Hans von Wachenfelt, Vaia Vakouli, Alejandro Pacheco Diéguez’, Niko Gentile, Marie-Claude Dubois, Knut-Håkan Jeppsson
Research Article The Swedish animal production sector has potential for saving electric lighting of €4-9 million per year using efficient daylight utilisation. To demonstrate this, two light pipe systems, Velux® (house 1) and Solatube® (house 2), are installed in two identical pig houses to determine if the required light intensity, daylight autonomy (DA), and reduced electricity use for illumination can be achieved. In each house, three light sensors continuously measure the indoor daylight relative to an outdo ...
Published on 08 September 2015