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2012 | Buch

Piston function, requirements, and types Kapitel lesen Erstes Kapitel lesen

Pistons and engine testing

herausgegeben von: MAHLE GmbH

Verlag: Vieweg+Teubner Verlag

Buchreihe : ATZ/MTZ-Fachbuch

Enthalten in: Springer Professional "Wirtschaft+Technik" , Springer Professional "Technik"

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SUCHEN

Über dieses Buch

The ever-increasing demands placed on combustion engines are just as great when it comes to this centerpiece - the piston. Achieving less weight or friction, or even greater wear resistance, requires in-depth knowledge of the processes taking place inside the engine, suitable materials, and appropriate design and machining processes for pistons, including the necessary testing measures. It is no longer possible for professionals in automotive engineering to manage without specific know-how of this kind, whether they work in the field of design, development, testing, or maintenance. This technical book answers these questions in detail and in a very clear and comprehensible way.

Inhaltsverzeichnis

Frontmatter
1. Piston function, requirements, and types
Abstract
In the cylinder of an engine, the energy bound up in the fuel is rapidly converted into heat and pressure during the combustion cycle. The heat and pressure values increase greatly within a very short period of time. The piston, as the moving part of the combustion chamber, has the task of converting this released energy into mechanical work.
MAHLE GmbH
2. Piston design guidelines
Abstract
Due to the operational requirements of typical internal combustion engines (two-stroke, fourstroke, gasoline, and diesel engines), aluminum-silicon alloys are generally the most appropriate piston materials. Large-bore pistons and commercial vehicle pistons, or their crowns or upper parts, however, are often made of steel.
MAHLE GmbH
3. Simulation of piston operational fatigue strength using FEA
Abstract
Today’s requirements for modern combustion engines can be met only with highly efficient combustion and charging processes. Modern engines can now achieve specific power output and peak cylinder pressures in the combustion chamber that were previously unheard of outside of motorsport. This exposes the pistons to extreme loads, but the high requirements for service life and cost efficiency remain unchanged for these components. They are the decisive variables in the current global competitive environment.
MAHLE GmbH
4. Piston materials
Abstract
The functions of the piston and the loads that act on it present a very special set of requirements for the piston material.
MAHLE GmbH
5. Piston cooling
Abstract
As specific power output increases in modern combustion engines, the pistons are subjected to increasing thermal loads. Efficient piston cooling is therefore required more frequently in order to ensure operational safety.
MAHLE GmbH
6. Component testing
Abstract
Component strength of the piston can be ensured in various ways. The finite-element method, strain gage measurement, or dynamic component testing are typically used. In the numerical component analysis, all relevant thermal and mechanical loads, shrink-fit, as well as residual stresses can be analyzed.
MAHLE GmbH
7. Engine testing
Abstract
Over the past decade, simulation analysis has taken on greater significance in the development process. The importance of engine testing, however, has in no way been diminished by this trend. It is used not just for direct component development at this point, but also for validating new simulation programs and systematically generating design specifications.
MAHLE GmbH
Backmatter
Metadaten
Titel
Pistons and engine testing
herausgegeben von
MAHLE GmbH
Copyright-Jahr
2012
Verlag
Vieweg+Teubner Verlag
Electronic ISBN
978-3-8348-8662-0
Print ISBN
978-3-8348-1590-3
DOI
https://doi.org/10.1007/978-3-8348-8662-0

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