large and low speed diesel engine

Ngày tải lên: 14/05/2016, 20:48

... mixtures The engine is operated with the stratified, homogeneous lean and homogeneous stoichiometric modes; at low load and speed, at medium load and speed and at high load and speed, respectively ... economy is 18% lower than that of PFI engine CO2 emission is 12% lower than that of PFI engine Although TSI engine swept volume is lower than PFI engine, power and torque is higher by 20% and 35%, ... allows the better mixture formation and combustion, and lower fuel consumption (Website 1, 2010) 3.2 The Operating Modes GDI engine operates at different operating modes depending on load and engine...

Ngày tải lên: 21/06/2014, 01:20

... mean and standard deviation calculations for samples Table Average uncertainties of some measured and calculated parameters S.No Parameters Speed Temperature Mass flow ratye of air Mass flow rate ... flows in port and manifold injection The optimized EGR flow percentage was found to be 20 % in both port and manifold injection Table 10 shows the various EGR flow percentages used in port and ... for hydrogen and 0.3 m/s for diesel) compared to diesel In general the NO formed in hydrogendiesel dual fuel operation is higher for both port and manifold injection compared to diesel operation...

Ngày tải lên: 05/09/2013, 15:28

... mating faces of the valve and air cleaner are clean 10 On completion, start the engine and check that the idle speed is stable, and that there are no air leaks Warm the engine up to normal operating ... First! at the beginning of this manual and follow them implicitly Petrol is a highly dangerous and volatile liquid and the precautions necessary when handling it cannot be overstressed The fuel ... (ACT) sensor, Manifold Absolute Pressure (MAP) sensor and Throttle Position Sensor (TPS), and controls the engine idle speed via the Idle Speed Control Valve (ISCV) The air cleaner is similar...

Ngày tải lên: 25/01/2014, 02:20

Ngày tải lên: 26/05/2014, 15:16

... volts) to the fuel pump Three Speed Fuel Pump Control With this system, the fuel pump is controlled in steps (high speed, medium speed, and low speed) High Speed When the engine is operating under ... off and the fuel pump stops operating Two Speed Fuel Pump Control Large displacement engines require a higher volume of fuel during starting and heavy load conditions than small displacement engines ... plate, and current flows to the L2 coil of the circuit-opening relay Page © Toyota Motor Sales, U.S.A., Inc All Rights Reserved FUEL SYSTEMS #1 - OVERVIEW Engine Running After the engine starts and...

Ngày tải lên: 28/05/2014, 14:24

... displacement engines, higher fuel efficiency, lower emission and higher power (Bandel et al., 2006) The GDI engines also help eliminate the disadvantages conventional turbocharged engines (namely ... Akishino K and Ando H., Combustion Control Technologies for Direct Injection SI Engine, SAE Paper 960600 Kỹsell M., Moser W and Philipp M., Motronic MED7 for Gasoline Direct Injection Engines: Engine ... useful to determine the geometric design of high speed Diesel engine combustion chambers with direct injection For example, in a low speed regime and light load conditions, the unburned hydrocarbon...

Ngày tải lên: 20/06/2014, 11:20

... determine the geometric design of combustion chambers for high speed regime diesel engines with direct injection For example, in low speed regime and light load the hydrocarbon emissions will be reduced ... Distribution in a D.I Diesel Engine Using 2-D Laser-Induced Incandescence Imaging" SAE Technical Paper 910224 Dec J E y Espey Ch (1992) “Soot and Fuel Distribution in a D.I Diesel Engine via 2-D Imaging" ... Characterization in Diesel Engines Combustion Modelling in Reciprocant Engines, Mattavi and Amann, Plenum Press Hiroyasu H y Miao H (2002) “Optical Techniques for Diesel Spray and Combustion" Congreso...

Ngày tải lên: 20/06/2014, 11:20

... direct-injection diesel engine typical was measured and modeled by Bakar et al (2007) using GT-POWER computational model and has explored of diesel engine performance effect based on engine speeds GT-POWER ... GT-POWER is the leading engine simulation tool used by engine and vehicle makers and suppliers and is suitable for analysis of a wide range of engine issues The details of the diesel engine design vary ... The diesel engine compression ratio can be calculated as below: rc  V d  Vc Vc (1) and the power delivered by the diesel engine and absorbed by the dynamometer is the product of torque and...

Ngày tải lên: 20/06/2014, 11:20

... in-cylinder burned in any different engine speeds and the best burning is in low speed engine In engine performance effect, all of the nozzles have examined and the five holes nozzle provided ... indicted power, indicated torque and ISFC in any different engine speeds References Baik, Seunghyun (2001) Development of Micro -Diesel Injector Nozzles Via MEMS Technology and Effects on Spray Characteristics, ... Bakar, R.A and Ismail, A.R (2007) Effect Of Engine Performance For Four-Stroke Diesel Engine Using Simulation, Proceeding The 5th International Conference On Numerical Analysis in Engineering,...

Ngày tải lên: 20/06/2014, 11:20

... compression ignition gasoline engine performance and emissions using fully automated experiments and microgenetic algorithms, J of Engineering for Gas Turbines and Power 126: 167–177 Catalano, ... in diesel engines, SAE Transactions 920624 Yamane, K & Shimamoto, Y (2002) Combustion and emission characteristics of directinjection compression ignition engines by means of two-stage split and ... Salzburg, Austria Ficarella, A., Laforgia, D & Landriscina, V (1999) Evaluation of instability phenomena in a common rail injection system for high speed diesel engines, SAE paper 1999-01-0192 Ganser,...

Ngày tải lên: 20/06/2014, 11:20

... design, analysis and optimization of diesel engines 143 X Integrated numerical procedures for the design, analysis and optimization of diesel engines Daniela Siano1, Fabio Bozza2 and Michela Costa1 ... interaction of the main and spraying flows and the interaction of air flows with droplets Gas isotherms in this case are resulted on fig 17 and 18, accordingly for 1 = 0 = 30 and 1 = 0 = 60 0.6 ... engine performance, the reduction of the NOx and soot emissions, and the reduction of the radiated noise, at a constant load and rotational speed The second paragraph illustrates the design and...

Ngày tải lên: 20/06/2014, 11:20

... Advanced Diesel Engines? – Fuel Effects in “Premixed-Enough” compression ignition Engines”, Towards Clean Diesel Engines, TCDE2009 Liu, A.B and Reitz, R.D (1993) "Modeling the Effects of Drop Drag and ... maximum temperature and maximum pressure This means that both a lower noise and NOx emission are expected, together with well lower thermal and mechanical stresses on the engine The above results ... “Prediction and Optimization of the Performances, Noxious Emissions and Radiated Noise of a Light Duty Common-Rail Diesel Engine , proceedings of 9th International Conference on Engines and Vehicles...

Ngày tải lên: 20/06/2014, 11:20

... the flow parameters in the two supersonic flows of air and hot streams, and the effect of the clapboard, the expansion wave appears during flow expansions When the two flows intersect, the flow ... combustion, and a larger low Mach number region is generated on the lower wall of the combustor because of the stronger interaction between the shock wave and the boundary-layer, see Fig 13 (b), and ... hydrogen injected from both T2 and T4, the fuel and the combustion product distribute both on the upper and lower walls of the combustor, see Fig 13 (d) and (e), and the combustion occurs mainly...

Ngày tải lên: 20/06/2014, 11:20

... finite length, L, in a sand pack of permeability tensor, k, and cross-sectional area, A For linear flow of an incompressible fluid of viscosity  through this sand pack, the flow rate is related ... not spherical and not have the same dimensions, so fine pieces caught in larger pieces can significantly lower the porosity of the load It can be seen, therefore, that preparing and classifying ... volume, the design of the BF must promote these changes and the rapid, steady and consistent descent of the charge, slag and iron formation and casting at the bottom, as well as the release of gases...

Ngày tải lên: 20/06/2014, 11:20

... section is the hydrate dissociation and gas production process and considered to be Section II Afterwards in Section III, the hydrate dissociation process has finished, and there is only the residual ... Thermal efficiencies and energy ratios for the hydrate production in the above various experimental runs under hot water and hot brine injections are shown in Figures 12 and 13, respectively ... thermal efficiency and the energy ratio are different As shown in Figures 12, 13, it is noted that at low temperature, 50 oC, the increase effectiveness of the thermal efficiency and the energy ratio...

Ngày tải lên: 20/06/2014, 11:20

... Demand On Modern Diesel Engine Development • Low fuel consumption • Low pollutant emissions • Quiet running engines • Improved engine performance Common rail fuel injection system and its ... Common Rail Sub functions Low –pressure circuit comprises of: Fuel tank ,Pre-supply pump, Fuel filter, And the respective connection lines Low –pressure circuit The low –pressure circuit is responsible ... rail) and to inject the fuel through the injectors into the engine s combustion chambers The Common Rail Sub functions ECU and sensors The common rail ECU evaluates the signals from the following...

Ngày tải lên: 20/06/2014, 17:41

... determine the geometric design of combustion chambers for high speed regime diesel engines with direct injection For example, in low speed regime and light load the hydrocarbon emissions will be reduced ... Distribution in a D.I Diesel Engine Using 2-D Laser-Induced Incandescence Imaging" SAE Technical Paper 910224 Dec J E y Espey Ch (1992) “Soot and Fuel Distribution in a D.I Diesel Engine via 2-D Imaging" ... Characterization in Diesel Engines Combustion Modelling in Reciprocant Engines, Mattavi and Amann, Plenum Press Hiroyasu H y Miao H (2002) “Optical Techniques for Diesel Spray and Combustion" Congreso...

Ngày tải lên: 21/06/2014, 01:20

... Advanced Diesel Engines? – Fuel Effects in “Premixed-Enough” compression ignition Engines”, Towards Clean Diesel Engines, TCDE2009 Liu, A.B and Reitz, R.D (1993) "Modeling the Effects of Drop Drag and ... maximum temperature and maximum pressure This means that both a lower noise and NOx emission are expected, together with well lower thermal and mechanical stresses on the engine The above results ... “Prediction and Optimization of the Performances, Noxious Emissions and Radiated Noise of a Light Duty Common-Rail Diesel Engine , proceedings of 9th International Conference on Engines and Vehicles...

Ngày tải lên: 21/06/2014, 01:20

... blower fan and was mixed with air The blower fan suck up air contaminated with NH3 and H2S gas, and transferred the contaminants into the reaction chamber And then the total air-flow rate was ... CH4 and various N2 gas flow rates at the applied microwave power of 1.4 kW DREs were measured in terms of N2 flow rates The N2 flow rate of SF6 and CF4 abatement were from 40 lpm to 160 lpm and ... Injection very compact and light to be handy for various applications The temperature of the reaction chamber wall and the exit gas is not hot due to a large amount of airflow In fact, the outer...

Ngày tải lên: 21/06/2014, 01:20