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How to Make It Hot Without Touching It?

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A plate-type heat exchanger is a device which transfers the heat stored in one fluid to another fluid at a different temperature by passing the different fluids by each other in plate-like chambers.  The flow of the fluids may be cross-flow, parallel-flow, or counter-flow (perpendicular), as defined by the directions from which the fluids are supplied to the exchanger.

Trend Watch: Artistic, Environmentally-Friendly Wallcoverings

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For those of you who grew up in the ‘70s, wallpaper may conjure memories of obnoxious stripes and florals that made you want to plan a great escape from your vinyl seat at mom’s aluminum breakfast table. I’m going to attempt to replace the outdated misconceptions that may plague your mind when you hear the word “wallpaper” and introduce a new perspective into your psyche: not only are today’s wallcovering options beautiful and environmentally friendly, many can truly be considered an art form.

Biophilia: Our Affinity for Nature Can Help Us to Transform Our Living Spaces

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What is it that makes a person like a building? Beyond simple differences in individual taste, scientists are identifying biologically based responses that determine our preferences.

Green design can mean many things. Even the most structured green building rating systems reflect this fact. At their most encompassing, rating systems can include far reaching social and cultural goals; at their most pragmatic, these systems still emphasize the importance of environmental quality for the end user. However, this type of imprecise consideration is often overshadowed by components that are more measurable, such as energy-efficient heating and cooling systems or water usage.

BIM for Small Businesses: The Benefits to You

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You’ve been reading about BIM. It’s being used by all of the big companies, and they’re talking about the benefits they’ve reaped.You know that BIM will be coming to your workplace soon, too, but how and from what direction? Are you just supposed to buy a software suite and hope for the best?

As it turns out, that’s an approach not even the product makers and suppliers would recommend. Building information modeling (BIM) is increasingly being described as a "disruptive" technology, even by its biggest promoters, for a reason.“Most people now understand that BIM is a process, not a product,” says Catherine Palmer, Sr. Industry Marketing Manager, AEC Solutions at Autodesk. “It’s a paradigm shift.” When asked how small to medium sized firms should handle the move to BIM, Jim Lynch, Vice President, Building Product Line Group at Autodesk recommends education as a first step. “Position yourself by beginning with the concept,” says Lynch, “Then embrace it.”

WaterSense-Labeled Homes

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In recent years, water issues have become a very hot topic. Water shortages throughout the western United States, as well as severe droughts in the southern, have made water usage a major concern. Many green building experts agree that with a growing global population we can no longer rely only on water conservation. Instead, green building technologies must quickly implement water efficiency. With that in mind, the Environmental Protection Agency (EPA) has expanded its WaterSense program with a comprehensive WaterSense Label for new homes.

Rebuilding Japan After the Tsunami

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In the past year, we’ve seen many wrenching images of post-tsunami Japan. What has happened since March, and how much hope is there for the affected area’s recovery?

Media coverage was intense following Japan’s Tohoko earthquake and tsunami on March 11, 2011. Despite the scale of this disaster, coverage inevitably shifted to other news stories. The people of eastern Japan still have a long road ahead in the rebuilding and recovery process. How are they faring, nine months later?

Relationships and Contract Administration

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Construction is about building, and not only in the sense of infrastructure: building professional and cordial relationships between the three principals on a project results in a better facility constructed on time and within budget. The relationships between the owner (or developer), the contractor, and the engineer (or other design professional) are defined by the General Conditions of the Construction Contract, published by the Engineers Joint Contract Documents Committee (EJCDC).