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Old April 9th, 2019, 09:19 PM   #2661
BerkeKayalar
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Quote:
Originally Posted by el_coche View Post
Proje onay almis.. ben cok begendim... Foster kendini asmis ben cok begenmem... Gherkin artik diger binalar yuzunden gorunmuyor simge bir tarafi kalmamisti.. cuk oturmus kendi binasinin yanina yine

https://www.designboom.com/architect...yhFctSGyoCCA60
Çoook kötü bence de.
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Old April 22nd, 2019, 08:51 PM   #2662
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Dünyanın en büyük dönme dolabı olan Ain Dubai, Meraas Holding tarafından hayata geçiliyor. Şirketin yaptığı açıklamaya göre Ain Dubai 2020 yılında açılacak.

Meraas Holding, dünyanın en büyük dönme dolabı olan Ain Dubai'nin Expo 2020 Dubai kutlamaları için zamanında tamamlanacağını açıkladı. 250 metreden daha yüksekte duran yapı, ilk dönme dolab tekerleğinden yüzde 200 daha uzun olacak.

https://emlakkulisi.com/dunyanin-en-...cilacak/604608


250 METRELİK DÖNME DOLAP.. Kabul edelim ki expoyu biz alsak hiçbirşey yapamazdık hele bu ekonomi çökmüşken, adamlar bize mi verecek expoyu dubai dururken.
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Old April 23rd, 2019, 09:40 AM   #2663
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Onlarda bokunu çıkarmış.en ideali Londra'da olanı.
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Old April 26th, 2019, 11:17 AM   #2664
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$13.6B record-breaking solar park rises from Dubai desert



In its eighth year of development, satellite images give a sense of scale already: miles of photovoltaics arranged along neat east-west lines, their uniformity at odds with the creases and crinkles of the sands surrounding the energy plant. Once finished, Dubai Energy and Water Authority (DEWA) told CNN the 50 billion-dirham ($13.6 billion) investment could power as many as 1.3 million homes, reducing carbon emissions by 6.5 million tonnes annually.

First announced in 2012 and with a scheduled completion date of 2030, the 5,000-megawatt solar park will take three times as long to finish as the Burj Khalifa. Phases one and two, which are already complete, comprised 2.3 million photovoltaic panels with a capacity of 213 megawatts. Phase three, deep in construction, adds over 3 million photovoltaics and another 800 megawatts, and will be completed in 2020, say DEWA.

But after years of spreading out across the desert floor, the solar project is now rising upward with phase four -- perhaps the most ambitious development yet.
After breaking ground in March 2018, the base is now complete for what DEWA claims will be the tallest concentrated solar power (CSP) tower in the world.
It will use mirrors called heliostats to focus sunlight at the top of the tower, in order to heat up a flow of molten salts. The heat is used to power steam turbines, generating electricity.



"Typically, CSP will have efficiency which are slightly higher than photovoltaics (PVs)," Christos Markides, professor of clean energy technologies at Imperial College London, told CNN. CSP stores energy as heat rather than in batteries. "Thermal energy storage is something like 10-times cheaper than electrical energy storage," he explained. "That gives that particular technology an advantage."

Practically speaking, it means CSP can continue to create electricity even without the sun and well into the night. Dubai's tower can store heat for 15 hours and will be able to provide power 24 hours a day, said DEWA. The CSP tower will top out at 260 meters (853 feet) when completed, DEWA added, and will be surrounded by 70,000 heliostats.

In addition to the 100-megwatt CSP tower, phase four will supply another 850 megawatts of power via parabolic troughs (another form of CSP) and photovoltaics. It was recently announced that phase five's 900 megawatts of photovoltaics will be commissioned in stages starting 2021, while remaining installations to bring the park up to its end goal of 5,000 megawatts are still in planning.

"Dust remains a significant challenge," DEWA told CNN via email, "as dust accumulation on modules can substantially reduce the power generation of those modules." The government department said as well as studying panel coating technologies it is implementing "a dry robotic cleaning system to clean the whole plant in a very short time."

https://edition.cnn.com/style/articl...ntl/index.html
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Old April 28th, 2019, 01:22 PM   #2665
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Adamlar ileri görüşlü.
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