on workers involved in mining work. An effort has been made to study whole-body vibration (WBV) in open pit mining based on seat design factors. Mining machinery operators are exposed to WBV. The effect of these occupational hazards is slow, but it can be demonstrated that it is a serious cause of …
Published in Trends in Machine design · Vol. 6, Issue 3, 2019 · pp. 23–27 Read article
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Application of Full Factorial Design for Optimizing Variables of Hydraulic Plunger Spring
Abstract: Compression Helical Spring has various applications in automobile. Spring stores the energy of deformation due to applied load and remains its original position, shape or size after the load is removed. Springs are further classified as leaf springs, springs. The design parameters of spring manufacturing consists of spring rate, pitch, free length, wire diameter, flat/round ends, circular ends, number of turns etc. Various researchers have conduct observations on springs with …
Published in Trends in Machine design · Vol. 7, Issue 1, 2020 · pp. 17–22 Read article
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Kinetic study of a bipedal humanoid robot and mode of the spherical inverted pendulum
Abstract: Studies on an anthropomorphic biped walking robot have led to the expectation that a bipedal humanoid robot will actively participate in human living environments. The authors created the human-size 35 active DOF bipedal humanoid robot "WABIAN" and the human-size 41 active DOF bipedal humanoid robot "WABIAN-R" as the initial step in creating a bipedal humanoid robot. The authors also put forth a fundamental method of controlling whole-body cooperative dynamic biped …
Published in Trends in Machine design · Vol. 9, Issue 3, 2022 · pp. 29–34 Read article
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Modelling of Spot Weld Features Using Solid Works and Experimental Modal Analysis of Resistance Spot Welded Thin Sheets of Low Carbon Steel Panels
Abstract: Resistance Spot Welding of thin (RSW) low carbon steel sheets are widely used in automotive, aero-space sectors, furniture, medical equipments, packaging and electronics industries. Although, RSW is well established for low thickness sheets and static design guidelines are well defined, the dynamic analysis of spot welded panels has not been studied in detail. In this paper, solid modeling is done using Solid Works incorporating all the spot weld geometrical features …
Published in Trends in Machine design · Vol. 10, Issue 3, 2023 · pp. 29–39 Read article
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Comparison Study of Longitudinal Rectangular and Helical Fins in the Annulus Side of Double Pipe Heat Exchanger
Abstract: A comparison of experimental study is made between the enhancement of heat transfer in the horizontal double pipes with helical fins and longitudinal rectangular fins in the annulus side. The material is copper with inner tube internal diameter 10 mm, inner tube thickness 1 mm, outer tube external diameter 40 mm, outer tube thickness 1.5 mm, pitch length of 50, 75 and 100 mm, heat exchanger length 1100 mm for …
Published in Trends in Mechanical Engineering & Technology · Vol. 7, Issue 3, 2017 · pp. 29–35 Read article
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Review of Forging Defect and its Remedies
Abstract: The objective of this paper is to identify different forging defect that are occurs during forging fora component and also the various forging processes. Initially,someimportantforgingtermsthatarewidelyused in this field are discussed. A detaildescription and classification of forging process and defects given. Design parameters, requirement and proper selection of die material are briefly discussed. Various forging defects which occurs regularly along with their causes and remedies are discussed.Afterthat identify the possible causes …
Published in Trends in Mechanical Engineering & Technology · Vol. 10, Issue 2, 2020 · pp. 5–10 Read article
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Identification of English Dialects and Emotions using Spectral and Prosodic Features of Speech Signal Processing
Abstract: AbstractIn this paper, the authors have explored speech features to identify English dialects and emotions. A dialect is any distinguishable variety of a language spoken by a group of people. Emotions provide naturalness to speech. Speech database considered for dialect identification task consists of spontaneous speech spoken by male and female speakers. The emotions considered in this study are anger, disgust, fear, happy, neutral and sad. Prosodic and spectral features …
Published in Journal of Computer Technology & Applications · Vol. 4, Issue 2, 2013 · pp. 10–17 Read article
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Brain Tumor Detection Using Image Processing
Abstract: Brain tumor means the aggregation of abnormal cells in some tissues of the brain. Brain tumor can be cancerous or noncancerous. The most common types of brain tumors are Glioma, Meningioma and Pituitary tumor. Early detection of tumor cells is essential in-patient treatment and recovery. A brain tumor is typically diagnosed through a lengthy and complicated process. The MRI images of various patients at various stages can be used for …
Published in Journal of Computer Technology & Applications · Vol. 13, Issue 2, 2022 · pp. 8–14 Read article
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Comparative Analysis of a Lie Detector using Support Vector Machine, Naive Bayes, and Random Forest Algorithm with Speech to Text Conversion
Abstract: Lie detection, additionally known as deception detection, uses questioning techniques to determine truth and falsehood in response. Physiological responses like vital sign, blood pressure, heartbeat, and respiratory rate are used to discriminate between truth and lie. Once we lie, our blood pressure goes up, our heart beats quicker, we have a tendency to breathe faster (and our breathing slows once the lie has been told), and changes occur in our …
Published in Research & Reviews: A Journal of Embedded System & Applications · Vol. 9, Issue 1, 2021 · pp. 13–18 Read article
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Vyayama (Exercise)—an Ayurvedic Viewpoint
Abstract: Vyayama (exercise) has been an imperative component of the Ayurvedic practice for many years. Ancient scholars have specified a lot prominence of it since Vyayama has many benefits on the mindset and body. Currently, people are suffering from various diseases such as obesity, diabetes mellitus, cardiovascular disease, joint diseases and diseases due to ageing etc. The reason of these diseases is established, that is, lack of work out. Exercise in …
Published in Journal of AYUSH: Ayurveda, Yoga, Unani, Siddha and Homeopathy · Vol. 8, Issue 3, 2019 · pp. 30–32 Read article