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Heat EXchangers (HEX) that are used in City Gate Station (CGS) systems are modeled numerically to recover the exhaust waste heat. It was tried to find the best viscous model to obtain results in accordance with experimental results and to change the heat exchanger design. This HEX is used for recovering heat from exhaust flue gas with a mixture of 40% water and 60% ethylene glycol as the coolin...

From the Lung Station (Tufts), Tufts Medical Service, Boston City Hospital, Boston, Massachusetts and Department of Surgery, Harvard Medical Snhoo!, and the Transplant Division, Sears Surgical Laboratory, Boston City Hospital, Boston Massachusetts. Requests for reoNs should be a? dressed to or. Earle B. Weiss, Lung Station (Tufts), Boston City Hospital, 818 Harrison Avenue, Boston, Massachusett...

Now a day’s Railway systems plays a key role in transportation in the world. The demands for the trains are increasing drastically. The demand also increases the update of technology day to day. The train journey should be more secure. One of the problems in railway transportation is gate control system. Presently in railways the gate is controlled by manpower. Whenever the train arrives, that ...

The present work attempts to automate the opening and closing of gates at a railway level crossing. In general, level crossing gates are operated manually by a gate keeper. The gate keeper receives the information about the train arrival from a near station. When the train starts to leave the station, the station in-charge delivers this information to the closest gatekeeper to get ready. This h...

The number of COVID-19 cases in Surabaya was one the highest Indonesia at beginning pandemic. This study aims to determine mobility and activity patterns people during pandemic find a correlation between City using Pearson’s Coefficient Correlation (PCC). data used are Gubeng Station, Purabaya Terminal, Waru Utama toll gate, Community Mobility Reports. pattern 2020 is divided into 5 phases, nam...