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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4 `$ S/ V5 M" f& _) \( w7 Zmusk 的 electric compressor fan 在其计划书里是这么描述 （其中的一种）：
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( w: f$ i6 D' @4 B& dHyperloop Passenger Capsule ( |& F% B2 I& B. R0 N' _4 G9 e& N
1. Tube air is compressed with a compression ratio of 20:1 via an axial compressor. , x! j2 _7 y X) M4 R6 {
2. Up to 60% of this air is bypassed: . \- U# o3 n M3 L. S8 ^
a. The air travels via a narrow tube near bottom of the capsule to the tail.
, Y5 G3 `3 X. A) d- y3 G- O8 Ib. A nozzle at the tail expands the flow generating thrust to mitigate some of the small amounts of aerodynamic and bearing drag.
$ t* Q- J/ Q2 s! p- Y1 O; r3. 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. ' u4 A$ a8 Z M/ }4 b
a. This air is stored in onboard composite overwrap pressure vessels.
+ M/ O/ J: O9 j" X3 i9 jb. The stored air is eventually consumed by the air bearings to maintain distance between the capsule and tube walls.
4 C9 e0 L! O$ Z% T4. An onboard water tank is used for cooling of the air.
5 x! `4 k8 n7 K5 c4 O0 Z9 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).
* O7 ]8 _, e4 I- Ub. The steam is stored onboard until reaching the station. 2 A/ x8 n$ B A# {0 B- u
c. Water and steam tanks are changed automatically at each stop. 9 b0 R ?6 r, r! f6 n6 I% F& S
5. The compressor is powered by a 436 hp (325 kW) onboard electric motor:
1 [2 ]+ T- }, [$ \a. The motor has an estimated mass of 372 lb (169 kg), which includes power electronics. ; b# S% Q3 H$ I; K. }. k( K
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. & s+ N' |3 `# @* V/ E7 V: |
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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