TA的每日心情 | 擦汗
2019-6-16 23:34 |
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签到天数: 1277 天 [LV.10]大乘
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( K( q$ a5 J2 @/ w3 amusk 的 electric compressor fan 在其计划书里是这么描述 （其中的一种）：
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Hyperloop Passenger Capsule # _* [$ o$ m) U A+ ^; I
1. Tube air is compressed with a compression ratio of 20:1 via an axial compressor. ! t& a, V- V+ |7 W. g0 N9 N' z
2. Up to 60% of this air is bypassed:
) C. `# ?1 M: Ea. The air travels via a narrow tube near bottom of the capsule to the tail. ( X& a! q% F& D8 r
b. A nozzle at the tail expands the flow generating thrust to mitigate some of the small amounts of aerodynamic and bearing drag.
6 U/ S$ `' O* |0 C: i3. Up to 0.44 lb/s (0.2 kg/s) of air is cooled and compressed an additional 5.2:1 for the passenger version with additional cooling afterward. , D; ]3 x9 s2 H
a. This air is stored in onboard composite overwrap pressure vessels.
' z& t8 {) r" Y4 l& R: O8 s+ p4 zb. The stored air is eventually consumed by the air bearings to maintain distance between the capsule and tube walls.
7 P* I6 z* k- U4. An onboard water tank is used for cooling of the air.
3 {3 Z1 `9 t) Ka. Water is pumped at 0.30 lb/s (0.14 kg/s) through two intercoolers (639 lb or 290 kg total mass of coolant). : k3 w: _( |- V! k; V2 k7 h
b. The steam is stored onboard until reaching the station.
* u" @: S5 Z; J" qc. Water and steam tanks are changed automatically at each stop.
' x% }+ A' k' W9 p9 d% o1 @9 A1 Z5. The compressor is powered by a 436 hp (325 kW) onboard electric motor:
T2 r) z2 Y3 L+ h3 c' p5 @& Ra. The motor has an estimated mass of 372 lb (169 kg), which includes power electronics.
' f! Y% ~) q7 _% wb. An estimated 3,400 lb (1,500 kg) of batteries provides 45 minutes of onboard compressor power, which is more than sufficient for the travel time with added reserve backup power.
: d6 Y( w% P3 t0 ec. Onboard batteries are changed at each stop and charged at the stations. |
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雷达卡
发表于 2017-10-18 12:30:25
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