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Search results for: cold-start problem
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Cold Start Emissions Investigation at Different Ambient Temperature Conditions
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RDE Testing of Passenger Cars: The Effect of the Cold Start on the Emissions Results
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CLASSIFICATION OF RESTRAINTS IN THE OPTIMIZATION PROBLEM OF A COLD-FORMED PROFILE
PublicationThis work describes the restraints in the optimization problem. This is an important and complicated issue because it requires taking into account a vast range of information related to the design and production. In order to describe the relations of a specific optimization problem, it is essential to adopt appropriate criteria and to collect information on all kinds of restraints, i.e. boundary conditions. The following paper...
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Simulation of large thrust-bearing performance at transient states, warm and cold start-up
PublicationThe start-up of a large hydrodynamic thrust bearing of a vertical hydrogenerator is one of the most critical situations during the lifetime of a bearing. Hydrodynamic load capacity is low due to low speed and higher thermal deformations of the pad. A new approach to the simulation of a hydrodynamic bearing is shown in this article. A combination of finite elements method and computational fluid dynamics is used to perform the transient...
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Investigation of Exhaust Emissions from DI Diesel Engine During Cold and Warm Start
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Exhaust Emission from Passenger Cars During Engine Cold Start and Warm-Up
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The effect of a low ambient temperature on the cold-start emissions and fuel consumption of passenger cars
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Cold Start Emissions of Spark-Ignition Engines at Low Ambient Temperatures as an Air Quality Risk
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An Investigation into Cold Start Emissions from Compression Ignition Engines using EU Legislative Emissions Test Procedures
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Euro III / Euro IV Emissions - A Study of Cold Start and Warm Up Phases with a SI (Spark Ignition) Engine
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