Burj el Arab has become the symbol of Dubai. The luxury hotel stands like a sailing boat in the sea, 300 meters off-shore and is the peak of luxury in the middle of the desert.
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Here are some old inventions that helped Burj el Arab engineers achieve such luxury in such harsh conditions:
The revolving door
The revolving door was invented in 1881. Its inventor, German H. Bockhacker, called it “door without draft of air”.
The need for this type of door came from the huge difference of temperature between the outside and inside the hotel. In Dubai, exterior temperature can reach up to almost 50 degrees Celsius.
In this baking heat, the most ultimate luxury could be a cool room. Inside the hotel, the temperature is kept constant at 23 degrees.
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This 20+ degree difference determines different air density. By opening the door, it would generate a great pressure at the meeting point of the two types of air.
Originally used for photo camera flashes, the capacitor proves to be very useful when you need to control a wide electric network.
Luxury always has a high price. Having the possibility of dimming the light for a more intimate atmosphere overheats the wires and bears the risk of starting a fire. This is something nobody would want in a high-class hotel.
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By dimming the lights in a room, power is delivered in small bursts to the light bulb. The bulb is thus repeatedly turned on and off many times a second. This overcharges the network.
To avoid this overcharging, engineers used capacitors to keep the network at constant charge, avoiding it to be burst with small amounts of power.
Laminar flow fountains
One of the most fascinating views in Burj el Arab is represented by its fountains. Water is indeed a huge luxury in a building placed in the middle of the desert. The fountains seem to be throwing small and clear snakes of water. But how do they do this, if water normally spreads around when sprinkled?
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In order to achieve this type of water flow, you need to minimize the water turbulence in order to get a glassy smoothness. This is called laminar flow.
The system used to get this laminar flow is the same from firefighters’ hoses used to put out fires in skyscrapers. In the 1930’s, as buildings grew taller, a more powerful flow was needed to quench fires at high levels.
This is why an engineer observed that turbulence is slowing down the flow and is making it spread around. So, he built a special nozzle to calm the water turbulence down.
Photo Source: mountainsoftravelphotos. com
With the help of this nozzle, the fountains in Burj el Arab look so amaizingly mesmerizing.
Surely all of you would enjoy the luxury and view of Burj el Arab, but have you ever thought it was so ingenuously built?
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