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2025-05-22 15:32本頁面
【正文】 is 28 story office floors. Surprisingly, the specific cooling energy (W/m2) of the office building is significantly larger than that of buildings of parable size located in downtown San Francisco using a mon forced air airconditioning system. The building has approximately 60% of its 100,000 m2 ceiling area equipped with radiant cooling panels, and it is expected that these systems require less cooling energy for operation than AllAir Systems that provide the same cooling effect. Our project for Brose will investigate and analyze all systems, such as air supply, envelope and glazing systems, return air, and radiant cooling/heating with their interdependencies and will use significantly less energy as a conventionally airconditioned office building. The optimized systems and the hydronic concept will thus provide a healthier indoor environment than AllAir Systems. Air Distribution The key to the understanding of the integration of the Brose building system is the partial separation of the heating and cooling function from the ventilation requirements of the new facility. Since heating and cooling are largely provided by the thermal mass with its embedded hydronic system, the ventilation infrastructure can bee significantly smaller. The supply air for the new facility will be entering the occupied spaces through an access floor system, which is raised 0,30 m above the structural slab. Supply air diffuser placement is flexible, and can be changed according to the requirements of the workstation layout. Supply air enters the occupied zones at a reduced velocity of m/s as displacement ventilation. As with hydronic cooling systems, displacement ventilation has been used in Northern Europe in theaters, office buildings, restaurants and auditoriums for at least twenty years in all applications where contaminants are not heavier than air. Special attention has to be placed on temperature in order to avoid disfort in the supplied and occupied zone. Indoor air quality is improved so is energy efficiency. The pressurized access floor in the Brose building will omit ducts。rnberg, and one in Coburg), served as a model for this new North America headquarter. In all three buildings, the concept of activated and utilized thermal mass was used in accordance to their own primary structural system. Not only does this strategy save energy and create a superior interior climate for the occupants but also to show new ways of early integration of systems thinking and crucial and advanced technical solutions into the very early design stages. Therein, building technology will have the real chance to be integrated and not just be an afterthought, such as in many structures where a team approach between the engineer and the designer was, or could not be established early on. The historic Reichstag building, the German parliament was at the time of its inauguration in December of 1894 one of the most sophisticated and technically advanced buildings of its time. The design incorporated central heating, humidification and summer “cooling” with the help of thermal mass. Paul Wallot, the architect of the building, responded as follows when asked how the arts of architecture, painting, sculpture are related: ”Today some have spoken of three ?sister arts?, architecture, painting, and sculpture. But in our time there is a fourth art which has joined theses, the art of engineering. A steam engine, in my opinion, is the highest artistic achievement in that purpose and means are bined to perfection. In any harmonious collaboration of all the arts, I would includ
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