Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 20 of 186 for “"TJ Mechanical engineering and machinery"”.
-
Development of deflector flat spray nozzle with mixed of water and organic citric acid for emissions trap and cooling in the kitchen hood ventilation system
… to increased pollution rate, especially air and water pollution. Recently, several technologies and research are developed to improve the commercial kitchen industry, especially in hotels and restaurants. The function of kitchen hood is to remove gas, odour, heat and steam during cooking …
-
Design of segmental rotor and non-overlap windings in single-phase fefsm for low torque high speed applications
… motor (FEFSM) using segmental rotor structure and non-overlap windings arrangement is proposed in order to overcome the drawbacks of low torque and small power performances due to their longer flux path in the single-phase FEFSM using salient rotor structure and overlap windings arrangement. …
-
Analysis of rbd palm olein abrasive blasting as new metal surface cleaning method
… to reduce the dust release into the environment and named as wet abrasive blasting process. However, water causes corrosion to metal surface. In this study, analysis of RBD palm olein as an alternative to the use of water in wet abrasive blasting process was investigated. The analysis in this …
-
A COMPUTATIONAL APPROACH TO FRETTING WEAR PREDICTION IN TOTAL HIP REPLACEMENTS
A challenge in engineering coupling design is the understanding of performance of contact geometry for a given application. “Wear” is one of a number of mechanical failures that can occur in mechanical coupling design. “Fretting wear” occurs where surfaces in contact are subjected to oscillating …
-
Conceptual Design and Simulation of An Inverted Pendulum Wheelchair
… especially for improving better mobility and comfort to help disabled people has led to an investigation into spherical inverted pendulum wheelchair concept. The wheelchair's concept is based around the dynamic and control of spherical inverted pendulum.The investigation starts with the …
-
The use of laboratory erosion tests for the prediction of wear in pneumatic conveyor bends
… a link between a laboratory erosion tester and erosion tests on a pneumatic conveyor would lead to the development of an inexpensive way of predicting the life of a pipe bend operating under any given set of conveying conditions. An extensive literature review was carried out. From this it …
-
A comparison between the pressure gradients in vertical and horizontal pneumatic conveying, with an investigation into the effect of pipeline bore in vertical conveying
… for the identical conveying conditions and double the pressure gradient in the horizontal pipeline to give the pressure gradient in the vertical pipeline. In addition, scaling for pipeline bore in vertical pipelines is simply undertaken by considering the change in cross-sectional area. …
-
The application of estimation and control techniques in 2 modes of exercise for the spinal cord injured
… injury (SCI) can result in a loss of sensory and motor capacity, dysfunction of the autonomic nervous system and also in a number of secondary health conditions including muscular atrophy, cardiovascular disease and osteoporosis. The impact of these secondary health conditions may be reduced …
-
Development and Deployment of Involute Splines Cold Forming Process for Gear Manufacturing
… from forgings to the final part. A new standard has been set for manufacturing of spline rolled gears. The final vehicle applications comprised of various automotive model variants. It is a report that provides a background into the theoretical and practical principles of cold metal …
-
Experimental Testing and Numerical Investigation of Materials with Embedded Systems during Indentation and Complex Loading Conditions
… FE (Finite Element) modelling has been developed and used to study the deformation of soft materials with different embedded systems under indentation and more complex conditions. The deformation of a soft material with an embedded stiffer layer under cylindrical flat indenter was investigated …
-
Development of a Closed Loop Control System for Vibratory Milling
Manufacturing makes ever-increasing demands for higher machining speeds. This is particularly true in car and aircraft production, but also for cutting tools. Vibration is used in various technological processes to improve the performance of the machines by intelligently exploiting the synergy of …
-
Pressure drop and flow characteristics for the pneumatic transport of fine particles through curved and straight circular pipes
… the analysis of which provides a better understanding of the pressure drop and flow characteristics of pneumatically transported solid particles. The versatility of the test rig is demonstrated by the diversity of the investigations performed during this study. Quantitative results were acquired …
-
An investigation into vibration assisted machining : application to surface grinding processes
… this, further necessary parameters were examined and analysed. A first step was to design the vibrating rig and after a number of different designs the most suitable model was selected for the conduction of the preliminary studies. However, a novel-improved system was designed and manufactured in …
-
Parametric Studies Based Mechanical and Thermal Modelling of Spot Welded Joints
… for the investigation of spot weld properties and performance. An Inverse temperature measurement approach has been established to predict the thermal history of a spot welded joints using remote thermocouples. This method incorporated the experimental data into an Artificial Neural Network …
-
Numerical and experimental investigation of mechanical strength of spot welded joints
… ies of materials has been systematically studied and used to characterise detailed properties of spot welded joints in steel. An inverse program based on a dual indenter approach and continuous indentation curves has been established and validated, which provided the framework for an improved …
Page 1 of 10