Engineering Horizons

NEWS & COMING EVENTS

NEWS & COMING EVENTS

NEWS & COMING EVENTS
April 14
16:55 2015

GOOGLE PLANS LARGE, ULTRAEFFICIENT CAMPUS

Google plans to build a new energy-efficient campus in California. The technology conglomerate has chosen Bjarke Ingels Group (BIG) to design its new campus near Santa Clara. The campus will be centered around two similar buildings rising to five stories and having a total floor space of 505,078 ft2 and 537,000 ft2 (46 923 m2 and 49 889 m2), respectively. The buildings will be topped by partially green roofs and will feature gently sloping terraces that offer access to each floor. The office interiors will make use of natural day lighting, solar power and gray water recycling. The campus—called “Caribbean”—is designed to achieve LEED gold certification.

RESEARCHERS DEVELOP WATER-BASED, ENERGY-SAVING AIR CONDITIONER

Researchers at the National University of Singapore (NUS) have developed a water-based air-conditioning system designed to cool air to as low as 18°C (64°F) without compressors and chemical refrigerants. According to NUS, the system consumes about 40% less electricity than conventional compressor-based air-conditioners. The system also generates drinking water—an estimated 12 L to 15 L (3 gallons to 4 gallons) per day—while it cools ambient air.

LASER EVAPORATION TECHNOLOGY CREATES NEW GENERATION OF THIN-FILM SOLAR MATERIALS

Researchers at Duke University have developed a method to create hybrid thin-film materials that would otherwise be difficult or impossible to make. They say the technique could be the gateway to new generations of solar cells, LEDs and photo detectors. In the RIR-MAPLE technique, a frozen solution containing the molecular building blocks for solar cell material is bombarded by lasers. This vaporizes the solution, which carries the materials to coat the bottom of the target surface above the solution. The research is published in the journal ACS Energy Letters.

CENTRIFUGAL CHILLER FROM JOHNSON CONTROLS

Johnson Controls says the new York YZ centrifugal chiller is the first chiller designed specifically for use with low-GWP refrigerant R-1233zd and using magnetic bearing technology. The company says it optimized every component of the chiller around R-1233zd. This approach, along with additional features such as oil-free magnetic-bearing compressors and variable speed technology, maximizes the chiller’s performance. R-1233zd (E) is a recently developed single component, non-flammable HFO refrigerant alternative to R-123.

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Engineering Horizons

Engineering Horizons

“Engineering Horizons” is the first & leading technical magazine of Pakistan covering Process, Mechanical, Metallurgical, Mining, Electrical & Electronics field under a single cover. We also feel pleasure in saying that this is the only magazine of its own kind & style, which is widely circulated in all Engineering Sectors of Pakistan.

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