PENGARUH VARIASI SUDUT KEMIRINGAN KOLEKTOR SURYA PLAT DATAR ABSORBER BATU GRA…

Petroleum is the current fossil energy which is still the main choice in meeting the world's energy needs in particular Indonesia. But when this energy is used continuously then it will be depleted because for availability is very limited and cannot be renewed. In addition, this energy also has a negative impact on the surrounding environment because it can cause air pollution. Solar energy the…