saya sebenarnya illegal alien di milis ini, backgroundnya chem-eng, kerjanya pet-eng :),
jadi bisa agak ngomong kalo fisika ;) On Fri, Mar 9, 2012 at 4:43 PM, Yanto R. Sumantri <yrs_...@yahoo.com> wrote: > Heeeeem ahli kebumian diskusikan soal fisika , apa nyambung ya ? > Akh don't mention it , ust a week end joke. hehehe > > si Abah > > ------------------------------ > *From:* Eko Prasetyo <strivea...@gmail.com> > *To:* iagi-net@iagi.or.id > *Sent:* Friday, March 9, 2012 3:19 PM > > *Subject:* Re: [iagi-net-l] hydrogen sebagai sumber energy Re: Bls: Re: > [iagi-net-l] Diskisi migas di Metro > > Bayangan saya: > > Combustion membakar sedikit oil, > hasil pembakaran bersuhu tinggi dan bertekanan tinggi akan merubah air > menjadi H2 dan O2 dan secara instan menyebabkan internal combustion yang > energinya disalurkan ke mesin seperti biasa. > > On Fri, Mar 9, 2012 at 4:10 PM, Franciscus B Sinartio < > fbsinar...@yahoo.com> wrote: > > terima kasih atas pencerahannya. > terus brown gas dan hydrogennya itu dibuat dimana? dan kapan? > > kalau dibuat di mobilnya waktu mobil itu jalan. susah untuk mengertinya. > mesti ingat lagi yang disebutkan Pak RPK tentang hukum kekekalan energy. > > dari bacaan yang saya baca selama ini, efisiense pembuatan hydrogen dari > air sangat kecil dibawah 10 % dari energy yang diperlukan dan energy yang > dihasilkan oleh hydrogennya. > > justru itu salah satu alternatif sumber energy pembuatan hydrogen adalah > pemakaian energy yang terbarukan dan yang sekarang mubazir terbuang begitu > saja. > > fbs > > > > ------------------------------ > *From:* Eko Prasetyo <strivea...@gmail.com> > *To:* iagi-net@iagi.or.id > *Sent:* Friday, March 9, 2012 2:40 PM > > *Subject:* Re: [iagi-net-l] hydrogen sebagai sumber energy Re: Bls: Re: > [iagi-net-l] Diskisi migas di Metro > > http://www.spiritofmaat.com/archive/watercar/h20car2.htm > > *Fuel Cells:* This method uses oxygen from the atmosphere to complete the > burning of the hydrogen in the fuel cell. What comes out of the tail pipe > is oxygen and water vapor, but the oxygen originally came from the > atmosphere, not from the fuel. And so the use of fuel cells neither takes > away nor contributes to the oxygen content of the air. > > *Hydrogen: *This fuel is complete in itself. It does not need oxygen from > the atmosphere to burn, which is an improvement over fossil fuels in saving > the oxygen in our air supply. In fact, when hydrogen burns perfectly, > nothing at all comes out of the tail pipe. If salt and metal alloy are used > to create hydrogen, then there will be residues of that in the exhaust, but > hydrogen fuel does not contribute oxygen to the atmosphere. > > *Brown's gas:* This is the most perfect fuel of all for running our > vehicles. Like pure hydrogen, it is made from water, i.e., hydrogen and > oxygen, but it burns in the combustion engine so that, depending on the > setup, it may actually release oxygen into the atmosphere. In that case, > what comes out of the tail pipe is oxygen and water vapor, just as with > fuel cells; but the oxygen comes from the water that's being used to create > the Brown's gas fuel. So burning Brown's gas as fuel can add oxygen to the > air and thus increase the oxygen content of our atmosphere. > > > > > > -- > Visit http://www.strivearth.com and be entertained > > > -- Visit http://www.strivearth.com and be entertained