Hot dog?
in [Design]
|
From: keithw86 on 7 Jul 2010 11:57 On Jul 7, 10:44 am, John Larkin <jjlar...(a)highNOTlandTHIStechnologyPART.com> wrote: > On Tue, 06 Jul 2010 22:58:13 -0500, "k...(a)att.bizzzzzzzzzzzz" > > > > <k...(a)att.bizzzzzzzzzzzz> wrote: > >On Tue, 06 Jul 2010 18:00:49 -0700, John Larkin > ><jjlar...(a)highNOTlandTHIStechnologyPART.com> wrote: > > >>On Tue, 06 Jul 2010 17:53:09 -0700, Joerg <inva...(a)invalid.invalid> > >>wrote: > > >>>k...(a)att.bizzzzzzzzzzzz wrote: > >>>> On Tue, 06 Jul 2010 08:09:05 -0700, John Larkin > >>>> <jjlar...(a)highNOTlandTHIStechnologyPART.com> wrote: > > >>>>> On Mon, 05 Jul 2010 15:43:44 -0700, Joerg <inva...(a)invalid.invalid> > >>>>> wrote: > > >>>>>> Damon Hill wrote: > >>>>>>> Here in the Pacific Northwet, it's struggling to get into the > >>>>>>> 60s and sunshine has been a scarce commodity so far this year. > >>>>>>> That's supposed to change in a big way in a few days--summer > >>>>>>> at last! There's still over five feet of snow on the ground > >>>>>>> at Paradise on Mt. Rainier. (Actually, it's compressed slush.) > > >>>>>>>http://www.cascadeclimber.com/web_cams.htm > > >>>>>>> This time last year we were in the upper 90s and set an all-time > >>>>>>> record high of 102F. So I'm not complaining. > > >>>>>>> I rather like Hebrew Nation brand dogs, but the best hot dog I ever > >>>>>>> had were Kominski Park. > > >>>>>> I ate the very best burger I ever had while on a long drive on Saturday. > >>>>>> If you ever have to do the whole I-5 stretch, it's the Black Bear Diner > >>>>>> in Willows (between Redding and Sacramento). Li'l mom and pop place, > >>>>>> very small village, everyone seemed to know everyone else there. $7.99, > >>>>>> still drooling ... > >>>>> I80 yesterday: we left Truckee at 5PM. It peaked at 103F in Roseville, > >>>>> down to 56 in San Francisco. Approaching the Bay, the gradient exceeds > >>>>> 1 degree F per mile. > > >>>> What's the gradient? At a 6% grade, the adiabatic lapse rate is about 1-3/4 > >>>> degree F per mile. ;-) > > >>>From Roseville to S.F. it's next to nothing, except for a bunch of hills > >>> that need to be crossed at the end it's all flat. > > >>>[...] > > >>Right. It's the ice-cold water off the coast that cools us off. > > >>I experimentally determined that the delta-T with altitude, going up > >>the western side of the Sierra, is about 1 deg F per 300 feet, right > >>around KRW's number. > > >Yep. The dry adiabatic lapse rate is 5.5F/1000'. > > My measurement wasn't very good, using the 1000' increment altitude > signs and the car thermometer and math in my head. The wind is usually > from the west, and it's not dry, which may complicate things. The > record annual snowfall, which happens just before the crest, was > something over 800 inches in, I think, 1937. If it's not foggy, it's "dry". ;-) The dry adiabatic lapse rate fails when there's condensation because the air is no longer close to an "ideal gas" (energy is pulled out of the air for the phase change). If there's condensation the "wet" adiabatic lapse rate applies (~2.7F/1000').
From: John Larkin on 7 Jul 2010 13:04 On Wed, 07 Jul 2010 06:37:03 -0700, Joerg <invalid(a)invalid.invalid> wrote: >Charlie E. wrote: >> On Tue, 06 Jul 2010 13:56:36 -0700, Joerg <invalid(a)invalid.invalid> >> wrote: >> >>> Charlie E. wrote: >>>> On Tue, 06 Jul 2010 08:38:21 -0700, Jim Thompson >>>> <To-Email-Use-The-Envelope-Icon(a)On-My-Web-Site.com> wrote: >>>> >>>>> On Tue, 06 Jul 2010 08:00:38 -0700, Charlie E. <edmondson(a)ieee.org> >>>>> wrote: >>>>> >>>>>> On Mon, 05 Jul 2010 14:01:15 -0700, Joerg <invalid(a)invalid.invalid> >>>>>> wrote: >>>> <snip> >>>>>>> Got a link for that cooler? All the ones I saw so far were big ugly >>>>>>> thinks that need more than the usual 12" center breakthrough, and even >>>>>>> come sans motor. >>>>>> Hi Joerg, >>>>>> I just picked this one up at the local hardware store for $99. It is >>>>>> about 30" tall, and 24" wide. You fill it through a little hatch on >>>>>> the side. Out here, a fillup will only last about four hours, as it >>>>>> only holds about three gallons of water. It rolls around pretty >>>>>> easily though. Only problem I have is that it sorta 'spits' out the >>>>>> back where the pump dumps the water to go onto the pad, so I put a >>>>>> little bowl back there to catch it. >>>>>> >>>>>> You just have to remember that, it needs to be in a dry area, with >>>>>> good ventilation, and aimed into the area where you want it to cool. >>>>>> In our case, I put it in our living room near the front door, and aim >>>>>> it down the hallway where Pam and my offices are. We leave windows >>>>>> open in the living room and breakfast nook, and I open the window in >>>>>> my office (at the far end of the house) a crack. Our winds will keep >>>>>> the living room area warm and dry, and help blow the cool air all the >>>>>> way to my office. >>>>>> >>>>>> Charlie >>>>> How much extra load is that added humidity on the A/C ?:-) >>>>> >>>>> On the old house I had a 6500CFM "evap cooler" that I'd run until late >>>>> June, then switch to A/C, but I never did morning/evening. >>>>> >>>>> ...Jim Thompson >>>> Hi Jim, >>>> Not that much, really. Since it is so dry here, I think that even >>>> with the thing running it doesn't increase the humidity in the house >>>> by more than 20-30%. Pam actually like the fact that it isn't so dry >>>> in here all the time now. It takes about an hour after we switch the >>>> AC on to get it down to temp, say from 85 to 79. The only real >>>> problem we saw at first was the living room. Since it was probably up >>>> in the 90's when we start, it took several hours to really cool down. >>>> Our solution now is to leave the fan on the cooler running, and aim it >>>> into the living area. That seems to get the cooling now into the same >>>> hour time frame as the rest of the house. >>>> >>> Hmm, that looks like that little portable swamp cooler doesn't have too >>> much cooling power then? >>> >>> I wish we could hook up a big external swamp cooler but it's a Frank >>> Lloyd Wright style house, meaning lots of windows and not a single spot >>> where could (safely) break through a wall. >> >> Well, a swamp cooler is only supposed to be good for about a 20 degree >> drop in temperature. This guy is pretty small, so getting it to cool >> half a 1800 sf house isn't too bad! >> > >A 20F drop is all we'd want. From 90-something to just below 80F would >already be sufficient. > > >> I did have it just in my office, but I got too cold... 8-) >> > >Maybe I should try one of those then :-) Life is simpler here. We just leave the heat on all year. John
From: krw on 7 Jul 2010 18:45 On Wed, 07 Jul 2010 10:04:33 -0700, John Larkin <jjlarkin(a)highNOTlandTHIStechnologyPART.com> wrote: >On Wed, 07 Jul 2010 06:37:03 -0700, Joerg <invalid(a)invalid.invalid> >wrote: > >>Charlie E. wrote: >>> On Tue, 06 Jul 2010 13:56:36 -0700, Joerg <invalid(a)invalid.invalid> >>> wrote: >>> >>>> Charlie E. wrote: >>>>> On Tue, 06 Jul 2010 08:38:21 -0700, Jim Thompson >>>>> <To-Email-Use-The-Envelope-Icon(a)On-My-Web-Site.com> wrote: >>>>> >>>>>> On Tue, 06 Jul 2010 08:00:38 -0700, Charlie E. <edmondson(a)ieee.org> >>>>>> wrote: >>>>>> >>>>>>> On Mon, 05 Jul 2010 14:01:15 -0700, Joerg <invalid(a)invalid.invalid> >>>>>>> wrote: >>>>> <snip> >>>>>>>> Got a link for that cooler? All the ones I saw so far were big ugly >>>>>>>> thinks that need more than the usual 12" center breakthrough, and even >>>>>>>> come sans motor. >>>>>>> Hi Joerg, >>>>>>> I just picked this one up at the local hardware store for $99. It is >>>>>>> about 30" tall, and 24" wide. You fill it through a little hatch on >>>>>>> the side. Out here, a fillup will only last about four hours, as it >>>>>>> only holds about three gallons of water. It rolls around pretty >>>>>>> easily though. Only problem I have is that it sorta 'spits' out the >>>>>>> back where the pump dumps the water to go onto the pad, so I put a >>>>>>> little bowl back there to catch it. >>>>>>> >>>>>>> You just have to remember that, it needs to be in a dry area, with >>>>>>> good ventilation, and aimed into the area where you want it to cool. >>>>>>> In our case, I put it in our living room near the front door, and aim >>>>>>> it down the hallway where Pam and my offices are. We leave windows >>>>>>> open in the living room and breakfast nook, and I open the window in >>>>>>> my office (at the far end of the house) a crack. Our winds will keep >>>>>>> the living room area warm and dry, and help blow the cool air all the >>>>>>> way to my office. >>>>>>> >>>>>>> Charlie >>>>>> How much extra load is that added humidity on the A/C ?:-) >>>>>> >>>>>> On the old house I had a 6500CFM "evap cooler" that I'd run until late >>>>>> June, then switch to A/C, but I never did morning/evening. >>>>>> >>>>>> ...Jim Thompson >>>>> Hi Jim, >>>>> Not that much, really. Since it is so dry here, I think that even >>>>> with the thing running it doesn't increase the humidity in the house >>>>> by more than 20-30%. Pam actually like the fact that it isn't so dry >>>>> in here all the time now. It takes about an hour after we switch the >>>>> AC on to get it down to temp, say from 85 to 79. The only real >>>>> problem we saw at first was the living room. Since it was probably up >>>>> in the 90's when we start, it took several hours to really cool down. >>>>> Our solution now is to leave the fan on the cooler running, and aim it >>>>> into the living area. That seems to get the cooling now into the same >>>>> hour time frame as the rest of the house. >>>>> >>>> Hmm, that looks like that little portable swamp cooler doesn't have too >>>> much cooling power then? >>>> >>>> I wish we could hook up a big external swamp cooler but it's a Frank >>>> Lloyd Wright style house, meaning lots of windows and not a single spot >>>> where could (safely) break through a wall. >>> >>> Well, a swamp cooler is only supposed to be good for about a 20 degree >>> drop in temperature. This guy is pretty small, so getting it to cool >>> half a 1800 sf house isn't too bad! >>> >> >>A 20F drop is all we'd want. From 90-something to just below 80F would >>already be sufficient. >> >> >>> I did have it just in my office, but I got too cold... 8-) >>> >> >>Maybe I should try one of those then :-) > >Life is simpler here. We just leave the heat on all year. > So do we. Sometimes we heat the inside of the house and sometimes the outside.
First
|
Prev
|
Pages: 1 2 3 4 5 6 7 Prev: Labelling Prototypes Next: Wireless magnetic power transmission |