Solutions machine design.docx - The round trip time(RTT is the time in seconds for a single car trip around a building from the time the car doors open

# Solutions machine design.docx - The round trip time(RTT is...

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The round trip time (RTT) is the time in seconds for a single car trip around a building from the time the car doors open at the main terminal, until the doors reopen, when the car has returned to the main terminal floor, after its trip around the building. N = 3 , Cc = 10 , P = 8, H = 3 , S = 3.4 Table 5.1 Page 108 Rated Speed (m/s) = 0.5 Table 5.3 Page 114 Acceleration (m/s²) = 0.4 3 floors x 3 meters = 9 < 20 Single Floor Flight time (s) = 10.0 t v (single floor transmit time) = 3 m ÷ 0.5 m/s = 6 s t o (time of door opening) = 2.5 s

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Unformatted text preview: t c (time of door closing) = 3.0 s t Tstotal = 10 + 2.5 + 3 – 6 = 9.5 s RTT (Round trip time) = 2H t v + (S + 1) t s + 2P t p t v (Single passenger loading time) = 1.5 s t o (Single passenger unloading time) = 1.5 s t c (Passenger Transfer time) = 1.5 s RTT = (2 x 3 x 6) + (3.4 + 1) * (9.5) + 2 * (8) * (1.5) = 101.8s UPPHC = (300 ÷ RTT) * P UPPHC = (300 ÷ 101.8) * (8) = 23.5756 person / 5 minutes *Elevator Traffic Handbook : Theory and Practice by Barney, G. C....
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• Spring '17
• Engr. Burguillos

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