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Using lakes and rivers for extraction and disposal of heat: Estimate of regional potentials

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Plasma exhaust and divertor studies in Japan and Europe broader approach, DEMO design activity

Holger Reimerdes

Power exhaust scenario and divertor design for a steady-state Japan (JA) DEMO and a pulse Europe (EU) DEMO1 have been investigated as one of the most important common issues in Broader Approach DEMO Design Activity. Radiative cooling is a common approach f ...

ELSEVIER SCIENCE SA2018

Thermal Interface Material Enablement of Off-Board Two-Phase Cooling

John Richard Thome, Raffaele Luca Amalfi

Two-phase, refrigerant-based cooling offers significant promise for increasing heat densities and energy efficiencies of electronic components. One barrier to wide spread adoption of two-phase cooling solutions is preserving product features deemed essenti ...

IEEE2018

Solar thermal and geothermal integration with low temperature CO 2 DENs

François Maréchal, Luc Girardin, Raluca-Ancuta Suciu

Taking into account the high efficiency of solar thermal collectors and the fact that heating demands represent around 80% of the total energy needs in residential buildings, it is of interest to integrate solar thermal systems to supply HVAC services. How ...

Elsevier2018

Physical effects of thermal pollution in lakes

Alfred Johny Wüest, Damien Bouffard

Anthropogenic heat emissions into inland waters influence water temperature and affect stratification, heat and nutrient fluxes, deep water renewal, and biota. Given the increased thermal stress on these systems by growing cooling demands of riparian/coast ...

American Geophysical Union2017

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Reducing the environmental impact of industrial processes is highly linked with decreasing consumption of natural resources, energy, and water. In the context of climate change, as discussed during the Conference of Parties in Paris (COP21), the efficient ...

2016

Key Energy and Technological Aspects of Three Innovative Concepts of District Energy Networks

François Maréchal, Daniel Favrat, Samuel Henchoz, Patrick Chatelan

Energy needs in urban areas are heterogeneous by their nature, spatial distribution and temperature level required. Three concepts of district energy networks that could provide the energy services efficiently to a city centre are compared. The focus is on ...

2016

Introduction-Thermal pollution can have considerable influence on water temperature in freshwater systems notably affecting stratification [Kirillin et al., 2013]. Consequences can be seen across the entire aquatic food web [Barnett, 1971; Cairns, 1971; Sy ...

2016

Thermal pollution can have considerable influence on water temperature in freshwater systems notably affecting stratification (Kirillin et al., 2013). Consequences can be seen across the entire aquatic food web including benthic organisms (Barnett, 1971), ...

2016

Key energy and technological aspects of three innovative concepts of District energy networks

François Maréchal, Daniel Favrat, Samuel Henchoz

In urban areas, the use of thermal energy services is intensive and relatively heterogeneous by their nature, spatial distribution and temperature level required. In this study three concepts of district energy networks that could provide these services ve ...

2015

Multi – objective, integrated, regional energy system optimisation

François Maréchal, Alexandre Suzanne Jean-Marie Bertrand, Riad Aggoune

INSPIRATION In an effort to reduce greenhouse gas emissions and to improve resource use, the European Commission published in 2012 a new directive on energy efficiency (2012/27/EU). Among other measures, it requires member states to conduct cost-benefit an ...

2015