Scientific Commons: A. Lallemand

Heat transfer with freezing in a scraped surface heat exchanger (2005)

Ben Lakhdar, M.A., Cerecero Enriquez, R., Alvarez, G., Guilpart, J., Flick, D., Lallemand, A.

An experimental study was carried out on a scraped surface heat exchanger used for freezing of water-ethanol mixture and aqueous sucrose solution. The influence of various parameters on heat transfer...

Experimental study and calculation method of transport characteristics of ice slurries (1999)

Guilpart, J., Fournaison, L., Ben Lakhdar, M.A., Flick, D., Lallemand, A.

This paper presents an experimental study of transport characteristics of ice slurries made of ice / water / ethanol mixtures. The first part of this paper deals with an experimental approach of its...

Experimental study and calculation method of heat transfer coefficient when using ice slurries as secondary refrigerant (1999)

Ben Lakhdar, M.A., Guilpart, J., Lallemand, A.

This paper presents an experimental study of transport characteristics of ice slurries made of ice / water / ethanol mixtures. Wall temperature profiles in a circular smooth tube (Di = 3 10-2 m) were...

Blowing Effects on Heat and Mass Transfer for Different Geometrical Configurations (1998)

Bataille, F., Mathelin, L., Bellettre, J., Lallemand, A.

In this paper, the blowing impact on the dynamical and thermal boundary layers is investigated through experiments and numerical simulations. Two different geometries (flat plate and circular...

Caractérisation rhéologique d'un fluide frigoporteur diphasique : "coulis de glace" glace + eau + éthanol (1998)

Ben Lakhdar, M.A., Guilpart, J., Lallemand, A.

In order to minimize the use of HCFC refrigerants considered as harmful to the ozone layer of the planet, "natural refrigerants" are frequently used in the last years. Ice slurry is a new "natural...

Experimental study and calculation method of heat transfer coefficient when using ice slurries as secondary refrigerant (1998)

Ben Lakhdar, M.A., Guilpart, J., Flick, D., Fournaison, L., Lallemand, A.

This paper presents an experimental study of transport characteristics of ice slurries made of ice / water / ethanol mixtures. Wall temperature profiles in a circular smooth tube (Di = 3 10-2 m) were...

Détermination expérimentale des caractéristiques de transferts dans les frigoporteurs diphasiques (1998)

Ben Lakhdar, M.A., Guilpart, J., Gautherin, W., Lallemand, A.

An experimental study is carried out on ice slurries made of ice + water + ethyl alcohol. Pressure drop measurement show an Ostwald power law rheological behaviour. A thermal study in laminar flow in...

Simulation numérique des écoulements et des transferts dans un échangeur de chaleur à surface râclée (1997)

Ben Lakhdar, M.A., Moureh, J., Flick, D., Gautherin, W., Lallemand, A.

In order to minimize the quantity of HCFC refrigerants, we can use heat carrier fluids to link production and users refrigerating installations. In this field, ice slurry : ice + water + ethanol have...

Modélisation numérique des transferts thermiques au sein d'un échangeur de chaleur à surface râclée traitant un coulis de glace : glace + eau + éthanol (1997)

Ben Lakhdar, M.A., Moureh, J., Flick, D., Guilpart, J., Lallemand, A.

This paper deals with a scrapped surface heat exchanger used to generate ice slurries. Numerical modelling of flow and heat transfer is lead using a tridimensionnal geometry. Finite volume...

Membranoproliferative glomerulonephritis (MPGN) and pulmonary carcinoid tumour (1997)

Sartelet, H, Melin, J, Wynckel, A, Lallemand, A, Brambilla, E, Chanard, J

Exergetic and Economic Optimization of a Heat Pump Cycle : Primary Iteration. (1991)

Benelmir, Riad, Von Spakovsky, Michael, Lallemand, A.

Influence de l'état physique sur les propriétés magnétiques de quelques sels de la famille du fer ...--Étude photométrique de la couronne solaire pour des radiations situées dans le rouge et le proche infra-rouge ... (1934)

A. Lallemand

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