Simple Solutions to Energy Calculations, Third Edition by Richard Vaillencourt

By Richard Vaillencourt

Built by way of a training engineer, this can be an integral reference that would prevent numerous hours doing strength feasibility reviews and linked calculations. the writer will proportion with you his secrets and techniques for simplifying complicated strength calculations, and aid you use his detailed, time-saving tools. you are going to the right way to lower via a maze of element utilizing cutting edge decision-making instruments to figure out even if you have to make investments actual money and time into constructing the main points of a undertaking into account. a number of power initiatives concerning pumps, lovers, automobiles, HVAC retrofits, insulation, and warmth restoration are lined, with entire calculation information and options technique provided. The 3rd version provides new fabric on "energy myths" linked to power calculations and conservation.

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By Richard Vaillencourt

Built by way of a training engineer, this can be an integral reference that would prevent numerous hours doing strength feasibility reviews and linked calculations. the writer will proportion with you his secrets and techniques for simplifying complicated strength calculations, and aid you use his detailed, time-saving tools. you are going to the right way to lower via a maze of element utilizing cutting edge decision-making instruments to figure out even if you have to make investments actual money and time into constructing the main points of a undertaking into account. a number of power initiatives concerning pumps, lovers, automobiles, HVAC retrofits, insulation, and warmth restoration are lined, with entire calculation information and options technique provided. The 3rd version provides new fabric on "energy myths" linked to power calculations and conservation.

Show description

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Example text

Especially for outdoor use. While MV and MH have the color rendering characteristics similar to fluorescent lamps, MV fixtures are not very efficient and MH fixtures are equal or slightly less efficient than fluorescent fixtures. A further drawback for MH fixtures is that the lamp life in wattages below 400 Watts is half that of HPS, MV and fluorescent lamps. The problem is that fluorescents are pretty much limited to indoor use (poor low temperature performance) and fixture light output under 40,000 lumens.

That is what I mean about an informed decision to conserve. Only you can decide if the two questions (Will there really be a savings? ) have been answered correctly. As a final note on the subject, there have been recent studies on the effect of heat build-up on the light output from a compact fluorescent. Compact fluorescents have the same problems with lamp wall temperature (LWT) as all other fluorescents. Studies have shown that the LWT rises above design temperature when a compact fluorescent is enclosed in a hihat fixture or an integral reflector/lens.

Fortunately, I insisted on installing a sample set of fixtures in the pickiest tenant’s space. It was a lawyer’s office. Four floors of the forty, 10% of the rentable space, controlled by this one law firm. They had clout and I knew it, so I wanted them to sign off on the selection. Essentially, the building manager agreed that if they were with us, the other tenants would not complain. The test area was one of the break rooms; six fixtures, each with two 13W compact fluorescent lamps, in a 10-by12 windowless room.

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