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.
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Showing 1 to 18 of 18 for “"Equipment Performance"”.
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Maintenance strategies affecting equipment performance
… maintenance policy can be developed if the performance of the equipment under this category can be related to some predictive modelling. A novel fouling model has been proposed to determine cleaning strategies of condensers, Condition-based maintenance policies have been investigated. A …
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Improving equipment performance through queueing model applications
Thesis (M.S.)--Massachusetts Institute of Technology, Sloan School of Management, 1995, and Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1995.
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Predicting dewatering equipment performance from laboratory tests
… filter press. Pressure was varied to develop performance characteristics with respect to cake and filtrate solids, and polymer demand. The second part of the study consisted of mixing intensity tests conducted to evaluate the effect of shear on dewatering in sludges. The third part of the …
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Evaluation of performance graded asphalt binder equipment and testing protocol
… (Superior Performing Asphalt Pavements) and the Performance Graded (PG) asphalt binder tests and specifications. The Performance Graded asphalt binder specifications were developed to address the shortcomings of the previous asphalt grading systems.;The objective of this research was to …
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RISK ASSESSMENT AND MITIGATION OF TELECOM EQUIPMENT UNDER FREE AIR COOLING CONDITIONS
… environment, which may adversely affect the performance and reliability of telecom equipment. This thesis reviews the challenges and risks posed by free air cooling. The increased temperature, uncontrolled humidity, and possible contamination may cause some failure mechanisms, e.g., …
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Application of a Maintenance Management Model Based on LEAN TPM to Increase OEE in Canning SMEs
Regardless of the factory type, the performance of machinery is an important factor to be competitive. To ensure optimal equipment performance, many companies focus on establishing continuous improvement programs. This is the reason why there are methods, with the final purpose to increase the …
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Heat recovery and thermal storage : a study of the Massachusetts State Transportation Building
… include both energy savings and operating and equipment cost savings when compared to more conventional building heating and cooling systems. The study involved monitoring of equipment performance, computer simulation of the building energy system dynamics, and analysis of actual and modelled …
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Improving production yields in bio-pharmaceutical filter media
… to maximize OEE with respect to product yield, equipment performance and availability. The variation identification, reduction and process control methodologies presented in this thesis are demonstrated to advance the goal of reducing production yield variation. The impact of the work has been …
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Improving shipboard applications of non-intrusive load monitoring
The Non-Intrusive Load Monitor (NILM) measures equipment performance by measuring and analyzing the source power to the equipment at a single point in the electrical system. Previous studies have proven the usefulness of the NILM system in characterizing the state of mechanical systems onboard U.S. …
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Coupled fluid-thermal analysis of low-pressure sublimation and condensation with application to freeze-drying
… in the process. As a result, the design of equipment and associated processes has been largely empirical, slow and inefficient.^ A comprehensive simulation framework to predict both, process and equipment performance is critical to improve current practice. A part of the dissertation is …
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Aircraft system safety : a new approach to assessing in-service performance
Increasingly stringent equipment performance and reliability requirements are being specified to the aerospace industry by aircraft manufacturers, driven by the expectations of both certification authorities and operators. The reality is that aircraft system and equipment reliability in service can …
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Fault Detection And Diagnosis For Air Conditioners And Heat Pumps Based On Virtual Sensors
… develop and demonstrate an integrated, on-line performance monitoring and diagnostic system with low cost sensors for air conditioning and heat pump equipment. Automated fault detection and diagnostics (FDD) has the potential for improving energy efficiency along with reducing service costs and …
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Abrasive wear with particular reference to digger teeth
… wear is the main reason for component and equipment repair or replacement. In most of these applications, especially those of earth moving, construction and mining equipment, digger teeth are used to improve equipment performance. Digger teeth can be produced in different shapes and sizes …
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Energy valorization of agro-industrial wastes and sweet sorghum for the production of gaseous biofuels through anaerobic digestion
… homogeneous mixture increasing both process and equipment performance. This study focused on the valorization of agro-industrial wastes (such as olive mill wastewater (OMW), cheese whey (CW) and liquid cow manure (LCM)) and sweet sorghum stalks. Olive mills, cheese factories and cow farms are …
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Implementation of a System for Monitoring Overall Equipment Effectiveness (OEE) and Exploring Correlation Between OEE and Process Capability
An effective process equipment monitoring tool widely accepted in manufacturing units today is overall equipment effectiveness (OEE). OEE began its debut as a pillar of the total productive maintenance (TPM) system, where the goals are to increase the reliability and availability of equipment so …
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The effect of overloading on reliability of wheel loader structural components
… between the productivity of material handling equipment, specifically wheel loaders, and their ability to operate reliably when subjected to high overload conditions. The overall aim is to determine the effect of overloading the bucket on wheel loader reliability. The specific objectives of the …
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Detailed Haul Unit Performance Model
… to plan the operation, select the appropriate equipment and use the haul units efficiently in order to obtain the maximum productivity. Maximizing productivity is one of construction project management personnel's primary objectives, but can also be one of their greatest challenges. The need …
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Modeling the Production of Microalgal Biodiesel
… biodiesel are inconclusive, with wide ranges for performance measures such as Net Energy Return and manufacturing cost. The goals of this research are to develop an integrated techno–economic life cycle inventory model of microalgal biodiesel production, create a base case that simulates proven …