Книга: Madeline Hansen «Keeping it Warm»

Keeping it Warm

Производитель: "LAP Lambert Academic Publishing"

Heating systems are the largest factor in determining the environmental as well as economic impact of running a winter greenhouse. As heating winter greenhouses proves very costly, environmental sustainability is often marginalized in the pursuit of minimizing heating system expenditures. This paper examines a range of heating systems (natural gas, propane, waste-heat water, biodigester, biomasss, geothermal, and solar power) to determine which is the most economical and environmentally responsible. A literature review was conducted examining the proposed heating systems, comparing the average Btu consumption values both for large and small greenhouses maintained at 50 F, during a typical winter season from October to March. The results of this review indicate that ground source heat pumps provide the most effective solution to heating a winter greenhouse in Minnesota, taking into account both the environmental and economic costs. ISBN:9783659458385

Издательство: "LAP Lambert Academic Publishing" (2013)

ISBN: 9783659458385

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См. также в других словарях:

  • warm — [wôrm] adj. [ME < OE wearm, akin to Ger warm < IE base * gwher , hot > Gr thermē, heat, thermos, warm, theros, summer, L formus, warm, fornax, furnace] 1. a) having or giving off a moderate degree of heat [a warm iron, warm coffee] b)… …   English World dictionary

  • warm — /wɔm / (say wawm) adjective 1. having or communicating a moderate degree of heat, as perceptible to the senses. 2. of or at a moderately high temperature; characterised by comparatively high temperature: a warm climate. 3. having a sensation of… …  

  • warm undershirt — flannel garment which has long sleeves and is used for keeping warm during the winter …   English contemporary dictionary

  • warm — wÉ”rm /wɔːm v. heat up; excite; be excited; arouse affection; be filled with affection adj. slightly hot, tepid; giving or keeping in heat; having a high temperature (from sickness or physical exertion); hearty, sincere; quick tempered; close;… …   English contemporary dictionary

  • Cold-weather biking — A bicycle set up for winter commuting with metal studded tires, enclosed chain case, and drum brakes Cold weather biking (also referred to as winter biking, snowbiking or icebiking) is the activity of cycling in winter weather with snow, ice, and …   Wikipedia

  • Icebiking — (also referred to as snowbiking or winter biking) is the activity of cycling in cold winter weather on roads and paths covered with snow, ice, and slush. In addition to the challenges of cold weather and slippery road surfaces, winter bikers also …   Wikipedia

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