If D from BC were a plumber:
in [Design]
|
Prev: Will heating the platters beyond curie temp make disk-splicing impossible?
Next: Will heating the platters beyond curie temp make disk-splicing impossible?
From: Baron on 17 Apr 2010 15:14 Archimedes' Lever Inscribed thus: > On Sat, 17 Apr 2010 19:34:49 +0100, Baron > <baron.nospam(a)linuxmaniac.nospam.net> wrote: > >> >>I rather think that example suggests that heat transfer can take place >>between two pipes. > > > Not the level you claimed. Where did I claim a level. > You fail to understand that once the water is flowing NO local > heating takes place. And heating radiators don't work either. -- Best Regards: Baron.
From: krw on 17 Apr 2010 15:47 On Sat, 17 Apr 2010 19:39:51 +0100, Baron <baron.nospam(a)linuxmaniac.nospam.net> wrote: >krw(a)att.bizzzzzzzzzzzz Inscribed thus: > >> On Sat, 17 Apr 2010 17:47:07 +0100, Baron >> <baron.nospam(a)linuxmaniac.nospam.net> wrote: >> >>>krw(a)att.bizzzzzzzzzzzz Inscribed thus: >>> >>>> On Sat, 17 Apr 2010 16:44:54 +0100, Baron >>>> <baron.nospam(a)linuxmaniac.nospam.net> wrote: >>>> >>>>>Copacetic Inscribed thus: >>>>> >>>>>> On Thu, 15 Apr 2010 19:26:01 -0700, Charlie E. >>>>>> <edmondson(a)ieee.org> wrote: >>>>>> >>>>>>>Two possibilities. First, the hot and cold line for the shower >>>>>>>may be adjacent, so the cold line is slowly heated to the same >>>>>>>temp as the >>>>>>>hot line. then, when you run the hot line, it gets a little >>>>>>>cooler as the tank goes down, but the cold is still the same temp. >>>>>>> >>>>>>>OR >>>>>> >>>>>> >>>>>> That is silly. To heat the cold water pipe's water, said water >>>>>> would >>>>>> have to be stationary. >>>>>> >>>>>> Otherwise, the water temp flowing in the pipe RULES against any >>>>>> peripheral heating. >>>>>> >>>>>> A completely silly suggestion. >>>>> >>>>>I disagree. The transfer of heat would take place even if the water >>>>>were moving in either or both pipes. >>>>> >>>>>> So, IF the hot water is the ONLY water on for a LONG enough time >>>>>> to >>>>>> heat a siamesed pipe's water (A VERY LONG TIME), THEN said water >>>>>> would be warm or hot, but that would end IMMEDIATELY, once the >>>>>> water in that >>>>>> pipe is turned on. If the hot water is not ran constant, it too >>>>>> will cool to ambient temps. >>>>> >>>>>Its quite common to lag together both hot and cold pipes for a >>>>>common >>>>>run. The idea is that the hot water flow prevents the cold water >>>>>freezing in its pipe and causing a burst. >>>> >>>> I have *never* seen anyone do such a stupid thing, even in Vermont >>>> where it does get cold (and there is an overabundance of stupid >>>> people - Demonicrats). >>> >>>Just because you have never seen it done, doesn't mean it isn't nor >>>does it make it stupid. >> >> There is no reason to do it and a lot of reasons not to do it. It >> certainly *is* stupid. > >OK ! Start by stating the reasons for and against. It's a *huge* waste of energy. That's enough reason not to do it, but others include leaks, it's harder to do than not, there is no reason.... >>>I don't see what it has to do with politics either ! >> >> Other than Demonicrats being stupid people, and even those in >> &cold_place aren't stupid enough to do it, not much. I suppose you're >> another example of a stupid Demonicrat. Figures. >> >>>>>Admittedly a much less common occurrence nowadays with the use of >>>>>plastic pipes. >>>>> >>>>>> A totally false claim you have made there.
From: krw on 17 Apr 2010 15:47 On Sat, 17 Apr 2010 20:12:07 +0100, Baron <baron.nospam(a)linuxmaniac.nospam.net> wrote: >Archimedes' Lever Inscribed thus: > >> On Sat, 17 Apr 2010 19:39:51 +0100, Baron >> <baron.nospam(a)linuxmaniac.nospam.net> wrote: >> >>>OK ! Start by stating the reasons for and against. >> >> >> Houses in cold regions are built specifically in such a way that >> there are NO pipes EVER exposed to freezing temps, you utter idiot. >> >> So there are NO design intentions that would use the thermal from >> the hot side to "keep the cold side from freezing". >> >> He is right, and you are an idiot. > >Meaningless dribble. You _are_ DimBulb's twin sister.
From: mpm on 17 Apr 2010 16:12 On Apr 17, 10:32 am, Baron <baron.nos...(a)linuxmaniac.nospam.net> wrote: > mpm Inscribed thus: > > > > > > > On Apr 16, 10:43 pm, Copacetic <Copace...(a)iseverythingalright.org> > > wrote: > >> On Thu, 15 Apr 2010 19:26:01 -0700, Charlie E. <edmond...(a)ieee.org> > >> wrote: > > >> >It is a pressure thing. There is a constriction in the cold line, > >> >and it has lower pressure than the hot line. You have to really > >> >crank the cold, and really diminish the hot to get the pressures > >> >equalized. > > >> No. Both pipes have the same pressure. Hot water gets used less from > >> a FLOW standpoint because less is needed to arrive at the desired > >> operating temperature. > > >> All the pipes in your house all have the same pressure behind them. > > >> Pressures in a given pipe can be reduced, but only by way of FLOW > >> elsewhere in the system. > > > Just to clarify for anyone who might help, here.... > > I can be the only one home - with no other water being used (not even > > the icemaker), and this problem can still occur. > > It does not happen all the time, but when it does (or doesn't), it > > does not appear to be related to any water use elsewhere in the house. > > Mine is a single-story home on a private lot. City water & sewer. > > (Not an apartment or multi-family anything.) > > Its not unknown for debris to build up in the pipe and lodge in a bend > to cause varying water pressure and flow. > > Someone also mentioned that the water pressure would be the same for > both hot and cold supplies. This is not always true. One supply could > be from a header tank and the other from the main supply. So they > would have different pressures. Also the flow rate would depend upon > the size of the smallest pipe in that supply. > > -- > Best Regards: > Baron.- Hide quoted text - > > - Show quoted text - Water comes from the city. Enters the house at the side yard - one pipe only. I have a standard water heater (80 gallons, electric). Not an inline one. I take pretty quick showers - maybe 10 minutes? With the occasional "run till cold" if I get a really bad headache from the sea of morons that surround us! :-) -mpm (OP)
From: Paul E. Schoen on 17 Apr 2010 16:15
<krw(a)att.bizzzzzzzzzzzz> wrote in message news:ndmjs51archlmttsoagticndmi645jibjg(a)4ax.com... > On Sat, 17 Apr 2010 07:20:02 -0700 (PDT), mpm <mpmillard(a)aol.com> wrote: > >>Another options is to just stop taking baths altogether. >>...though I'm not sure my clients, friends and family would appreciate >>that! > > No need to go that far. Don't turn on the hot water and your hysteresis > is > fixed. Simple. Also a cheap male contraceptive :) Paul |