Winair for ecotect
One of the greenship item that can’t be simulated yet is OTTV calculation. But direct radiaton and diffuse radiation have to be calculated graphically through use of sun-radiation diagram overlaid on sun-path diagram according to a city where the site located. Some data such as temperature, relative humidity and wind can be obtained from local wheater stations. There are some steps to convert the local weather data to be a compatible one with Ecotect. The basis for Time lag and SHGC calculation have been adapted from a book titled House, Climate and Comfort by Martin Evans.Īnother limitation that has not been fully supported by Ecotect is weather files for any city in Indonesia. Recently there is a tool that has abilities to solve the problems, called Ecotect Supporting Program (ESP) released by Studio Gentra, Bandung. One of the limitations is some data like Time lag and Solar Heat Gain Coefficient (SHGC) have to be calculated outside Ecotect. Nevertheless, Ecotect has some limititations that we have to consider because they can influence the final result of certain simulations.
Winair for ecotect software#
On the contrary, Energyplus is not user-friendly software for architects because it is intended for mechanical engineers. Ecotect can simulate some building performances with this criteria with a wide range of simulation such as sun-shading design, daylighting, artificial lighting, cfd simulation, thermal comfort, cooling load and electricity consumption. For early stage of design process, it is very important to uses a software that enable us to integrate intuitively architect’s ways with an easy understanding simulation result for architects.
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In the Greenship rating system of Green Building Council Indonesia (GBCI), the chance for green building simulation has been opened especially on daylighting, air movement and energy simulation.
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Any building performance that can’t be simulated yet had to be calculated manually such Overall Thermal Transfer Value (OTTV) but some parts of the formula can be supported by Ecotect to calculate U-value and shading percentage (G). As example for energy simulation, Ecocect is useful for early stage of the design process, but as the design nears completion it needs Energyplus for more accurate simulation. The simulation process has been supported by various tools such as Ecotect, Energyplus, etc, that each software has some specific abilities for some specific simulations. The building performance simulations and calculations are very important things for the future performance prediction of the building we have designed. By Ismail Zain, ST – Studio Gentra (Green Building Simulation Studio)