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Powerhouse Bratt?rkaia能源大楼照明设计

2019-09-10    

来源:谷德设计网

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导语: 世界资源研究所的数据显示,能源部门和建筑行业的温室气体排放量占全球工业废气总排放的40%以上。随着世界人口问题和气候危机的不断加重,事务所Sn?hetta面临的挑战是如何为人们创造出高质且环保的建筑空间。作为世界最北端的能源积极型建筑,Powerhouse Bratt?rkaia力图制定一个未来建筑的新标准:让建筑在其使用期限内所生产的能源大于消耗。

世界资源研究所的数据显示,能源部门和建筑行业的温室气体排放量占全球工业废气总排放的40%以上。随着世界人口问题和气候危机的不断加重,事务所Sn?hetta面临的挑战是如何为人们创造出高质且环保的建筑空间。作为世界最北端的能源积极型建筑,Powerhouse Bratt?rkaia力图制定一个未来建筑的新标准:让建筑在其使用期限内所生产的能源大于消耗。

The energy sector and building industry accounts for over 40 % of global industry’s heat-trapping emissions combined, according to the World Resources Institute. As the world’s population and the severity of the climate crisis continue to grow, we are challenged to think how to build responsibly – creating high quality spaces for people while also reducing our environmental footprint. As the world’s northernmost energy-positive building, Powerhouse Bratt?rkaia aims to set a new standard for the construction of the buildings of tomorrow: one that produces more energy than it consumes over its lifespan, including construction and demolition.

▼项目概览,overview

Powerhouse Bratt?rkaia位于北纬63度的挪威特隆赫姆。在那里,阳光的季节差异性十分明显,是收集和储备太阳能的绝佳之地。这座18000平方米的办公大楼坐落在港口边上,通过大楼尾部的人行天桥与特隆赫姆中央车站相连。滨水立面是该建筑最窄的一面,使得它看起来与周围建筑的规模无异。覆盖着黑色铝和太阳能板的立面倒映在特隆赫姆峡湾的海面。

▼建筑立面倒影在特隆赫姆峡湾海面,the fa?ade is reflected in the adjacent Trondheim Fjord

Thursday, September 5, 2019 —?Powerhouse Bratt?rkaia is located in Trondheim, Norway, 63° north of the Earth’s equator, where sunlight varies greatly between the seasons. This presents a unique opportunity to explore how to harvest and store solar energy under challenging conditions. The 18 000 m^2?office building is situated by the harbor and connects to Trondheim Central Station via a pedestrian bridge on the rear end of the building. The waterfront fa?ade is the slimmest face of the building, allowing the project to be read at a similar scale with its neighbors. Clad with black aluminum and solar panels, the fa?ade is reflected in the adjacent Trondheim Fjord.

▼大楼通过尾部的人行天桥与特隆赫姆中央车站相连,building?connects to Trondheim Central Station via a pedestrian bridge

▼与天桥相连的大楼尾部,the end of the building connected to the footbridge

“能源积极型建筑代表着未来。设计行业的口号应是‘形式遵循环境’而非‘形式服从功能’。这意味着在当今社会,建筑设计首要关注和必须遵循的都应该是如何实现对环境的保护。”Sn?hetta的创始人Kjetil Tr?dal Thorsen说。平均而言, Powerhouse Bratt?rkaia每天的供电量是其用电量的两倍多。并且它还将通过当地的微电网为其自身、邻近建筑、电动公交车、汽车和船只提供可再生能源。

“Energy-positive buildings are the buildings of the future. The mantra of the design industry should not be ‘form follows function’ but ‘form follows environment’. This means that the design thinking of today should focus on environmental considerations and reducing our footprint first, and have the design follow this premise,” says Sn?hetta Founder Kjetil Tr?dal Thorsen.?On average, Powerhouse Bratt?rkaia produces more than twice as much electricity as it consumes daily, and will supply renewable energy to itself, its neighboring buildings, electric buses, cars and boats through a local micro grid.

▼建筑节能系统示意图,schematic diagram of energy saving system of the project

项目的主旨分为三个部分:最大限度地生产清洁能源;最大限度地减少能源消耗;竭尽所能地为租户和公众提供一个舒适的空间。项目在选址上也十分用心,一切都以能让建筑获得最大的光照量为前提。为了尽可能多地获取太阳能,其倾斜的五边形屋顶和立面的上部覆盖了近3000平方英尺的太阳能电池板。在一年多的时间里,该建筑使用清洁和可再生能源的总发电量约为50万千瓦时。实际上,作为一个位于市中心的小型发电厂,该建筑在发电之余,还利用自身充足的储能空间将储存的电能根据季节性的需求来做调配。

▼倾斜的五边形屋顶和立面的上部覆盖了近3000平方英尺的太阳能电池板,?its skewed, pentagonal roof and the upper part of the fa?ade is clad with almost 3000?m??of solar panels

The aim of the project is threefold; to maximize the amount of clean energy produced by the building, to minimize the energy required to run it, and to serve as a pleasant space for its tenants and the general public. The building’s site has been carefully chosen to ensure maximum exposure to the sun throughout the day and seasons. Its skewed, pentagonal roof and the upper part of the fa?ade is clad with almost 3000 m? of solar panels, strategically placed to harvest as much solar energy as possible. Over a year, this amounts to a total of about 500000 kWh with clean, renewable energy. In effect, the building dually functions as a small power plant in the middle of the city. Ample space for energy storage is built into the building footprint, allowing it to store surplus energy in the summer months of near total daylight, to then use it in the winter months when daylight is at a minimum.

▼俯瞰天井,overlooking the patio

该建筑具有极高的能源利用率,可通过一系列技术从根本上减少日常运营中的能源消耗。例如使建筑达到最高效率的隔热;安装智能气流系统以减少加热的需要;空气和灰水(除厕所外的所有来源的废水)的热回收;通过海水的加热和冷却来调节室温以及只使用节能电器等等。在整个建筑设计中,日光条件得到了充分优化,人工照明的使用也维持在最低限度。

The building is extremely energy efficient, leveraging a series of technologies to radically reduce energy use for its daily operations. This is accomplished through insulating the building for maximum efficiency, installing intelligent solutions for air flow to reduce the need for heating, heat recovery solutions for ventilating air and greywater (wastewater from all sources except toilets), using seawater for heating and cooling and implementing only energy efficient electrical appliances. Daylight conditions are optimized throughout the building design and artificial light use is kept at a minimum.

▼建筑天井细部,details of the sloping roof

为了人类能在这个星球上继续繁衍生息,我们的居所需要建立在对自然的保护、能源的有效利用以及居住舒适度的考虑之上。作为世界上最北端的能源积极型建筑,Powerhouse Bratt?rkaia正在树立一种肩负使命地来建造人类未来居所的形象。

For humans to continue to live and thrive on this planet, and in the buildings we inhabit and spend most of our lives in, these need to be built with as much consideration for natural preservation and energy efficiency as for the comfort of the people inside them. As the world’s northernmost energy-positive building, Powerhouse Bratt?rkaia is setting an example for responsibly constructing our homes and office spaces for the future.

▼倾斜的天井使大楼的每一层都能沐浴到阳光,this skewed lightwell allows daylight to enter the building on every floor

从港口的正面望去,建筑立面向内倾斜,给人一种活力四射的感觉。当从相反的方向望去,可以看到建筑斜面的中心有一个巨型天井,它能够为办公区域提供充足的阳光,同时也为大楼内部的工作人员提供了一个可以欣赏城市风光的绝佳视野。中庭区域控制了建筑内所需人造光的数量,巨大的玻璃窗和充满阳光的开放空间营造了舒适怡人的工作环境。

Viewed from the harbor front, the building fa?ade’s sides cants inwards, bringing associations to how the building is bursting with energy. From the opposite approach, the sloping roof of the building reveals a cutout in the center of its plan that allows daylight to flow into the office spaces. Within this illuminated core is an atrium that functions as a public garden with horizontal glass windows on the sides, providing skylight into the below canteen. This skewed lightwell allows daylight to enter the building on every floor, and gives the people working inside a great view of the city. The atrium also limits the amount of artificial light needed inside the building. Large glass windows and pleasant open spaces flooded with daylight contribute a comfortable and inviting work environment.

▼从港口相反方向看去的城市美景,the sloping roof of the building?gives the people working inside a great view of the city

为了减少照明设备的能源消耗,建筑使用了一种叫做“液体光”的新概念光源。这种光源的明暗强弱可以根据大楼内的实际情况和活动需要来自由调节。有了倾斜天井和新概念光源, Powerhouse Bratt?rkaia消耗在照明上的能源还不足同等建造规模的商业大楼的一半。

In order to reduce energy use on lighting, the building employs a concept called “liquid light”, which allows the artificial light to smoothly dim up and down according to the activity and movement in the building. Taken together, these strategies allow Powerhouse Bratt?rkaia to consume only about half the amount of energy for lighting than a typical commercial office building of comparable size would.

▼办公室节能照明系统, the office lighting system

▼“液体光”,the?“liquid light”

大楼为包括建筑和航运公司在内的多种商业租户提供办公空间,同时还支持了一项重要的政府项目。一楼的咖啡馆和游客中心作为学生团体和普通市民的公共教育资源,面向全部市民开放。游客中心详细阐释了大楼的节能概念,为公众对未来可持续发展策略的认识和探讨提供了信息支持。

The building provides office spaces for a diversity of commercial tenants, including construction and shipping firms, while also housing a significant public program. A café and a visitor center at the ground floor are open to the people of Trondheim as an educational resource for school groups and the general public alike. The visitor center explicates the energy concept of the Powerhouse and supports public knowledge and discourse on sustainable building strategies for the future.

▼建筑一楼的游客中心,?a visitor center at the ground floor

▼办公空间,the?office spaces

▼办公区域的通风装置细部,details of the?ventilation system

Powerhouse优先考虑居住者的舒适感和健康状况,然后采取相应策略,在获取新鲜空气和舒适温度的同时,平衡大楼对节能效率的极致要求。通风系统为室内提供清新宜人的空气,并能很好地适应特隆赫姆温和潮湿的气候。办公区域安装了一个调节通风的空气供应装置,空气在楼层间以低速流通,而换气工作集中在楼梯竖井处进行。此外,建筑的结构体系由热质低排的混凝土组成,它们通过天花板上排布的开口暴露出来。这种材料可以在不用电的情况下帮助调节建筑的温度。

The Powerhouse prioritizes the physical comfort and well-being of the building’s occupants with strategies that balance its focus on fresh air and thermal comfort with extreme energy-efficiency. The ventilation system provides pleasant and clean air to the indoor spaces and accommodates Trondheim’s mild and humid climate. The office landscape contains technical installations for air supply that regulate ventilation. The air is let out close to the floor at low speed, while the extraction takes place centrally by suppression in the stair shafts. Further, the building’s structural system consists of thermal mass – low-emission concrete – which is exposed through strategic cutouts in the ceiling. The mass absorbs and retains heat and cold and helps regulate the temperature in the building without using electricity.

▼换气工作集中在楼梯竖井处进行, the extraction takes place centrally by suppression in the stair shafts

Powerhouse Bratt?rkaia在节能领域所做的努力,得到了BREEAM授予的“杰出”证书认可。这是在目前世界领先的、对资产环境、社会和经济可持续发展性能的评估体系中,所能给出的最高评价。UNFCCC Paris Agreement致力于将全球气温的上升控制在1.5摄氏度以内,而Powerhouse Bratt?rkaia的节能方法也许能为这一目标的实现提供些许帮助。

For its efforts, Powerhouse Bratt?rkaia has received the BREEAM Outstanding certification, the highest possible ranking by the world’s leading sustainability assessment method for an asset’s environmental, social and economic sustainability performance. Its solutions support the UNFCCC Paris Agreement that pursues efforts to limit the global temperature increase to 1.5 degrees Celsius.

▼建筑细部,details of the building

▼不同楼层平面图,plan

▼立面图,elevation

▼剖面图,section

标签:建筑  大楼  能源  办公  照明  灯光  

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