نتایج جستجو برای: acoustic cabin
تعداد نتایج: 87600 فیلتر نتایج به سال:
UNLABELLED Passengers in an aircraft cabin can have different risks of infection from airborne infectious diseases such as influenza, severe acute respiratory syndrome (SARS), and tuberculosis (TB) because of the non-uniform airflow in an aircraft cabin. The current investigation presents a comprehensive approach to assessing the spatial and temporal distributions of airborne infection risk in ...
Introduction: Agriculture is one of the oldest jobs in the world and almost 7-2 billion people all over the world are working in this field. In the field of agriculture workers may be always in danger, due exposure to various chemical and physical factors. Despite the dramatic technological developments in agricultural science, this field is still among one of the most dangerous workplaces...
A primary difficulty when investigating communication requirements rises when a very specific field as an aircraft cabin is considered. The diverse needs of passengers are often incompatible to the strict constraints inside the cabin. Nowadays, In-Flight Entertainment (IFE) systems, for instance, are widely spread in modern flights. An IFE system usually consists of a Seat Electronic Box, the p...
Air quality in aircraft cabins has long been criticized. Current widely-used air distribution systems on airplanes dilute inside generated pollutants by promoting air mixing and thus impose risks of infectious airborne disease transmission. In addition, low moisture content in cabin is believed to be responsible for headache, tiredness and lots of other unknown symptoms. To restrict air mixing ...
E X P E R I M E N T A T I O N in the space cabin simulator at the School of Aviation Medicine has been designed, in part, to study the physiologic and psychologic responses of the human organism to a "'space-equivalent" environment. This environment represents the predicted space cabin environment in most respects, the most important absent environmental parameter being zerogravity. The subject...
Background: It is known that high noise levels can be harmful to preterm infants, causing physiological and psychological disorders. also premature babies spend a lot of time in an incubator. In this sense, many studies show incubator range from 45 70 dB. However, these differences depend, fundamentally, on the wide methodology used. This study aims know fan itself how much it isolate noises co...
As interest in autonomous driving increases, efforts are being made to meet requirements for the high-level automation of vehicles. In this context, functionality inside vehicle cabin plays a key role ensuring safe and pleasant journey driver passenger alike. At same time, recent advances field artificial intelligence (AI) have enabled whole range new applications assistance systems solve autom...
This paper shows the effect of adding vibrations in a car cabin during driving simulation on driver perception. Actually, current dynamic driving simulators induce the simulator sickness and it still difficult for the driver to project himself in the virtual reality due to a lack of perception. To know the effect of vibrations on a subject, the effect of the whole body vibration must be defined...
There has been increasing interest in developing simulation models capable of analyzing commercial aircraft-cabin egress under both non-life-threatening and life-threatening scenarios. At issue is the ability to accurately simulate human behavior within non-toxic environments, as well as the debilitating effects that toxic environments (e.g., fire and smoke) have on human-decision making. A set...
A stochastic model predictive controller (SMPC) of air conditioning (AC) system is proposed to improve the energy efficiency of electric vehicles (EV). A Markov-chain based velocity predictor is adopted to provide a sense of the future disturbances over the SMPC control horizon. The sensitivity of electrified AC plant to solar radiation, ambient temperature and relative air flow speed is quanti...
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