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Effect of increasing temperatures on cooling systems. Livestock farms: a case of study

机译:温度升高对冷却系统的影响。畜牧场:一个研究案例

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摘要

We developed a methodology to evaluate the changes in cooling technologies of agricultural buildings derived from different scenarios of global climate change. Four 2080s scenarios were analysed for 6 European locations, using as a case study fattening pig farms and 3 cooling technologies: natural and forced ventilation, and cooling pads. The climate scenarios were constructed as a combination of general circulation models (Had CM2 and ECHAM4) downscaled for Europe with the HIRHAM and RCA3 regional models and driven by the A2 and B2 socio-economic scenarios. A steady-state heat balance model was used for the energy analysis in the livestock farms. The results showed that no changes in cooling technologies are necessary in the Mediterranean Basin; cooling pads were efficient enough for adequate climatisation both in the present and future scenarios. In northern European locations results were different, depending on the future scenario. Most scenarios indicated that cooling pads will be needed in fattening pig farms in the 2080s, while ventilation is efficient enough in the present scenario. The economic consequences will be important, as the costs associated with cooling pads are much higher than the costs of natural or forced ventilation
机译:我们开发了一种方法来评估源自全球气候变化不同情景的农业建筑制冷技术的变化。以增肥养猪场和3种冷却技术为例,分析了欧洲6个地区的2080年代的四种情景:自然通风和强制通风以及冷却垫。气候情景是由在欧洲缩减的普通环流模型(Had CM2和ECHAM4)与HIRHAM和RCA3区域模型组合而成,并受到A2和B2社会经济情景的驱动。稳态热平衡模型用于牲畜场的能量分析。结果表明,地中海盆地无需改变冷却技术。在当前和将来的情况下,冷却垫的效率足以应付气候变化。在北欧地区,结果会有所不同,具体取决于未来的情况。大多数情况表明,在2080年代的育肥猪场将需要冷却垫,而在当前情况下通风足够高效。经济后果将很重要,因为与冷却垫相关的成本远远高于自然通风或强制通风的成本

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