GasolineBi-fuelEfficiencyEmissionsThe combustion characteristics of hydrogen compared to gasoline offer the potential of an increased engine efficiency, especially at part load. Here, results are presented of the brake thermal efficiency of a bi-fuel hydrogen/gasoline engine, at several engine speeds ...
Hydrogen combustion has the characteristics of wide ignition range, fast flame propagation speed and low ignition energy, and the heat release of hydrogen combustion is high, which is three (times) than gasoline, so hydrogen can be used as a fuel in the engine. Hydrogen engines are divided ...
This study investigates the effect of adding hydrogen to the gasoline鈥揳ir mixture on the misfire phenomenon. The effect of hydrogen addition is characterized by performing a statistical analysis of the indicated mean effective pressure (IMEP) time series over 1,000 engine cycles. Using the ...
Hydrogen Could Replace Gasoline In Internal Combustion Engines Not in an existing Internal Combustion engine. All the engines the author identifies are new designs, which would go into new cars. There is no drop-in solution here.How Do Hydrogen Cars Work?
Fuel cells vs. batteries In a hydrogen drive with fuel cells, fuel in form of hydrogen and oxygen is continuously supplied to the cell block, similar to the supply of gasoline or diesel fuels in internal combustion engines. Batteries for driving electric motors, on the other hand, differ in...
An internal combustion engine uses less than 20 percent of the chemical energy in gasoline, making it a relatively inefficient process. A fuel cell, by contrast, is considerably more efficient, utilizing roughly 60 percent of the energy available in hydrogen. No more foreign oil dependency? A ...
At the heart of the engine is a revolutionary patented injector with a dual concentric needle design. A small amount of pilot fuel (which can be HVO, or diesel fuel) is injected into the cylinder prior to the gas, to initiate the ignition resulting in a reduction of almost 97% of CO2 ...
The efficiency of a gasoline-powered car is surprisingly low. All of the heat that comes out as exhaust or goes into the radiator is wasted energy. The engine also uses a lot of energy turning the various pumps, fans and generators that keep it going. So the overall efficiency of an...
engine and this depends on the change in the combustion process and the change in the composition of the fuel. The calculation methodology of the combustion process when the engine is fuelled with pure gasoline and with additives of hydrogen-containing gas presented. Presented results how addition ...
hydrogen-fueled PFI engines suffer from a power deficit in comparison with gasoline engines. This paper reports measurements on a single-cylinder hydrogen engine equipped with a supercharger and an exhaust gas recirculation (EGR) system. Using EGR combined with supercharging and a three-way catalyst...