TA的每日心情 | 擦汗
2019-6-16 23:34 |
|---|
签到天数: 1277 天 [LV.10]大乘
|
3 v1 ]; H& c; ^% |' Nmusk 的 electric compressor fan 在其计划书里是这么描述 （其中的一种）：4 @7 e4 V' Q/ G* q
4 S4 Y8 M) q9 t2 G A" P* p: j
Hyperloop Passenger Capsule 1 |& Y. U% X/ `7 |
1. Tube air is compressed with a compression ratio of 20:1 via an axial compressor.
3 l1 Y2 V# k% [4 _ X. T$ m2. Up to 60% of this air is bypassed: 0 @) [, s: a1 J: H: \
a. The air travels via a narrow tube near bottom of the capsule to the tail. . U0 J' w9 m: H8 W$ ]
b. A nozzle at the tail expands the flow generating thrust to mitigate some of the small amounts of aerodynamic and bearing drag.
. s/ C' M% N, C4 [6 P; `$ d3. 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 {5 z3 \0 _& d3 g' d9 J
a. This air is stored in onboard composite overwrap pressure vessels. * [# H! l% h1 z
b. The stored air is eventually consumed by the air bearings to maintain distance between the capsule and tube walls. $ m1 l3 Z# G$ A
4. An onboard water tank is used for cooling of the air. % ^3 I, c, k/ w+ c; z! P0 L! R
a. Water is pumped at 0.30 lb/s (0.14 kg/s) through two intercoolers (639 lb or 290 kg total mass of coolant).
4 a& m# e6 x, L* ob. The steam is stored onboard until reaching the station.
* D+ C/ c0 O+ n- \; {, M7 e2 xc. Water and steam tanks are changed automatically at each stop. ' c) w# Z$ y2 D- o. P1 }4 Y
5. The compressor is powered by a 436 hp (325 kW) onboard electric motor:
5 u0 y) G2 @( L% u0 n" Sa. The motor has an estimated mass of 372 lb (169 kg), which includes power electronics.
$ G# t: h9 ^9 `. Y, ob. 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 \6 a' P6 K2 a, B; ^' Ic. Onboard batteries are changed at each stop and charged at the stations. |
|
雷达卡
发表于 2017-10-18 12:30:25
显身卡
楼主