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From: Hammo on 14 Feb 2007 05:11 On 14/2/07 8:31 PM, in article KFAAh.991$4c6.403(a)news-server.bigpond.net.au, "Knobdoodle" <knobdoodle(a)hotmail.com> wrote: > > "Nev.." <idiot(a)mindless.com> wrote: >> Beefhooked wrote: > >>> So what your saying Nev is that water expands when heated? >>> Interesting... >> >> It must. How else could a pressure cooker work? >> > I thought pressure-cookers worked by preventing boiling by limiting the > expansion. > i.e. It still gets hotter (and expands) it just doesn't turn to steam. It raises the heat of vapourisation (stage where water goes to steam) and cooks faster. Same principle of a radiator, (the bit about allowing the water to not boil at higher temps(cos of the increased pressure), which increases the efficiency of the system allowing a greater transfer of heat from the engine... Hammo
From: Knobdoodle on 14 Feb 2007 05:34 "Hammo" <hbaj2006(a)aapt.net.au> wrote in message news:C1F92B62.26A9F%hbaj2006(a)aapt.net.au... > > > > On 14/2/07 8:31 PM, in article > KFAAh.991$4c6.403(a)news-server.bigpond.net.au, > "Knobdoodle" <knobdoodle(a)hotmail.com> wrote: > >> >> "Nev.." <idiot(a)mindless.com> wrote: >>> Beefhooked wrote: >> >>>> So what your saying Nev is that water expands when heated? >>>> Interesting... >>> >>> It must. How else could a pressure cooker work? >>> >> I thought pressure-cookers worked by preventing boiling by limiting the >> expansion. >> i.e. It still gets hotter (and expands) it just doesn't turn to steam. > > It raises the heat of vapourisation (stage where water goes to steam) and > cooks faster. Same principle of a radiator, (the bit about allowing the > water to not boil at higher temps(cos of the increased pressure), which > increases the efficiency of the system allowing a greater transfer of heat > from the engine... > Yeah; that's what I said. -- Clem
From: Hammo on 14 Feb 2007 06:06 On 14/2/07 9:34 PM, in article xABAh.1029$4c6.807(a)news-server.bigpond.net.au, "Knobdoodle" <knobdoodle(a)hotmail.com> wrote: > > "Hammo" <hbaj2006(a)aapt.net.au> wrote in message > news:C1F92B62.26A9F%hbaj2006(a)aapt.net.au... >> >> >> >> On 14/2/07 8:31 PM, in article >> KFAAh.991$4c6.403(a)news-server.bigpond.net.au, >> "Knobdoodle" <knobdoodle(a)hotmail.com> wrote: >> >>> >>> "Nev.." <idiot(a)mindless.com> wrote: >>>> Beefhooked wrote: >>> >>>>> So what your saying Nev is that water expands when heated? >>>>> Interesting... >>>> >>>> It must. How else could a pressure cooker work? >>>> >>> I thought pressure-cookers worked by preventing boiling by limiting the >>> expansion. >>> i.e. It still gets hotter (and expands) it just doesn't turn to steam. >> >> It raises the heat of vapourisation (stage where water goes to steam) and >> cooks faster. Same principle of a radiator, (the bit about allowing the >> water to not boil at higher temps(cos of the increased pressure), which >> increases the efficiency of the system allowing a greater transfer of heat >> from the engine... >> > Yeah; that's what I said. ....and I agree with what you said. Hammo
From: Smee R11S on 14 Feb 2007 08:36 Hammo wrote: > > > On 14/2/07 9:34 PM, in article > xABAh.1029$4c6.807(a)news-server.bigpond.net.au, "Knobdoodle" > <knobdoodle(a)hotmail.com> wrote: > >> "Hammo" <hbaj2006(a)aapt.net.au> wrote in message >> news:C1F92B62.26A9F%hbaj2006(a)aapt.net.au... >>> >>> >>> On 14/2/07 8:31 PM, in article >>> KFAAh.991$4c6.403(a)news-server.bigpond.net.au, >>> "Knobdoodle" <knobdoodle(a)hotmail.com> wrote: >>> >>>> "Nev.." <idiot(a)mindless.com> wrote: >>>>> Beefhooked wrote: >>>>>> So what your saying Nev is that water expands when heated? >>>>>> Interesting... >>>>> It must. How else could a pressure cooker work? >>>>> >>>> I thought pressure-cookers worked by preventing boiling by limiting the >>>> expansion. >>>> i.e. It still gets hotter (and expands) it just doesn't turn to steam. >>> It raises the heat of vapourisation (stage where water goes to steam) and >>> cooks faster. Same principle of a radiator, (the bit about allowing the >>> water to not boil at higher temps(cos of the increased pressure), which >>> increases the efficiency of the system allowing a greater transfer of heat >>> from the engine... >>> >> Yeah; that's what I said. > > ...and I agree with what you said. > > Hammo > /me faints
From: sharkey on 14 Feb 2007 19:08
Hammo <hbaj2006(a)aapt.net.au> wrote: > <knobdoodle(a)hotmail.com> wrote: > > > > Yeah; that's what I said. > > ...and I agree with what you said. So you're saying he must be wrong because he agrees with you, then? -----sharks -- Du verschwendest �bertragungskapazit�ten. |