scholarly journals Detecting optimization bugs in database engines via non-optimizing reference engine construction

2020 ◽  
Author(s):  
Manuel Rigger ◽  
Zhendong Su
Keyword(s):  
Engine Construction

First step to Forth engine construction

1992 ◽  
Author(s):  
Yong M. Lee ◽  
Edward Conjura
Keyword(s):  
Engine Construction

scholarly journals Indicators of engine performance with direct fuel injection to the combustion chamber

2018 ◽  
Vol 19 (6) ◽  
pp. 405-408
Author(s):  
Dawid Drabik ◽  
Krzysztof Prażnowski
Keyword(s):  
Combustion Chamber ◽  
Fuel Injection ◽  
Engine Performance ◽  
Spark Ignition Engines ◽  
Negative Effects ◽  
Positive Effects ◽  
Ecological Aspects ◽  
Engine Construction ◽  
Overall Efficiency ◽  
Direct Fuel Injection

Spark-ignition engines are becoming very popular among consumers. It is mainly caused by using direct fuel injection, which increases the overall efficiency of the engine. Those positive effects were described by engine manufactures. This article presents some of the indicators of engine performance with direct fuel injection. It also describes the results of engine tests and characterizes performance of an engine.The idea of direct fuel injection is still being refined. Not only it is used in hybrid engines to supply fuel, but also in changing compression ratio in a combustion chamber. Ecological aspects are one of the most crucial when it comes to engine construction and each engine project must consider lowering its negative effects on the environment. In this article the comparison of fuel consumption and emission of harmful substances was presented.

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