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9762 papers found

I. Durickovic, R. Suaire, G. Derombise, M. Marchetti

SURVEILLANCE OF ROAD DE-ICERS IN THE ENVIRONMENT

In winter maintenance, the application of road de-icing products on transport infrastructures is a common practice for the maintenance of road security. However, these products are transported out of the roads into the surrounding environment by numerous factors (rain, wind, traffic,...). We demonstrate the importance of the surveillance of the road de-icers‘ dissemination in the environment by the illustration of two applications that are under investigation. In the first application, we survey the salinity of a detention pond used for the road water treatment. In the second one, the salt...

Protecting Environment, Climate Changes and Pollution Control · TC19 · 2013 · Download
F. Naccarato, M. Potenza, A. de Risi

OPTICAL CORRECTION METHODS FOR A SIMULTANEOUS LII AND TC MEASUREMENT OF A LOW-SOOTING LPG DIFFUSION FLAME

Simultaneous measurements with the Two-Color emission and Laser-Induced-Incandescence techniques on a diffusion laminar LPG bunsen flame were performed. The acquired images were filtered, perspective corrected and processed via an on purpose made procedure in order to reduce the measuring error. For quantitative measurements of the soot volume fraction and temperature a tungsten lamp calibration method of LII and TC techniques was used. To correct the self-absorption and the laser attenuation through the flame, a correction method was developed by means of the laser extinction technique....

Protecting Environment, Climate Changes and Pollution Control · TC19 · 2013 · Download
M. Fazio, A. Puliafito, M. Villari

AN EVENT-BASED SERVICE FOR SENSING DATA PROVISIONING IN THE CLOUD

The Cloud is arising as strategic technology in many application fields, since the theoretically unlimited availability of computing and storage resources in the Cloud. Recently, new Cloud services are offering interesting solutions also for processing and storing huge amount of data generated from thousands heterogeneous sensors deployed all around. In this paper, we present an innovative Cloud architecture helpful to efficiently manage a large set of data, in order to bringing together data provided by heterogeneous sensing infrastructures with the requirements of many data consumers. It...

Protecting Environment, Climate Changes and Pollution Control · TC19 · 2013 · Download
M. Potenza, F.Naccarato, A. de Risi

2D MEASUREMENTS OF PRIMARY SOOT DIAMETER IN DIFFUSION FLAMES BY TWO-DIMENSIONAL TIME RESOLVED LASER INDUCED INCANDESCENCE (2D TIRE-LII)

Two dimensions primary soot diameter calculation in a laminar diffusion LPG flame by means of Laser Induced Incandescence (LII) is presented in present paper. LII is a high sensitive technique in which a high energy Nd-YAG laser sheet heats soot particles to a temperature of about 4000 K but without exceeding the sublimation temperature. Radiation from exited soot particles is acquired by means of an intensified CCD camera (low gate opening time of 10ns) synchronized with the laser pulse. By delaying the acquisition time with respect to laser pulse, LII signal decay as function of time has...

Protecting Environment, Climate Changes and Pollution Control · TC19 · 2013 · Download
Paulo R. M. Silva, Valnei S. Cunha, Werickson F. C. Rocha, Gabriel F. Sarmanho, Joyce C. Andrade, Marcello Depieri

THE USE OF PROFICIENCY TESTING SCHEMES FOR MOTORCYCLE EXHAUST EMISSIONS LABORATORY

In this work the Proficiency Testing Scheme (PTScheme) has been used for evaluation of the laboratories of motorcycle emissions to measure the emission levels of this kind of vehicles, supplying subsidies to the laboratories to identify and solve analytical problems and contributing for the measurement harmonization in the country. The PTScheme of automotive emissions is a type of study, provided only in Brazil and it was the first time that this procedure was carried out for motorcycles. Such proficiency test showed satisfactory results and show the importance for the industry, society and...

Protecting Environment, Climate Changes and Pollution Control · TC19 · 2013 · Download
Dhouha El Houssaini, Sabrine Khriji, Christian Viehweger, Olfa Kanoun

CONTROLLING WATER QUANTITY IN IRRIGATION SYSTEM USING LOW POWER SENSORS FOR SOIL AND WEATHER

The main purpose of this work is to present a new method to control the quantity of water used in irrigation. The challenge today is to create an automated irrigation system which in the same time can reduce the water’s waste and is cost effective. Different parameters are important to measure in order to calculate the efficient quantity of water needed by plant. In this work, the proposed solution is the use of less power consumption and cheaper devices but still efficient enough for the system. The system is composed of three nodes to be used together; each node is composed from the TelosB...

Protecting Environment, Climate Changes and Pollution Control · TC19 · 2013 · Download
L. Piper, V. Pelillo, G. Griffo, E. De Franchis, A. Lay-Ekuakille

COST MINIMIZATION OF WASTE RECYCLING FOR LOWERING ENVIRONMENTAL IMPACT

The costly disorganized waste treatments and reclamation is an increasing factor due to the production processes. Politics of recycling are a model of facing all aspects due to the need of decreasing waste treatment costs and to lower environmental impact. The paper presents a special architecture of a urban bin dedicated for collecting waste for recycling. The bin can be used for promoting politics of recycling by granting people who want to increase their incomes. The idea is to transform cost of waste treatment in gain for people to be encouraged. With this work we want to present the...

Protecting Environment, Climate Changes and Pollution Control · TC19 · 2013 · Download
R. Morello, C. De Capua, F. Filianoti

A NEAR-SHORE WAVE MONITORING MODEL FOR BEACH PLANFORM EVOLUTION PREDICTION

Coastal erosion is a serious problem affecting a growing number of sites worldwide. Frequently, the erosion is caused by long-shore drift currents induced by sea waves in the surf zone. Many formulas have been proposed by researchers in order to estimate the mean rate of sediments moved annually alongshore by waves. In the present paper, the authors describe a revised model for predicting the long-shore drift current. The model is based on directional wave analysis by means of measurements of the instantaneous sea surface elevation operated simultaneously by three altimeters closed each othe...

Protecting Environment, Climate Changes and Pollution Control · TC19 · 2013 · Download
V. Pelillo, L. Piper, A. Lay-Ekuakille, G. Griffo, A. Lanzolla, G. Andria

SAMPLING OPTIMIZATION FOR MONITORING CONTAMINATED SOILED

Atmospheric deposition on soil is a matter of continuous study. Deposited pollution can be determined in various ways. But the first step is sampling; in case of sample destruction or lost or unvailability, it could be necessary to overcome the issue by a specific prediction. The paper presents prediction technique of dioxin deposition on ground using a geostatistic method called "Kriging". Kriging code is a regression method used in the context of the space analysis (geostatistics) which allows to interpolate a quantity in the space, minimizing the mean square error. In the statistics...

Protecting Environment, Climate Changes and Pollution Control · TC19 · 2013 · Download
A. Cataldo, G. Cannazza, E. De Benedetto, N. Giaquinto, M. Savino

AN INVERSE VALIDATION FOR DETECTING PIPE LEAKS WITH A TDR-BASED METHOD

Recently, an innovative system based on time domain reflectometry (TDR) for the individuation of leaks in underground pipes has been proposed and validated. Starting from the results obtained so far, the present works aims at further investigating the practical applicability of the aforementioned system. In particular, the goal of this work is to assess the system in the detection of two close leaks (i.e. leakages that may occur on the same length of pipe). To this purpose, an experimental setup was arranged: two “leakage conditions” were imposed, and the position of the leaks were...

Protecting Environment, Climate Changes and Pollution Control · TC19 · 2013 · Download