misfire lt exhaust quality deterioration gt fuel injection system

Ngày tải lên: 26/05/2014, 15:16

... FUEL SYSTEMS #1 - OVERVIEW Return Fuel Delivery System When the fuel pump is activated by the ECM, pressurized fuel flows out of the tan, through the fuel filter to the fuel rail and ... delivery system, fuel heated by the engine returns to the fuel tank and has warmer fuel creating more fuel vapors Fuel Pump The fuel pump is mounted in the tank and immersed in fuel The fuel cools ... signal (about 2.5 volts) to the Fuel Pump ECU Then, the Fuel Pump ECU supplies less voltage (about volts) to the fuel pump Three Speed Fuel Pump Control With this system, the fuel pump is controlled...

Ngày tải lên: 28/05/2014, 14:24

... injected fuel quantity, start of injection, duration of injection, and rate of discharge curve, as well supervises the correct functioning of the injection system as a whole COMMON RAIL FUEL INJECTION ... in time • In contrast to other injection system Common rail fuel injection system is an accumulator injection system How does a CR system function? Su b fu n c tio n s o f a CR F I s y s tem ... needed for fuel injection and distribute the fuel to the individual cylinders • Inject precisely correct amount of fuel at exactly the right moment in time • In contrast to other injection system...

Ngày tải lên: 20/06/2014, 17:41

... management and fuel systems are best described by dividing them into two separate sub-systems the air inlet system, and the fuel system Air inlet system The volume of air drawn into the system depends ... Disconnect the fuel return hose from the regulator Be prepared for fuel spillage and Electronic fuel injection system 4D•3 Disconnect the fuel supply hose from the fuel rail, and disconnect the fuel return ... A fuel rail is bolted to the lower section of the inlet manifold The fuel rail acts as a fuel reservoir for the four fuel injectors, and locates the injectors in the inlet manifold A fuel filter...

Ngày tải lên: 25/01/2014, 02:20

... direct injection engines is theirs cost Direct injection systems are more expensive because their components must be well-made In these engines, the high cost high-pressure fuel injection system ... developed a piezo injection system for gasoline engines to automakers The aim is to improve the performance of the direct injection systems The Piezo injection with spray guided combustion system is ... gap just a few microns wide The peak fuel pressure in this system is up to 200 bar - around 50 times the fuel pressure in a conventional petrol injection system (Website 4, 2010) The firms such...

Ngày tải lên: 20/06/2014, 11:20

... biphasic system, and therefore measure simultaneously each ones concentration (Juliá, 2003) Although this 36 Fuel Injection technique has much application in injection- combustion processes (Felton ... consider: Influence of the injection process on the liquid length penetration Influence of the diameter of the nozzle on the liquid length penetration The analysis of the liquid length penetration is ... al., 2007) indicates that the liquid penetration 40 Fuel Injection length, LL, increases proportionally to the square root of time from the injection onset until the second break-up regime is...

Ngày tải lên: 20/06/2014, 11:20

... speed of injection pump camshaft Static opening pressure of injector Background pressure Maximum fuel injection pressure Average fuel injection pressure Kinematic viscosity of fuel Diesel Fuel Rape ... Liquid fuel in cylinder of injector nozzle holes Fig Liquid fuel in cylinder of injector nozzle holes 90 Fuel Injection Fig Fig 11 Liquid fuel in cylinder of injector nozzle holes Liquid fuel in ... determining fuel distribution in a spray of drops (top view) s 78 Fuel Injection The height of fuel in the measuring vessels was adopted (denoted by Hp) as a comparative measure to ascertain the fuel...

Ngày tải lên: 20/06/2014, 11:20

... 94 Fuel Injection Fuel- air mixing increases as the fuel nozzle holes orifice diameter fuel nozzle holes decreases Also soot incandescence is observed to decrease as the amount of fuel- air ... common-rail injection system are modelled because of the high pressure level at which these systems always work In order to model conventional injection systems, as pump-pipe-nozzle systems, it ... 2002) is deeply connected with the injection system performance and injection strategy However, the development of a high performance common rail injection system requires a considerable investment...

Ngày tải lên: 20/06/2014, 11:20

... generation of common rail injection systems: The effect of multiple injections on emissions, SAE paper 2001-01-1068 Boehner, W & Kumel, K (1997) Common rail injection system for commercial diesel ... sprays behavior from multiple injections common rail systems, SAE paper 2002-01-2777 118 Fuel Injection Canakci, M & Reitz, R D (2004) Effect of optimization criteria on direct -injection homogeneous ... two-stage split and early fuel injection, J of Engineering for Gas Turbines and Power 124: 660–667 120 Fuel Injection The investigation of the mixture formation upon fuel injection into high-temperature...

Ngày tải lên: 20/06/2014, 11:20

... upon fuel injection into isothermal swirling flows (spraying by pneumatic atomizer); T0 = T1 = 900 K; - a) -1 = 0 = 30, b) 1 = 0 = 60 The investigation of the mixture formation upon fuel injection ... intake and the exhaust system The gas inside the cylinder is indeed treated as a zero-dimensional thermodynamic system The code solves the 1D flow equations in the intake and exhaust pipes:  ... droplets projected on longitudinal section of the mixer are resulted Fig 13 Trajectories of the droplets in the axisymmetric mixer upon fuel injection into isothermal swirling flows (spraying by pneumatic...

Ngày tải lên: 20/06/2014, 11:20

... Optimization”, Sae Paper 2001-01-1509 Hydrogen fuelled scramjet combustor - the impact of fuel injection 167 X Hydrogen fuelled scramjet combustor - the impact of fuel injection 1College Wei Huang12, Zhen-guo ... flameholder: the length of the cavity flameholder L=1.376, the height of the leading edge Du=0.275, the ratio of length-to-height Hydrogen fuelled scramjet combustor - the impact of fuel injection 169 ... are: • EVO: Exhaust Valve Opening, deg • EVD: Exhaust Valve Duration, deg • EVL: Exhaust Valve Lift, mm • IPO: Intake Port Opening, deg • IPL: Intake Port width, mm • THJ: Start of injection, ...

Ngày tải lên: 20/06/2014, 11:20

... experimental results of Wang Chun et al (Wang et al., 2000): (a) top wall; and (b) bottom wall 176 Fuel Injection Results and discussion In order to discuss the influence of the fuel injection location ... combustor with multiple cavity flameholders, three sets of the fuel injection location are employed in this investigation, namely, T2, T4 and both T2 & T4, in Fig The other fuel injection locations ... hydrocarbon fuels, which is sprayed from the fuel injector in Fig 3(a) The fuel injector, which is a typical fuel nozzle used in home-boilers, is equipped with the stainless steel tube and provides fuel...

Ngày tải lên: 20/06/2014, 11:20

... top 216 Fuel Injection 2.4 The deadman The part of the furnace called the deadman, between the belt and the crucible, greatly impacts the entire process It plays a key role in hot metal quality ... resulting from the direct replacement of the original pore solution and heat transfer from 232 Fuel Injection hot water; the ascending section is the heterothermally endothermal process of the system ... 214 Fuel Injection (b) Inside the furnace itself: Screening and loading of raw materials, hopper and system of distributing charge, pressures and temperatures...

Ngày tải lên: 20/06/2014, 11:20

... after EG injection is also given in Table The rate of hydrate dissociation by EG injection is a function of EG concentration, injection rate of EG solution, pressure, temperature of the system ... et al., 1990) In this work, the pressure, temperature and the EG injection rate maintain 246 Fuel Injection constant after the EG injection The instantaneous gas production rates during the whole ... EG stimulation, while the EG injection rate kept nearly constant for the whole production process 252 Fuel Injection Under the experiment conditions, with the EG injection rate increasing, the...

Ngày tải lên: 20/06/2014, 11:20

... controlled Port Fuel Injection (PFI) systems instead of fuel system with carburetor have been used since 1980’s In fuel injection systems, induced air can be metered precisely and the fuel is injected ... fuel economy, at the present day (Stone, 1999) The electronic controlled gasoline direct injection systems were started to be used instead of port fuel injection system since 1990’s 2 Fuel Injection ... engines, fuel supply system consists of the fuel tank, low-pressure pump, fuel filter, high-pressure pump, fuel rail, high-pressure sensor, injector and fuel pressure control valve (Figure 7) The fuel...

Ngày tải lên: 21/06/2014, 01:20

... 9.52  106 cal/m3, respectively The fuel injection rate can be translated into watts For example, a 1.15 kg/hr injection rate of kerosene is 13.3 kW and a 20 lpm injection rate of methane is also ... factors (Steiler, 1998; Kundrat, 1989) 212 Fuel Injection Fig A Blast furnace diagram:(1) Hot blast from Cowper Stones (2) Hearth (melting zone) (3) Belt (reduction zone of ferrous oxide) (4) Stack ... temperatures from the fuel injection point to L9 point in Fig 3(a) range in TP = 4000-1500 K (Hong, et al., 2006) The oxygen atom formation by the plasma may be significant, but it is difficult to find...

Ngày tải lên: 21/06/2014, 01:20