Kadangi tiek man tiek kitiems gan daznai kyla klausimai ish serijos "o kiek sitie purkstukai palaiko arkliu" ir pan. kai nelabai yra nei noro nei prasmes tiksliai gilintis ir ieshkot formuliu, tai nutariau, kad reikia surashyt tokias visokias grubias "taisykles"... Siulykit kitas, arba tikslinkit shias.
Purkstuku palaikomi arkliai:
cc/min / 5 * cyl.skaichius * duty_cycle = palaikomi_arkliai
(duty cycle neturetu virshyti kokiu 0.85)
Pvz. S13 purkstukai 370cc/min palaikys 370/5*4*0.85=~250Ag
Purkstuku perskaichiavimas ish lb/h i cc/min:
lb/h * 10.5 = cc/min
Pvz. aftermarketiniai purkshtukai 36 lb/h bus 36*10.5= 380 cc/min
Kuro siurblio palaikomos Ag:
lph * 2 = Ag
CFM paversti i lb/min:
cfm / 14 = lb/min
Salyginis CR uzputus atmosferini varikli:
CRf/i = CRn/a * SQR(Bbar)
Bbar - turbinos slegis (absoliutinis) barais
Rules of Thumb
Rules of Thumb
Last edited by spade on 07 Aug 2006, 10:22, edited 2 times in total.
DelSolSohcVtec BlueberryBeeProject
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Why waste time learning when ignorance is instantaneous?
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Why waste time learning when ignorance is instantaneous?
Man kazhkaip visad atrode kvaila duslintuvo parinkinejimas pagal variklio turi - tokio paties litrazho varikliu galia (reishkia ishmetamuju duju kiekis) gali skirtis vos ne kokius 10 kartu... Logishkiau butu vamzdi rinktis pagal variklio galia.
Kazhkaip radau pora tokiu lenteliu, kur skersmuo siejamas su galia:
Donaldson (firmos kuri daro duslintuvus sunkvezhimiams) rekomendacijos:
Recommended max pwr; Petrol engine; 2psi back pressure
kW (Hp)_______________inches (mm)
75 (100)________________2 (51)
120 (160)_______________2.5 (64)
165 (220)_______________3 (76)
230 (310)_______________3.5 (89)
375 (500)_______________4 (102)
550 (740)_______________5 (127)
635 (850)_______________6 (152)
Graham Bell lentele:
Blown or nitrous engines
Hp____________________pipe OD in inch(mm)
80-120____________________1.875 (47.5)
110-140___________________2.0 (51)
130-150___________________2.125 (54)
140-185___________________2.25 (57)
180-220___________________2.5 (63.5)
210-265___________________2.75 (70)
250-320___________________3.0 (76)
280-360___________________3.5 (89)
400-500___________________4.0 (101.5)
480-630___________________4.5 (114.5)
580-750___________________5.0 (127)
Kazhkaip radau pora tokiu lenteliu, kur skersmuo siejamas su galia:
Donaldson (firmos kuri daro duslintuvus sunkvezhimiams) rekomendacijos:
Recommended max pwr; Petrol engine; 2psi back pressure
kW (Hp)_______________inches (mm)
75 (100)________________2 (51)
120 (160)_______________2.5 (64)
165 (220)_______________3 (76)
230 (310)_______________3.5 (89)
375 (500)_______________4 (102)
550 (740)_______________5 (127)
635 (850)_______________6 (152)
Graham Bell lentele:
Blown or nitrous engines
Hp____________________pipe OD in inch(mm)
80-120____________________1.875 (47.5)
110-140___________________2.0 (51)
130-150___________________2.125 (54)
140-185___________________2.25 (57)
180-220___________________2.5 (63.5)
210-265___________________2.75 (70)
250-320___________________3.0 (76)
280-360___________________3.5 (89)
400-500___________________4.0 (101.5)
480-630___________________4.5 (114.5)
580-750___________________5.0 (127)
DelSolSohcVtec BlueberryBeeProject
f31
Why waste time learning when ignorance is instantaneous?
f31
Why waste time learning when ignorance is instantaneous?
Re: Rules of Thumb
Torkas su galingumu susikerta prie (jei mastelis vienodas):
Nm ir kW - 9549 rpm
Nm ir Hp - 7120 rpm
lb-ft ir kW - 7042 rpm
lb-ft ir Hp - 5251 rpm
NB: 1Hp = 0,7457kW, 1lb-ft = 1,356Nm.
Nm ir kW - 9549 rpm
Nm ir Hp - 7120 rpm
lb-ft ir kW - 7042 rpm
lb-ft ir Hp - 5251 rpm
NB: 1Hp = 0,7457kW, 1lb-ft = 1,356Nm.
DelSolSohcVtec BlueberryBeeProject
f31
Why waste time learning when ignorance is instantaneous?
f31
Why waste time learning when ignorance is instantaneous?