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Load Transfer Method for Energy Piles in a Group with Pile–Soil–Slab–Pile Interaction

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Characterisation of domestic hot water end-uses for integrated urban thermal energy assessment and optimisation

François Maréchal, Nils Christian Schüler, Alexandre Suzanne Jean-Marie Bertrand, Riad Aggoune

Former integrated urban energy assessments and optimisation have modelled domestic hot water (DHW) demand as a single stream, as space heating, currently, is the main energy demand in buildings and a detailed DHW modelling was therefore not required. Howev ...

2017

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In this work, a method for taking into account seasonal storage in an energy optimisation problem is developed. A master-slave optimisation procedure is applied, in which the master optimisation is an evolutionary algorithm, while the slave optimisation is ...

2016

Centrifuge modelling of heating effects on energy pile performance in saturated sand

Lyesse Laloui, Chao Shi

The operation of energy pile in summer can expel excessive heat of the buildings into the ground by the use of a heat pump. Despite of having been implemented for decades, the design of energy pile still relies heavily on empiricism as there is still limit ...

National Research Council Canada2015

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Currently, the suitability of centrifuge testing for capturing the thermal-induced mechanical behavior of full-scale energy piles has not been established, yet, despite their increasing worldwide development. Looking at this challenge, this paper investiga ...

American Society of Civil Engineers2015

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This paper investigates the influence of thermal lag on the glass transition temperature of polymers measured under different heating rates during dynamic mechanical analysis (DMA). The E-modulus-temperature curves of a two-component epoxy adhesive and a p ...

Elsevier2014

Energy pile foundation can expel and extract heat into and from the ground in summer and winter, respectively. The discharge and extraction of heat induce cyclic thermal load in piles and may lead to serviceability problems. So far, the effects of cyclic h ...

Ice Publishing2014

Effect of groundwater flow on the THM behavior of an energy pile

Lyesse Laloui, Fabrice Dupray, Mélanie Baehler

Bridges are one of the road structures that are most exposed to icing, a problem that is widely dealt with through salting, a technique that reduce the lifespan of the bridge. Seasonal storage of solar heat energy captured directly through the asphalt laye ...

Taylor & Francis Group2013

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This article integrates solar potential in a given urban area for the competing technologies of Photovoltaic and thermal collectors. On an urban level, scalable from several buildings to whole cities, the authors examine the possibility of solar power inte ...

2013

INTEGRATION OF A SEASONAL STORAGE

Guillaume Pierret

Central solar heating plant is one of the most profitable, the most efficient and the most easily installable solar technology. However, there is significant limitations for its installation on all the northern roof. There is a gap between the summer heat ...

2013

ECOS 2010 Volume III (Cycles & Buildings)

ECOS2010 - 23rd International Conference on Efficiency, Cost, Optimization, Simulation and Environmental Impact of Energy Systems, June 14-17 2010, Lausanne, Switzerland Ecoefficiency and renewable energy for a sustainable world + Developments, application ...

CreateSpace2011