Numerical study of the heating-cooling effects on the geotechnical behaviour of energy piles.
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The efficient thermal control of buildings is a complex problem. Non controlled perturbations like user behaviour and meteorological conditions can change much with time and make this task difficult. This work proposes considering the building as a 'living ...
Many chem. reactions, like the dehydrogenation of gaseous methanol to formaldehyde, require fast heating and cooling of the gases to control precisely the residence time at the reaction temp. (on the order of hundreds of ms) to minimize consecutive reactio ...
Combining mathematical programming and thermodynamic analysis for solving energy integration of industrial processes appears to be a very powerful tool to target minimum energy cost requirements. Defining the role played by thermodynamic analysis and numer ...
Air conditioning unit for vehicle which is compact and economical, while ensuring simplification of the combination of means for controlling the temperature of different elements of the vehicle. The unit comprises a fan which supplies two conduits placed p ...
The selection and the optimal integration of the utility system is a major step of any energy integration study. It allows to determine an energy target based on the cost of the utilities rather than on energy. As a result, we obtain the final list of stre ...
Aerobic chemostat cultures of S. cerevisiae were performed at different diln. rates under energy (glucose) limitation or at various extents of energy excess imposed by a N limitation. Energy excess induced metabolic uncoupling under steady-state conditions ...
Compared to other breweries, Brasserie du Cardinal achieves low specific energy consumption without applying “new” technologies like cogeneration or mechanical vapour recompression (MVR). MVR has been advocated for most types of breweries [1]. This case st ...
Nowadays, efficiency improvement of the modern gas turbines is usually achieved by increasing the pressure ratio which leads to an increase of the gas temperature in the combustion chamber. As a consequence, the temperature conditions imposed on the first ...
The paper describes a predictive and adaptive heating controller, using artificial neural networks to allow the adaptation of the control model to the real conditions (climate, building characteristics, user's behaviour). The controller algorithm has been ...
A comprehensive micro-macroscopic model of the continuous hardening of 3d-axisymmetric steel components by induction heating has been developed. At the macroscopic scale, the Maxwell and heat flow equations are solved using a mixed numerical formulation : ...