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! D$ D- u' Y: Tmusk 的 electric compressor fan 在其计划书里是这么描述 （其中的一种）：3 } U3 ]- a# A( O3 c- b
& I0 d4 |3 ~, O) w8 a$ s% SHyperloop Passenger Capsule
5 v1 w' F; d1 k' {1. Tube air is compressed with a compression ratio of 20:1 via an axial compressor.
; w' Y+ W* P% z+ _2. Up to 60% of this air is bypassed:
, m& \. H6 z- K% H/ F( i9 S# Za. The air travels via a narrow tube near bottom of the capsule to the tail.
! `- s8 r* z; ]. }0 `8 r7 n/ Jb. A nozzle at the tail expands the flow generating thrust to mitigate some of the small amounts of aerodynamic and bearing drag. 0 b$ f. f7 q7 m, p" P8 F" [
3. 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. : o% @8 U' _# X" o6 ~. J
a. This air is stored in onboard composite overwrap pressure vessels.
: s' z. p; v6 ]. {0 lb. The stored air is eventually consumed by the air bearings to maintain distance between the capsule and tube walls.
4 K7 |9 K- L0 E% ~, {" D4. An onboard water tank is used for cooling of the air.
6 J" M$ G% } K$ Ca. Water is pumped at 0.30 lb/s (0.14 kg/s) through two intercoolers (639 lb or 290 kg total mass of coolant). 1 c9 `) h+ e! c) G" u1 S4 N- l
b. The steam is stored onboard until reaching the station. 3 Q) w I2 s2 Z0 z4 ?6 [1 @# B
c. Water and steam tanks are changed automatically at each stop.
$ U' H- Z0 T5 @& w+ g5. The compressor is powered by a 436 hp (325 kW) onboard electric motor: 8 P8 O+ l$ e7 `$ |7 s
a. The motor has an estimated mass of 372 lb (169 kg), which includes power electronics.
- D0 m N* i& k% v+ {* ib. 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. 5 A- G$ `4 D8 M u5 g& {
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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