Jinyu Liu currently works at the School of Environmental Science and Engineering, Tianjin University. Jinyu does research in thermal comfort of sleep and indoor air flows,the most recent publication is "The influence of passenger density on the thermal environment of subway cars".My recent research is about experimental study on thermal plume in tall factories，The next step is to study air flow at high and large temperature differences.I want to come up with an optimal way of ventilation that is good for both solid heat dissipation and energy conservation.