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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& O% a5 p( J U7 z3 I; \& Fmusk 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 ( Y Z$ x! r: K* L$ ~) A
1. Tube air is compressed with a compression ratio of 20:1 via an axial compressor. 9 D7 N2 d% L8 v( T( T7 \' h k
2. Up to 60% of this air is bypassed:
$ u) ~: M. m' B5 ?6 M) x, h; Ua. The air travels via a narrow tube near bottom of the capsule to the tail.
& d- d; _7 i" Qb. A nozzle at the tail expands the flow generating thrust to mitigate some of the small amounts of aerodynamic and bearing drag.
( d" Q3 V+ k# y& v8 Z: }6 f# K2 L3. 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.
6 h/ ^+ R# c6 F- R) z3 Ea. This air is stored in onboard composite overwrap pressure vessels.
5 [7 t( U: g2 ?1 Eb. The stored air is eventually consumed by the air bearings to maintain distance between the capsule and tube walls.
2 c- O# g& \1 }' r4. An onboard water tank is used for cooling of the air.
3 W" D: C& E4 Y' ^$ l2 R. I4 V) Qa. Water is pumped at 0.30 lb/s (0.14 kg/s) through two intercoolers (639 lb or 290 kg total mass of coolant).
. s5 ^7 D: ~/ F- m# G1 wb. The steam is stored onboard until reaching the station.
/ F- f& {) s8 {0 sc. Water and steam tanks are changed automatically at each stop. % ]0 H& i2 j$ _9 Z( G
5. The compressor is powered by a 436 hp (325 kW) onboard electric motor: . M$ [8 f. @' i2 Y0 S6 X) S
a. The motor has an estimated mass of 372 lb (169 kg), which includes power electronics. , ^6 c, f5 K( Y- z; x; V1 b4 H
b. 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.
- v4 Y9 {) {7 L$ u1 l: r; [c. 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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