injdata-fueltype
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injdata-fueltype [2011/12/23 12:09] twdorris |
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| That's an extreme example, of course, but the same principles apply to fuel (with the injector being your straw). Ethanol can be very different from gasoline and even gasoline from one station can be different from another station. | That's an extreme example, of course, but the same principles apply to fuel (with the injector being your straw). Ethanol can be very different from gasoline and even gasoline from one station can be different from another station. | ||
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| To illustrate this difference, we ran a number of tests with different injectors flowing gasoline and then again with E85. The same set of injectors was used in both cases. The gasoline measured out to be roughly E6 (6% ethanol) and the E85 measured out to be exactly E85 (85% ethanol). Both cans were filled from the same station at the same time on the same day as the tests were run. | To illustrate this difference, we ran a number of tests with different injectors flowing gasoline and then again with E85. The same set of injectors was used in both cases. The gasoline measured out to be roughly E6 (6% ethanol) and the E85 measured out to be exactly E85 (85% ethanol). Both cans were filled from the same station at the same time on the same day as the tests were run. | ||
| - | * First, we gathered data using stock DSM injectors. We noted a 13% drop in flow rate when flowing E85 vs. gasoline. | + | * First, we gathered data using stock DSM injectors. We noted a drop of 13% in flow rate when flowing E85 vs. gasoline. |
| - | * Then we ran a set of FIC BlueMax 1450s. We noted a 11% drop in flow rate. | + | * Then we ran a set of FIC BlueMax 1450s. We noted a drop of 11% in flow rate. |
| - | * Then we ran a set of FIC BlueMax 2150s. We noted a 6% drop in flow rate. | + | * Then we ran a set of FIC BlueMax 2150s. We noted a drop of 6% in flow rate. |
| The results are summarized below. | The results are summarized below. | ||
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| |{{fueltype-450-effects.png?300|Stock 450}}|{{fueltype-1450-effects.png?300|FIC BM1450}}|{{fueltype-2150-effects.png?300|FIC BM2150}}| | |{{fueltype-450-effects.png?300|Stock 450}}|{{fueltype-1450-effects.png?300|FIC BM1450}}|{{fueltype-2150-effects.png?300|FIC BM2150}}| | ||
| - | So clearly fluid properties needs to be taken into account when calculating volumetric flow figures. This effect also appears to depend on the injector type/size too! Like everything else injector related, this just isn't as easy as it seems like it should be at first. | + | So clearly fluid properties need to be taken into account when calculating volumetric flow figures. This effect also appears to depend on the injector type/size too! Like everything else injector related, this just isn't as easy as it seems like it should be at first. |
injdata-fueltype.txt · Last modified: 2024/03/15 11:16 (external edit)
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