Increasing the precision of measurements of the characteristics of internal combustion engines

Dobrolyubov, I. P.

doi:10.1007/s11018-007-0042-2

Cited by 1 publication

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“…In the works of other researchers most often the linear or cubic interpolation and splines have been considered. This does not mean that the classical Lagrange formulas were not used but they related to separate issues such as: the assessment of individual performance of Suhail turbocharger [19], the simulation of Kim and Lee piston and valve travel [11] or discretization of measurement signals from Dobrolyubov engine [4].…”

Section: Introductionmentioning

confidence: 99%

Application of the Polynomial Interpolation Method for Determining Performance Characteristics of a Diesel Engine

Stoeck¹,

Abramek²

2014

Metrology and Measurement Systems

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The article shows the methodology and calculation procedures based on Lagrange polynomial interpolation which were used to determine standard performance characteristics of the Polish production engine, type ANDORIA 4CTi90-1BE6. They allow to simplify the experimental research by maintaining a minimum number of measurement points and estimating the remaining data in an analytical way. The methods presented are convenient when it comes to the practical side because they eliminate the need for exploration of mathematical equations describing the various curves, which can be cumbersome and time consuming in the case of nonautomated accounts. The results of analysis were applied to actual experimental results, indicating sufficient accuracy of the resulting approximations. As a result, procedures may be used in bench testing of a similar profile, especially with repeated cycles of the experiment, such as optimization of operating parameters of combustion engines.

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Section: Introductionmentioning

confidence: 99%