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Propagation of mains marked control signals on an electricity distribution networkGasteen, M. R. January 1985 (has links)
No description available.
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Thermal energy storage in encapsulated phase change materialsManley, B. J. W. January 1983 (has links)
No description available.
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Environmentally-sustainable developments for post-industrialised urban regions : with a case study based within the Rhymney Valley, South WalesPrice, Trevor J. January 1997 (has links)
No description available.
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Industrial drying with special reference to electric infra-redWilmshurst, Andrea Denise January 1988 (has links)
No description available.
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Energy in UK industrial production and trade : Structural change and efficiencyJenne, C. A. January 1984 (has links)
No description available.
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Energy in buildings : the urban contextSteemers, Koen January 1992 (has links)
No description available.
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Methods for assessing investment on research and development for renewable energy technologiesHope, C. W. January 1980 (has links)
No description available.
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Household energy consumption in West SumatraDown, S. A. A. January 1985 (has links)
No description available.
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Experimental studies of the hydrodynamic characteristics of a sloped wave energy deviceLin, Chia-Po January 2000 (has links)
Many wave energy convertors are designed to use either vertical (heave) or horizontal (surge) movements of waves. But the frequency response of small heaving buoys and oscillating water column devices shows that they are too stiff and so their resonance is at too short a period. A device moving in the horizontal (surge) direction has less restoring spring and so its resonance is at too long a period. It follows that a device that moved at some intermediate slope angle could have an intermediate value of hydrodynamic stiffness and so be resonant at a variable and desirable part of the wave spectrum. There have been two series of model tests in this work. The first used a simple free-floating model with no power take-off apparatus and with constraint achieved by means of a large inertia plate lying in the slope plane. The second used a rig that constrained the slope movement of the buoy head by means of hydrostatic bearings running on a guide rod set to the chosen slope angle. An external power take-off system was used to simulate a linear damper for absorbing the incident wave energy and control the motion of the model. This thesis firstly studies the potential of varying the slope angle as a way of tuning the natural period of the device to suit useful wave periods. Secondly, it studies the experimental and theoretical power capture ability of models with different slope angles in regular waves in the frequency domain. The hydrodynamic coefficients of the model were determined both experimentally and numerically based on linear hydrodynamic concepts. The power absorption of the models was calculated using the experimental data of the hydrodynamic coefficients and also measured directly. Some control of power take-off was also investigated. Some irregular wave tests were carried out for the 45 degrees slope angle case. The results show that it is feasible to alter the slope angle of the device as a way of tuning its natural period. However, in further studies of the power capture ability for different slope angles, the device shows a very wide bandwidth and high efficiency performance when it is set to 45 degrees slope angle. This suggests that to constrain the device to a 45 degrees slope angle is suitable for most of the sea states.
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CHP/DH : design, economy and environment issuesTaki, Yasuro January 1992 (has links)
No description available.
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