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It is well known that anionic surfactants become more hydrophilic as temperature increases, whereas nonionic surfactants show the opposite trend. By a proper mixing of both types of surfactants it is possible to produce intermediate situations and, eventually, insensitivity to temperature. This mixing principle is applied to both the phase behavior and emulsion properties. The temperature/water-to-oil...
The performance of axial fans in close proximity to EMC screens has been analyzed by means of an experimental parametric study. The following geometrical parameters have been studied: the hub-to-tip ratio, the ratio between fan thickness and fan diameter, the porosity and the thickness of the perforated plate and finally the distance of the perforated plate to the inlet and the outlet of the fan....
Attention-deficit/hyperactivity disorder (ADHD) is one of the most prevalent psychiatric childhood disorders. Good clinical practices are therefore needed regarding both assessment and therapy. In which assessment is concerned, valid instruments are available, one of the last developments in the field being the virtual reality guided assessment (VirtualClassroom). Regarding intervention, the multimodal,...
Experimental measurements in a spray cooling test rig have been carried out for different heat fluxes in the heater and different volumetric spray fluxes of the refrigerant. Results of the thermal parameters and the sprayed refrigerant liquid film thickness over the heater are presented. The film thickness measurements have been made with a high speed camera equipped with a long distance microscope...
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