Abstract Nowadays, finite element tyre models are often used to perform vehicle NVH (noise, vibration, harshness) simulations. To account for the specific operating conditions, a road surface must be properly included in model. This paper deals with methodology experimentally evaluate and process irregularity measurements, so as generate input. These surfaces simulate tyre/road interaction at f...

The thiols in the morning urine of 224 employees of a chemical plant were determined after alkaline hydrolysis of all urinary thioethers. The highest thioether excretion was found in rubber workers and radial tyre builders in comparison with clerks, plastic monomer mixers and footwear preparers. Smoking and medication tended to increase thioether excretion. Urinary thioether determination may p...

We present a localization system which computes, by extended Kalman filtering, the position and heading of a vehicle using both odometry and the measurement of the relative azimuth angles of known landmarks. Observability of the continuous system is studied and gives information on situations where the performance of the filter may deteriorate. Results of extensive real outdoor experiments with...

Traffic related sources are a significant contributor of particulate matter, particularly in urban environments and major cities. Traffic related particles can be distinguished into: exhaust traffic related particles, which are emitted as a result of incomplete fuel combustion and lubricant volatilization during the combustion procedure, and nonexhaust traffic related particles, which are eithe...

A mathematical model of a vehicle dynamic system capable of predicting ride comfort can be a useful tool for vehicle design and development engineers at the concept design stage. The aim of this study was to develop a simple mathematical model of a vehicle with seat and occupant to investigate how vehicle dynamic parameters affect the vibration transmission and ride quality. A 13 degrees-offree...

This research examines the image of a Lebanese tourist destination, city Tyre. In order to detect and analyze existing differences between complex as perceived by destination’s visitors desired municipality, two complementary studies were carried out.

Sir, Paraphenylenediamine (PPD), a derivative of paranitroanaline, is commonly used in several industries like oxidizable hair dye, dyeing furs, photochemical processes and tyre vulcanization. The Þ rst documentation of systemic PPD poisoning in 1924 described the case of a hairdresser who developed toxicity from handling the dye.[1] Many reports have followed since then, mainly from developing...

Coastal erosion and accretion are short-term long-term processes that may cause changes in shoreline beach profiles. Monitoring profile is important to figure out the factors responsible for these so it helps stakeholders planning sustainable management plays a vital role achieving Integrated Zone Management (ICZM). For this reason, survey was conducted at study area monitor determine led on pr...