Technology and Operations
This forum is for discussing technological & operational matters pertaining to U-boats.
Re: re charging batteries
Posted by:
SnakeDoc
()
Date: May 11, 2013 02:28PM
Well, of course - introducing Junkers compressor (since U98) had aim to increase charging rate.
First - recharging air bottles with compressed air by means of diesel driven compressor was
a little bit effective than by means of electric compressor (in first case you had following "energy
transformation" - chemical energy of fuel->mechanical energy->compressed air, in second -
chemical energy of fuel->electric energy->battery->electric energy->mechanical energy->
compressed air).
Second - using Junkers compressor after surfacing to recharge air bottles mean that you did
not have to draw some current (~200 A) to run electric compressor, which in turn could be used to fed
batteries.
--
Regards
Maciek
[www.tvre.org]
First - recharging air bottles with compressed air by means of diesel driven compressor was
a little bit effective than by means of electric compressor (in first case you had following "energy
transformation" - chemical energy of fuel->mechanical energy->compressed air, in second -
chemical energy of fuel->electric energy->battery->electric energy->mechanical energy->
compressed air).
Second - using Junkers compressor after surfacing to recharge air bottles mean that you did
not have to draw some current (~200 A) to run electric compressor, which in turn could be used to fed
batteries.
--
Regards
Maciek
[www.tvre.org]
Subject | Written By | Posted |
---|---|---|
re charging batteries | laboe | 05/10/2013 08:58PM |
Re: re charging batteries | BHenderson | 05/11/2013 08:50AM |
Re: re charging batteries | laboe | 05/11/2013 11:46AM |
Re: re charging batteries | BHenderson | 05/12/2013 03:41AM |
Re: re charging batteries | SnakeDoc | 05/12/2013 09:21AM |
Re: re charging batteries | SnakeDoc | 05/12/2013 12:55PM |
Re: re charging batteries | SnakeDoc | 05/11/2013 12:41PM |
Re: re charging batteries | laboe | 05/11/2013 02:12PM |
Re: re charging batteries | SnakeDoc | 05/11/2013 02:28PM |
Re: re charging batteries | laboe | 05/11/2013 04:03PM |