Coefficient of performance: Revision history

25 January 2011

• curprev 15:1815:18, 25 January 2011‎ SmackBot talk contribs‎ m 9,518 bytes +20‎ Dated {{Unreferenced section}}. (Build p604) undo
• curprev 15:0315:03, 25 January 2011‎ Wtshymanski talk contribs‎ 9,498 bytes +96‎ Copyedit, clarify and organize ( but this is way too much for an article on COP) undo
• curprev 10:2810:28, 25 January 2011‎ Pieter Felix Smit talk contribs‎ 9,402 bytes +4‎ →‎Example undo
• curprev 10:2510:25, 25 January 2011‎ Pieter Felix Smit talk contribs‎ 9,398 bytes +310‎ →‎Example undo
• curprev 10:1610:16, 25 January 2011‎ Pieter Felix Smit talk contribs‎ 9,088 bytes +12‎ →‎Example undo
• curprev 09:5909:59, 25 January 2011‎ Pieter Felix Smit talk contribs‎ 9,076 bytes +45‎ →‎Improving COP undo
• curprev 09:5409:54, 25 January 2011‎ Pieter Felix Smit talk contribs‎ 9,031 bytes +176‎ →‎Derivation undo
• curprev 09:5209:52, 25 January 2011‎ Pieter Felix Smit talk contribs‎ 8,855 bytes +8‎ →‎Improving COP undo
• curprev 09:5109:51, 25 January 2011‎ Pieter Felix Smit talk contribs‎ 8,847 bytes +343‎ →‎Derivation undo
• curprev 09:4709:47, 25 January 2011‎ Pieter Felix Smit talk contribs‎ 8,504 bytes −343‎ →‎Improving COP undo
• curprev 09:4509:45, 25 January 2011‎ Pieter Felix Smit talk contribs‎ 8,847 bytes +20‎ →‎Improving COP undo
• curprev 09:4309:43, 25 January 2011‎ Pieter Felix Smit talk contribs‎ 8,827 bytes +2,375‎ →‎Derivation undo
• curprev 08:1108:11, 25 January 2011‎ Pieter Felix Smit talk contribs‎ 6,452 bytes +449‎ →‎Example undo

3 December 2010

• curprev 04:5404:54, 3 December 2010‎ 70.168.121.253 talk‎ 6,003 bytes −21‎ →‎Equation undo

29 November 2010

• curprev 16:4116:41, 29 November 2010‎ 128.83.215.102 talk‎ 6,024 bytes −1‎ →‎Equation undo
• curprev 16:4116:41, 29 November 2010‎ 128.83.215.102 talk‎ 6,025 bytes −85‎ →‎Valatan: I removed all of the references to conceptually meaningless concepts such as <math>\Delta Q</math> and <math>\Delta W</math>, which are wrong since Q and W are not perfect differentials. undo

19 November 2010

• curprev 08:3308:33, 19 November 2010‎ 75.87.248.250 talk‎ 6,110 bytes −10‎ →‎Example: fixed an error in the heat pump cooler example. (kWh is not a rate) undo

11 November 2010

• curprev 06:3306:33, 11 November 2010‎ Edward talk contribs‎ m 6,120 bytes +4‎ link underfloor heating using Find link undo

26 October 2010

• curprev 16:0416:04, 26 October 2010‎ Ywaz talk contribs‎ m 6,116 bytes +2‎ →‎Derivation undo
• curprev 16:0416:04, 26 October 2010‎ Ywaz talk contribs‎ 6,114 bytes +129‎ →‎Derivation: COPheat is equal to the inverse of Carnot cycle efficiency undo

20 July 2010

• curprev 19:5219:52, 20 July 2010‎ 71.202.1.21 talk‎ 5,985 bytes 0‎ updated energy prices from 2008 to 2009 (most recent) available averages per US Dept of Energy. undo

15 July 2010

• curprev 10:4410:44, 15 July 2010‎ User A1 talk contribs‎ 5,985 bytes −744‎ →‎Other method: That would be what the equation says, but without random numbers undo
• curprev 05:0205:02, 15 July 2010‎ 76.68.101.92 talk‎ 6,729 bytes +744‎ →‎Conditions of use undo

7 July 2010

• curprev 13:5213:52, 7 July 2010‎ 194.129.64.35 talk‎ 5,985 bytes −5‎ neatening up the i.e. and e.g. statements undo

30 May 2010

• curprev 02:3702:37, 30 May 2010‎ 96.231.127.149 talk‎ 5,990 bytes −1‎ →‎See also undo
• curprev 02:3702:37, 30 May 2010‎ 96.231.127.149 talk‎ 5,991 bytes +1‎ →‎Example: Changed possessive undo

18 May 2010

• curprev 18:3518:35, 18 May 2010‎ Wikipelli talk contribs‎ m 5,990 bytes +837‎ Reverted edits by 167.93.128.213 (talk) to last revision by User A1 (HG) undo
• curprev 18:3518:35, 18 May 2010‎ 167.93.128.213 talk‎ 5,153 bytes −837‎ →‎Equation undo

5 May 2010

• curprev 16:4516:45, 5 May 2010‎ User A1 talk contribs‎ 5,990 bytes −372‎ That isn't right... A solar hot water heater is just a heat exchanger, not a heat pump undo
• curprev 16:3216:32, 5 May 2010‎ 79.123.65.62 talk‎ 6,362 bytes +24‎ Explained that COP is a generic concept. undo
• curprev 16:3116:31, 5 May 2010‎ 79.123.65.62 talk‎ 6,338 bytes +348‎ →‎Conditions of use undo

9 April 2010

• curprev 18:3118:31, 9 April 2010‎ 64.131.102.50 talk‎ 5,990 bytes −1‎ →‎Example undo

6 April 2010

• curprev 23:4123:41, 6 April 2010‎ 198.37.27.218 talk‎ 5,991 bytes +360‎ →‎Example undo

20 January 2010

• curprev 03:0903:09, 20 January 2010‎ 71.231.151.63 talk‎ 5,631 bytes −105‎ Removed superfluous note undo

11 December 2009

• curprev 15:5215:52, 11 December 2009‎ MastiBot talk contribs‎ m 5,736 bytes −13‎ robot Modifying: de:Leistungszahl undo

17 October 2009

• curprev 08:5408:54, 17 October 2009‎ Krazywrath talk contribs‎ 5,749 bytes +18‎ Format change (TOC + new section) undo

13 October 2009

• curprev 22:4922:49, 13 October 2009‎ User A1 talk contribs‎ m 5,731 bytes +1,450‎ Reverted edits by 66.208.76.150 (talk) to last version by Alan Liefting undo
• curprev 20:0020:00, 13 October 2009‎ 66.208.76.150 talk‎ 4,281 bytes −1,450‎ →‎Derivation undo

15 September 2009

• curprev 02:4102:41, 15 September 2009‎ Alan Liefting talk contribs‎ m 5,731 bytes +7‎ No edit summary undo

5 July 2009

• curprev 21:1621:16, 5 July 2009‎ JHunterJ talk contribs‎ m 5,724 bytes +26‎ Typo fixing, typos fixed: efficent → efficient (2) using AWB undo

9 June 2009

• curprev 18:5818:58, 9 June 2009‎ Bodybagger talk contribs‎ 5,698 bytes +112‎ →‎Example undo
• curprev 18:5518:55, 9 June 2009‎ Bodybagger talk contribs‎ 5,586 bytes −176‎ formatting and removed unreferenced tag undo
• curprev 18:5318:53, 9 June 2009‎ Bodybagger talk contribs‎ 5,762 bytes −39‎ formatting undo
• curprev 18:5118:51, 9 June 2009‎ Bodybagger talk contribs‎ 5,801 bytes +1,041‎ →‎Example: Provided examples of operating costs using current USDOE average energy prices. undo

7 May 2009

• curprev 04:5004:50, 7 May 2009‎ 131.181.251.66 talk‎ 4,760 bytes +8‎ →‎Derivation undo

6 May 2009

• curprev 01:2801:28, 6 May 2009‎ Marshall Williams2 talk contribs‎ 4,752 bytes −7‎ Undid revision 288179341 by 192.43.227.18 (talk) undo
• curprev 01:2701:27, 6 May 2009‎ 192.43.227.18 talk‎ 4,759 bytes +7‎ technical correction undo

27 April 2009

• curprev 07:5107:51, 27 April 2009‎ User A1 talk contribs‎ 4,752 bytes −109‎ →‎Conditions of use: rm aside, with inappropriate use of referencing. undo
• curprev 00:0200:02, 27 April 2009‎ User A1 talk contribs‎ 4,861 bytes +37‎ Fixing lede (again). Please read the Manual of style If caps were not right, just change it (its one char!) undo

26 April 2009

• curprev 19:5919:59, 26 April 2009‎ Oli Filth talk contribs‎ m 4,824 bytes −37‎ Undid revision 286186407 by User A1 (talk) - inappropriate use of caps! undo