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    Article

    Experimental study on thermal performance of filled-type evacuated tube with U-tube

    The filled-type evacuated tube with U-tube, in which the filled layer is used to transfer energy absorbed by working fluid in the U-tube, is proposed to eliminate the effect of thermal resistance between the a...

    Ruobing Liang, Liangdong Ma, Jili Zhang, Dan Zhao in Heat and Mass Transfer (2012)

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    Article

    Numerical investigation on the longitudinal distribution characteristics of falling film flow outside a vertical tube

    In order to design the vertical falling film evaporators applied in the sewage source heat pump systems, a numerical study employing the VOF (Volume of Fluid) method has been carried out to determine the thick...

    Tianjiao Zhang, Liangdong Ma, Jili Zhang in Heat and Mass Transfer (2021)