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Title          
   
 
Abstract    

In the 1920s, mass culture in Germany came to be broadly described as Girlkultur, which can be translated as "Girl Culture". This was largely characterized by lavish shows known as revues, with themes usually involving women and often inspired by a curiosity of foreign lands. The article also explores how this culture was shaped and driven by rapid industrialization and the emergence of a new urban lifestyle.

 
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Added By - daanish
Subject - History
Document Type - Assignment
 
   
   

 

Title          
   
 
Abstract    

Creeping flow (flow with Re << 1) past a sphere is described by Stokesí* celebrated solution (1851). The solution is formulated with the help of the streamfunction which ensures mass conservation on a differential level. However, if the streamlines and velocity contours for this flow are plotted, the image suggests that global continuity is violated. This can often lead to some confusion and doubt over the validity of the solution, so a simple demonstration follows to show that Stokesí solution also satisfies global mass conservation, despite the illusion presented by the streamlines and velocity contours.

 
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Added By - daanish
Subject - Mechanical Engineering
Document Type - Question and Answer
 
   
   

 

Title          
 Metro Station Complex- A Public Realm  
 
Abstract    

Light Rail Transit System for India-Bangalore.
The beneficial aspects of the metro rail development are listed below

1. Reduced traffic density on roads
2. Reduced Travel time and safety
3. Reduced in overall fuel consumption in the city
4. Reduction in urban air pollution
5. Reduction in noise levels
6. Reduction in road accidents
7. Improvement in city road conditions
8. Employment opportunities and improvement in rural economy
9. Benefits in the form of transfer of technology
10. Enhanced rural economy
11. Saving in productive man-hours due to rapid mode of transport
12. Reduction in green house gases emission
13. Reduced need for expansion of roads, laying new roads, flyovers etc
14. Better environmental landscape, aesthetics
15. Boost to industry, trade, commerce, communication and culture

 
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Added By - Arpita Ghosh
Subject - Architecture
Document Type - UG Research
 
   
   

 

Title          
 Laminar Separation Bubble  
 
Abstract    

This essay focuses on the phenomenon of Laminar Separation Bubble observed at Low Reynolds Numbers. The effect of this bubble on the airfoil characteristics is discussed. Airfoils used at low Reynolds numbers have to be designed taking into consideration the finite space and time occupied by the bubble. Active as well as passive mechanisms to control/delay the formation of the bubble are also mentioned.

For conventional aircraft wings, whose Reynolds number exceeds a million, the flow is typically turbulent with the boundary layer able to strengthen itself by ‘mixing’. Consequently flow doesn’t separate until high angles of attack are encountered. For lower Reynolds numbers, the flow is initially laminar and is prone to separate even under mild adverse pressure gradient. Under certain flow conditions, the separated flow reattaches and forms a Laminar Separation Bubble (Fig. 1) while transitioning from laminar to turbulent state. Laminar separation bubble could modify the effective shape of the airfoil and consequently influence the aerodynamic performance, generally in a negative manner.

The need to understand low Reynolds number (104 to 106) aerodynamics is driven by variety of applicat...

 
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Added By - anandsaxena
Subject - Aeronautics and Astronautics
Document Type - White Paper
 
   
   

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