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RISSpark Ignition Feedback Control by Means of Combustion Phase Indicators on Steady and Transient Operation
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In order to reduce fuel cost and CO2 emissions, modern spark ignition (SI) engines need to lower as much as possible fuel consumption. A crucial factor for efficiency improvement is represented by the combustion phase, ...
Effectiveness of Tuned Mass Dampers against Ground Motion Pulses
Publisher: American Society of Civil Engineers
Abstract: It is known that the effectiveness of tuned mass dampers (TMDs) decreases as the input duration shortens. As a result, their use is commonly discouraged against short-duration, pulse-like ground motions, such as those ...
A Comparison Between Combustion Phase Indicators for Optimal Spark Timing
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The closed-loop control of internal combustion engine spark timing may be accomplished by means of a combustion phase indicator, i.e., a parameter, derived from in-cylinder pressure analysis, ...
A Eulerian Method for Water Droplet Impingement by Means of an Immersed Boundary Technique
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The estimation of water droplet impingement is the first step toward a complete ice accretion assessment. Numerical approaches are usually implied to support the experimental testing and to provide fast responses when ...
Experimental Determination of Liquefied Petroleum Gas–Gasoline Mixtures Knock Resistance
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The results of previous experimental researches showed that great advantages can be achieved, both in terms of fuel consumption and pollutant emissions, in bifuel vehicles by means of the doublefuel combustion, i.e., the ...
A Comprehensive Model for the Auto-Ignition Prediction in Spark Ignition Engines Fueled With Mixtures of Gasoline and Methane-Based Fuel
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The introduction of natural gas (NG) in the road transport market is proceeding through bifuel vehicles, which, endowed of a double-injection system, can run either with gasoline or with NG. A third possibility is the ...
The Potential of a Separated Electric Compound Spark-Ignition Engine for Hybrid Vehicle Application
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In-cylinder expansion of internal combustion engines based on Diesel or Otto cycles cannot be completely brought down to ambient pressure, causing a 20% theoretical energy loss. Several systems have been implemented to ...
Indirect Measurement of the Inertia Properties of a Knee Prosthesis Through a Simple Frequency-Domain Technique
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The dynamic study of humans carrying prostheses requires the rigid-body inertia properties of the prostheses. Since such properties are difficult to evaluate, in general, roughly estimated values ...
Mitral Valve Finite Element Modeling: Implications of Tissues’ Nonlinear Response and Annular Motion
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Finite element modeling represents an established method for the comprehension of the mitral function and for the simulation of interesting clinical scenarios. However, current models still do ...
A Refined Model for Knock Onset Prediction in Spark Ignition Engines Fueled With Mixtures of Gasoline and Propane
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In the last decade, gaseous fuels, such as liquefied petroleum gas (LPG) and natural gas (NG), widely spread in many countries, thanks to their prerogative of low cost and reduced environmental impact. Hence, bifuel engines, ...