The ground source heat pump can reduce electrical energy requirements for the heating of buildings by up to 70% compared with electrical resistive heating; however, the cost of ground loop installation can be a disincentive to their use. Foundation structures, such as concrete piles, are...

As the largest developing country in the world, China is urgently in short of energy and natural resources. However, biological resources such as crop residues are burnt in the field, which cause serious environmental pollution. Still it is not clear how much storage and potential of these huge...