Laboratory CaSiCCE

Oran, Algeria

Laboratory CaSiCCE

Oran, Algeria
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Hebali M.,Laboratory CaSiCCe | Berbara D.,Laboratory CaSiCCe | Benzohra M.,University of Rouen | Chalabi D.,Laboratory CaSiCCe | And 2 more authors.
Sensor Letters | Year: 2017

The effect of × germanium fraction on the functioning of a CMOSi1-xGex 130 nm technology temperature sensor is investigated with aims to develop an ultra-low power high sensitivity MOSFET transistor temperature sensor. The detection element is operated in sub-threshold regime to reduce supply voltage. This CMOSi1-xGex 130 nm temperature sensor has a temperature measuring range from -120 °C to 120 °C with sensitivity between 0.13253 mV/°C and 0.31919 mV/°C depending on number of transistors' stages. The sensor operate under a low voltage between 0.35 V and 0.8 V consuming low power rated between 3.73975 nW and 39.1552 nW. © Copyright 2017 American Scientific Publishers.


Meddah S.,Laboratory CaSiCCE | Meddah S.,Oran University of Science and Technology - Mohamed Boudiaf | Saidane A.,Laboratory CaSiCCE | Hadjel M.,Oran University of Science and Technology - Mohamed Boudiaf | Hireche O.,Ecole Normale Polytechnique dOran
Water (Switzerland) | Year: 2015

Numerical modeling has become an indispensable tool for solving various physical problems. In this context, we present a model of pollutant dispersion in natural streams for the far field case where dispersion is considered longitudinal and one-dimensional in the flow direction. The Transmission Line Matrix (TLM), which has earned a reputation as powerful and efficient numerical method, is used. The presented one-dimensional TLM model requires a minimum input data and provides a significant gain in computing time. To validate our model, the results are compared with observations and experimental data from the river Severn (UK). The results show a good agreement with experimental data. The model can be used to predict the spatiotemporal evolution of a pollutant in natural streams for effective and rapid decision-making in a case of emergency, such as accidental discharges in a stream with a dynamic similar to that of the river Severn (UK). © 2015 by the authors.

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