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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 20 of 67 for “"storage tank"”.
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Development of an energy storage tank model
… an implicit finite difference method for energy storage tanks is developed, programmed with MATLAB, and demonstrated for different applications. A set of nodal energy equations is developed by considering the energy interactions on a small control volume. The general method of solving these …
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Effect of Storage Tank Mixing on Water Quality
<p>Storage tanks are used by water systems to maintain pressure in the distribution system and to meet the varying water demands of the system. The design and operation of the storage tanks affect their mixing characteristics which affect the water quality. Poor mixing can lead to stratification in …
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Underground Storage Tank Regulations: a Protocol to Facilitate Implementation
… in a forty-eight state survey (Underground Storage Tank Regulation Implementation) are used to identify the current status of individual state programs. Pertinent Environmental Protection Agency regulations and petroleum industry publications are used to provide additional insight into the …
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Optimization of the bottom plate of a ground-supported liquid storage tank
Several tanks have failed due to intolerable differential settlements, causing major problems in most cases. The objective of this study is to optimize the bottom plate of the tank so that the differential settlements are reduced to a minimum. Circular plates on an elastic half-space are …
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In Service Above Ground Storage Tank Inspection with a Remotely Operated Vehicle (ROV)
… etc. have an existing stock of thousands of storage tanks, the majority of which were manufactured in the sixties. Depending on the field of industry they are used in, these tanks contain environmentally harmful fluids such as gasoline or petroleum oil in the petrochemical industry or acids …
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Investigation of Shroud Geometry to Passively Improve Heat Transfer in a Solar Thermal Storage Tank
… which is situated at the top of a solar thermal storage tank containing water (Pr = 3) with adiabatic walls. The shroud and baffle are modeled as adiabatic, and the geometry of the shroud and baffle are parametrically varied. Nusselt numbers and fractional energy discharge rates are obtained for …
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The Safe Removal of Frozen Air from the Annulus of a Liquid Hydrogen Storage Tank
Large Liquid Hydrogen (LH2) storage tanks are vital infrastructure for NASA. Eventually, air may leak into the evacuated and perlite filled annular region of these tanks. Although the vacuum level is monitored in this region, the extremely cold temperature causes all but the helium and neon …
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Biodegradation of Fuel Oxygenates in Northeastern United States Aquifers with an Analysis of Underground Storage Tank Leaks
… service stations with leaking underground storage tank (LUST) releases located within a variety of hydrogeological conditions in the northeastern United States were screened for lithology, MTBE concentration in ground water, monitoring well network location, and MTBE concentration trends. …
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The economic impacts of alternative underground storage tank regulations on the vulnerable segments of the retail motor fuel market in Virginia
… to all owners and operators of underground storage tanks (USTs) containing petroleum products, and substances listed as hazardous in the Comprehensive Environmental Response Compensation and Liability Act, but not regulated as hazardous waste under RCRA subtitle C. On 17 April 1987, EPA …
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Novel methods and models to validate H2 storage in solid state materials
… improved methodology for the study of hydrogen storage material (HSM) is presented, for the characterization of smaller samples of HSM at increased accuracy. It includes: the realization of innovative differential instrument; a novel approach to the detailed micro kinetic modelling; increase the …
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A comparison of thermal storage models with a solar electric generation system using Trnsys
… models three different types of sensible thermal storages for analysis with use in a solar electric generating system (SEGS) simulation. One component containing a fully mixed, stratified and a plug flow tank model has been developed such that the inputs and parameter specifications are similar so …
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A quasi-steady modeling approach of a heat pump water heater system with experimental validation and analysis
… vapor compression system and the water in the storage tank poses a modeling challenge for steady-state refrigeration system models. The aim of this project is to develop a model and methodology for coupling steady-state vapor compression system modeling with a dynamic condenser cooling medium. …
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Fuel tank corrosion impacts on future fleet readiness
… the integrity of compensated (pressurized) fuel storage tanks. In most cases these leaks require immediate repair to restore the engineering spaces to a safe operating condition, and nearly always impact time-critical fleet operating schedules. This thesis studied cruiser fuel storage tank …
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Possibilities of pre-heating water with the heat obtained by cooling milk in a wet-tank milk cooler
… transfer system, (b) the size and shape of the storage tank, and (c) the losses from the storage tank. 4) The savings in cost of electric energy for operation of the electric water heater are appreciable when heat extracted from cooling milk is used to pre-heat water. In this study, the savings …
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Investigation of a Fuel Cell Based Total Energy System for Residential Applications
… (FCS), an electric heat pump (HP), and a thermal storage tank (TS). A model of a grid-independent, electric load following TES is developed to determine the energy required to meet the hourly average electric and thermal loads of the residence. The TES uses a heat pump to provide space cooling. …
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Development of a Model and Optimal Control Strategy for the Cal Poly Central Plant and Thermal Energy Storage System
… Central Chilled Water Plant with Thermal Energy Storage for use in determining an optimal operating control strategy. The model was developed using a transient systems simulation program (TRNSYS) that includes plant performance and manufacturer data for the primary system components, which are …
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Evaluation of water distribution system monitoring using stochastic dynamic modeling
… a water distribution system containing pumps and storage tanks, and subject to random demands and contaminant inputs. Long term operation of a hypothetical small town water supply system containing one pump station and one storage tank was simulated while the system was subjected to external …
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Simulation of a solar water heating system
… system, using a flat plate collector and solar storage tank, auxiliary to an electric geyser. Temperatures were recorded, solar radiation was measured using a solarimeter and thermosyphon mass flow rates were measured using a thermistor inserted into the flow circuit. Close correlation was …
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