High rises need energy

An international expert on wind engineering has said that Dubai needs to focus on better sustainable energy modeling for better performance in high-rise buildings and will need to pay close attention to local weather conditions.

Davies: abundant sunlight makes solar hot water systems a smart choice for developers.
Davies: abundant sunlight makes solar hot water systems a smart choice for developers.

An international expert on wind engineering has said that Dubai needs to focus on better sustainable energy modeling for better performance in high-rise buildings and will need to pay close attention to local weather conditions.

Anton Davies, senior vice president, RWDI Canada said that the region is characterised by availability of abundant sunlight and utilisation of it using photovoltaic and solar hot water systems is crucial.

"Presently, wind tunnel studies offer the best estimate of wind pressue on a building for cladding as well as structural frame design. The wind tunnel test also confirms the accuracy of Computational Fluid Dynamics (CFD) simulations.

In general, code analytical methods are helpful for preliminary design and for simple situations. Even codes recommend wind tunnel testing for complex or tall buildings."

He also pointed out the benefits of energy efficient measures such as double facades, under floor air systems, radiant slabs, thermal mass, shading, noise, acoustics, vibration, fire safety and high performance mechanical systems.

Khalid Mohammed Saleh, director of Building Department at Dubai Municipality noted that a recent report revealed that the value of real estate projects has increased from US $90 billion to $143 billion in the Middle East for the period of 2005-2006.

"Dubai leads by far in this phenomenal growth. The Dubai Strategic Plan 2007-2015, rolled out by HH Sheikh Mohammed bin Rashid Al Maktoum, UAE vice-president and prime minister and Ruler of Dubai, places significant emphasis on wise utilisation of resources to build a firm foundation of qualitative and quantitative achievements, forming a fertile environment for sustained growth in the era of globalisation.

This should be considered as the dawn of green revolution in the construction sector," he said.

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