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Urban weather generator - a novel workflow for integrating urban heat island effect within urban design process

 
: Nakano, A.; Bueno, B.; Norford, L.; Reinhart, C.F.

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Fulltext (PDF; )

Mathur, J. ; International Building Performance Simulation Association -IBPSA-:
14th International Conference of IBPSA Building Simulation 2015. Conference Proceedings. Online resource : December 7 - 9, 2015, Hyderabad, India
Ghent: IBPSA, 2015
http://www.ibpsa.org/?page_id=619
ISBN: 978-93-5230-118-8
pp.1901-1908
International Conference "Building Simulation" (BS) <14, 2015, Hyderabad>
English
Conference Paper, Electronic Publication
Fraunhofer ISE ()

Abstract
It is well known that local urban heat island (UHI) effects impact the urban environment from a public health standpoint and with regards to heating and cooling energy used by buildings. Unfortunately, neither urban planners and designers nor energy consultants currently have quantitative tools or methods at their disposal to incorporate this effect into the design of a neighborhood. This manuscript demonstrates the application of the earlier reported Urban Weather Generator (UWG) model (Bueno et al., 2012a, 2014) as a design tool to provide climate-specific advice for cityscape geometry and land use. UWG estimates local hourly urban canopy air temperature and humidity profiles from measurements at a nearby weather station based on neighborhood-scale energy balances. The morphed temperature output can be used to study the effect of localized UHI on building energy use profiles. To accomplish this, UWG was combined with a parametric simulation module that works either stand- Alone or through the urban modeling interface (umi) (Reinhart et al., 2013) in Rhinoceros 3D. The newly proposed workflow is demonstrated through a case study of the MIT East Campus development in Cambridge, MA, USA, that includes the addition of 130,000 m2 of laboratory space and residences to an existing urban condition. IPCC climate change predictions (Nakicenovic & Swart, 2000) are coupled with UHI to capture local and global heating on the site to promote thermally comfortable and energy-efficient development at each planning phase.

: http://publica.fraunhofer.de/documents/N-417870.html