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 20 of 99 for “"thermal response"”.
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Thermal Response Behavior of Laminar Boundary Layer in Wedge Flow
Made available in DSpace on 2014-12-09T17:13:48Z (GMT). No. of bitstreams: 1 7013277.pdf: 9751758 bytes, checksum: 8dd227874e1a1b48556b4f9e0a14104c (MD5) Previous issue date: 1969
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Dynamic thermal response of buildings resulting from heating and cooling interruptions
… of various characteristics on the temperature response during unusual operating and extreme weather conditions. The analytical model was validated using published experimental data and numerical results from well-known computer codes. The effect of including radiation heat transfer between …
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Mechanochemical approaches to MOF glasses and the thermal response of amorphous MOFs
… correlations between chemical composition and thermal, surface and mechanical properties can be drawn. Further to the large scale production of ZIF glasses, we also investigate how mechanochemistry can be used to directly form amorphous ZIFs which exhibit glassy behaviour, without undergoing a …
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Adapting a human thermoregulation model for predicting the thermal response of older persons
… model has been adapted for predicting the thermal response of Typical Older Persons. The model known as the Older Persons Model predicts the core body temperature and regulatory responses of the older people in environmental exposures of cold, warm and hot. The model was developed by …
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Application of the Thermal Response Factor Method to Building Elements With Air Cavities
Made available in DSpace on 2014-12-10T22:48:22Z (GMT). No. of bitstreams: 1 7412127.pdf: 5933633 bytes, checksum: 656b4fa50e8f080f9080a752fa0748c4 (MD5) Previous issue date: 1973
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Experimental and Analytical Investigation of the Transient Thermal Response of Air Cooled Data Centers
<p>This work investigates the transient response of the thermal environment in air cooled data centers through experiments, analytical and computational tools. The key thermal characteristics of the various data center components were extracted from a set of experiments. This includes the …
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Thermal Response of Integral Abutment Bridges With Mse Walls: Numerical Analyses and a Practical Analysis Tool
… not been developed to account for the impacts of thermal displacements on abutment and foundation components, including the components of mechanically stabilized earth (MSE) walls that are often used around the abutment piling. During this research, over 65 three-dimensional numerical analyses …
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The Varied Thermal Response of Magnetic Iron-Oxide Nanoparticles During Induction Heating in Liquid and Solid-Liquid Phase Change Mediums
<p>This study investigates the induction heating response of uncapped iron oxide nanoparticles sonically dispersed as a nanofluid and mechanically distributed in solid phase change materials. The nanoparticles examined have a mean diameter of 14.42 nm and are magnetically heated in an alternating …
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Ultra-sensitive Mid-infrared Detection Using Phononic Crystal Resonator-based Oscillator
… which offer high responsivity and fast response time but typically require cryogenic cooling, and (2) thermal-based sensors, which can operate at room temperature but suffer from low sensitivity and slow response times. In this thesis, I demonstrate room-temperature MIR detectors based …
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Active participation of buildings in the power sector : the case of small office buildings
… market participants. A data-driven multi-zonal thermal response model is formulated and fit to EnergyPlus simulation data from a Department of Energy Small Office Reference Commercial Building for the months of June, July and August. When validated and tested against EnergyPlus simulation data, …
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High temperature degradation of graphite/epoxy composites
The problem of determining the response of a laminated composite plate exposed to a high temperature environment while mechanically loaded is approached by identifying the underlying mechanisms and addressing them separately. The approach is general, but the work focuses on the response of …
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Numerical Investigation of Hydrate-bearing Sediment Formation Heterogeneity during Methane Gas Recovery
… following four aspects: vertical heterogeneity, thermal response processes, lateral heterogeneity / seafloor inclination, and fault patterns. Results show vertical heterogeneity, thermal response processes, and fault patterns have relatively large impact on the hydrate dissociation behaviour and …
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Predicting Compression Failure of Fiber-reinforced Polymer Laminates during Fire
… polymer (FRP) laminates during fire. The thermal model was developed as a one-dimensional heat and mass transfer model to predict the thermal response of a decomposing material. The thermal properties were defined as functions of temperature and material decomposition state. The thermal …
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Influence of contact conditions on thermal responses of the hand
… the influence of contact conditions on the thermal responses of the finger pad and their perceptual effects. A series of experiments investigated the thermal and perceptual effects of different contact conditions including contact force, contact duration, the object's surface temperature, …
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An investigation into the performance of a very shallow borehole thermal energy store for a solar-assisted ground source heat pump
… needs at lower energy costs. Likewise, solar thermal systems have been integrated into conventional GSHP to reduce the size of the ground heat exchanger and provide seasonal heat storage. So far, this technology has mainly been used in large commercial or residential buildings due to its high …
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Bioadhesion to model thermally responsive surfaces
… The mixed SAM surface was confirmed to be thermally responsive by contact angle goniometry, 35° at 28 °C and 55° at 40 °C. In addition, the mixed SAM surfaces were confirmed to be thermally responsive for various aqueous mediums by tensiometry. Factors such as oxygen, age, and surface mole …
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Modeling of Thermal Storage Silos and Heat Exchanger for Particle-Based Concentrated Solar Power
… goal of this work is the development of simpler thermal models of a particle storage silo and a particle-to-super critical carbon dioxide heat exchanger. These models are then combined together into a continuous system where the particles flow from the storage system through the heat exchanger. …
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Shallow geothermal energy: effect of in-situ conditions on borehole heat exchanger design and performance
… Several temperature measurements and Distributed Thermal Response Tests (DTRTs) were conducted in situ in a period of four years, including a long-duration DTRT (heating phase of 7 months), during which temperature was measured by the fiber optics in all the four boreholes. These measurements …
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Power balance in a helicon plasma source for space propulsion
… ionization power, and plume output power. A thermal model for the neutral confinement tube is presented whereby heat flux may be derived from thermal response data. Numerical simulation and experimental benchmarking are employed to validate this thermal model. A mapping of power consumption …
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Parametric Studies Based Mechanical and Thermal Modelling of Spot Welded Joints
… 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 (AAN) to predict cooling curves of the HAZ. Advanced modelling programs have been developed to …
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