منابع مشابه
Analysis of Indoor Air Quality and Development of New Air Cleaner for Railroad Passenger Cabin
متن کامل
Passenger Interface Systems in Modern Railway Application: A Dedicated Passenger Information System for Istanbul Tramway
After 1860’s the railway systems has started to be used in urban transportation in the world. However, especially after the 1950’s, automobile usage has been increased quickly. Thus the dense of transportation has started to move from railway systems to the ones with rubber tire vehicles in Istanbul. Traffic density in urban transportation has started to be experienced since 1950 with the incre...
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چکیده ندارد.
15 صفحه اولModeling and simulation of the acoustic behavior of a muffler in a passenger car exhaust system
Muffler is one of the main components of an automotive exhaust system, which reduces the noise of the exhaust system. In this paper, modeling and simulation of the acoustic behavior of a muffler is presented with the aid of an engineering software. For this purpose, firstly, an analytical model is presented to evaluate the sound transmission loss in cylindrical shells based on Sander's theory....
متن کاملThe effect of rail travel time on airline fares: first evidence from the Italian passenger market
The empirical evidence shows that travel time is crucial for rail transport to be a competitor to air transport. However, there are no papers testing whether travel time has a direct effect on airline pricing. This paper is a step towards filling this gap. We test and quantify the effect of rail travel time on airline fares, using unique data at flight-level. We find that airlines design pricin...
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ژورنال
عنوان ژورنال: The ANNALS of the American Academy of Political and Social Science
سال: 1890
ISSN: 0002-7162,1552-3349
DOI: 10.1177/000271629000100106