Abstract
Drag reduction with CTAC surfactant solution will be one of the promising candidates to reduce pumping energy and heat loss in far-district heating/cooling energy transport systems. The investigation on the heat transfer performance of an inclined impinging jet in the drag-reducing flow was performed with the heat transfer and flow velocity measurements. The results obtained in the present study reveals the jet impingement will be one of the effective methods to control the local enhancement of the heat transfer.