Fuel Additives & Fuel Economy Abstracts - Southwest Research ...

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Topic:Point of Contact:Test Objective:Apparatus:Intake Valve DepositApparatusRobert LeggPhone: (210) 522-2071Fax: (210) 522-4544The objective of this test is to evaluate the foulingtendencies of a gasoline or the effectiveness of anadditive in preventing intake valve deposits.A bench rig to simulate the formation of intake valvedeposits is used for this test.Test Procedure: 1. Test cycle consists of :• 0.8 second spray every 10 seconds• Continuously heated valve2. The cycle is repeated for 20 hours.Fuel Requirement:Duration:Test Results:The fuel requirement for this test is 2 liters of fuel.The test duration is 20 hours.The valve weight increase is determined at the end of thistest.Note:18SOUTHWEST RESEARCH INSTITUTESan Antonio, TexasJuly 2010
Light- and Heavy-Duty Vehicle Emissionsand Fuel EconomyTopic:Point of Contact:Test Objective:Vehicle:Test Procedure:Fuel Requirement:Emissions Light- andHeavy-Duty EvaluationUsing ChassisDynamometerKevin WhitneyPhone: (210) 522-5869Fax: (210) 522-3950The objectives of this test are:• Control technology development• Fuel/additives effects on emissions and fuel economy• Emission characterization• Emissions certificationAny light-duty vehicle, or heavy-duty vehicles such asurban buses or semi-tractor may be selected for use.Transient operation over any schedule, most steady-stateconditions, at controlled temperatures (10°F to 120°F) areavailable for light-duty work.Fuel requirements for this test are as required by client.Gasoline, diesel fuel, ethanol blends, liquefied petroleumgas, natural gas, and biofuel blends in varying quantitiesmay be called for in this procedure.Duration: Cycles and modes typically range from 20 minutes to 1hour. Most tests require preparation and 12-hour soak.Test Results:Test results from this test typically include:• Regulated & unregulated emissions• Vehicle & tested component performance data• Modal analysis and continuous raw emissions• Fuel consumptionNote:19SOUTHWEST RESEARCH INSTITUTESan Antonio, TexasJuly 2010
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Fuel Additives & Fuel Economy Abstracts - Southwest Research ...

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