Abstract
The authors has shown general characteristics of cogeneration system (CHP) on economic benefit and carbon dioxide reduction by simplifying the conditions without losing its basic features. The previous research indicated large economic improvement by networking heat supply among different building types. The present paper analyses the optimum distribution of building types as a CHP network, together with pipeline roots. Heat loss and necessary pipeline diameter, which affects cost significantly, are taken into the analysis. The result shows optimum size of the network and ratios of floor areas of building types as an example.
