PRESENTED BY,
DOOGE


SEMINAR ON APPLICATIONS OF WIND TUNNELS IN AEROSPACE AND AUTOMOBILE INDUSTRIES.
WHAT ARE WIND TUNNELS ?
 Wind tunnels are research tools developed to assist with studying the effects of air moving over or around solid objects .
 This study requires taking into account the Reynolds number and the Mach number.
PARAMETERS AFFECTING AN AIRPLANE
 Gravity pulls the plane down toward the ground.
 Lift pulls the plane up .
 Thrust moves the plane forward.
 D ....etc

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Switch Architecture Guaranteeing QoS Provision and HOL Blocking Elimination

Abstract

QoS support and congestion management techniques become essential to achieve good network performance in current high-speed interconnection networks.
The most effective techniques traditionally considered for both issues, however, require too many resources for being implemented.
In this paper we propose new cost-effective switch architecture able to face the challenges of congestion management and, at the same time, to provide QoS.
The efficiency of o ....etc

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Pune - Satara Section of the National Highway NO.4 passes through Katraj Spur of the Western Mountain Range between Pune and Shirwal. Existing highway is a two-lane road with quite a few sharp bends and steep sections. Existing highway also passes through a 275 m long two-lane tunnel located in the Katraj Spur. In view of the space limitations it was considered that straightening out existing sharp curves was almost an impossible task. Further, it was considered that any work on the existing highway would cause hindrance to the present day heav ....etc

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i want report on fire fighting robot in tunnels ....etc

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Pune - Satara Section of the National Highway NO.4 passes through Katraj Spur of the Western Mountain Range between Pune and Shirwal. Existing highway is a two-lane road with quite a few sharp bends and steep sections. Existing highway also passes through a 275 m long two-lane tunnel located in the Katraj Spur. In view of the space limitations it was considered that straightening out existing sharp curves was almost an impossible task. Further, it was considered that any work on the existing highway would cause hindrance to the present day heav ....etc

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Robotic System for Fire Fighting in Tunnels

Laura Celentano, Bruno Siciliano and Luigi Villani
Dipartimento di Informatica e Sistemistica
Universita degli Studi di Napoli Federico II
Via Claudio 21, 80125 Napoli, Italy



Abstract—

The problem of safety in tunnels is considered,
with particular concern to the vulnerability to fire. The important
role that robotics may play for fire fighting and preventing
is outlined and a robotic system, purposely designed for
tunnels, is ....etc

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Loads on Tunnels
• The most important potential loads acting on underground structures are earth/rock pressures and water pressure.
• Live loads due to vehicle traffic on the surface can be safely neglected, unless the tunnel is a cut and cover type with a very small depth of overburden.
• It may be generally stated, that the dimensioning of tunnel sections must be effected either against the overburden weight (geostatic pressure) or against loosening pressure (i.e. the weight of the loosened zone, called a ....etc

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