Thermal efficiency and power density improvement are the main research foci of literature on diesel engines. The Miller cycle is considered to be one most promising methods engine operation. In this study, a fully variable valve timing lift mechanism (CD-HFVVS) was studied determine possibility Firstly, seat impact buffer in tested, which proved that can effectively eliminate impact. Then influ...

This article investigates the relationships between heart valve closure timing intervals and left ventricular systolic blood pressure (LVSBP). For this investigation, the cardiopulmonary system is modeled as an analog circuit, including heart chambers, the distal and proximal aorta, distal and proximal systemic arteries/veins, systemic capillaries, the vena cava, the distal and proximal pulmona...

In this paper, a model-based strategy for the air-path, fuel injection timing, and fuel pressure control of a heavy-duty Diesel engine is presented. The engine system is a six-cylinder Diesel engine, equipped with a dual-stage fixed geometry turbo system and a variable valve actuation (VVA) system. The VVA operates on the intake valves, and realizes a late Miller combustion cycle. The control s...

Abstract This paper describes the engineering structure and functions of a typical solenoid valve used in hydraulic mechanisms that are based on variable camshaft timing (VCT). The main operating parameters functional utility coefficients valves have been defined. Tests 10 reference prototype were run test stand for comparative assessment both concepts Welch Mann–Whitney statistical tests mean ...

the purpose of the present study was to examine the effects of self – control modeling , that is presenting moded to learner whenever they asked for it, on learning a timing task.twenty four right handed subjects (12 males, 12 females, aged 19-20) voluntarily participated in the study and were assigned randomly to two groups of self – control and yoked.the task was pressing the keys number 1, 4...

It has been shown previously that applying forced induction to Homogeneous Charge Compression Ignition (HCCI) of bioethanol with residual gas trapping, results in a greatly extended load range compared to normal aspiration. However at very high boost pressures, very high cylinder pressure rise rates develop. The approach documented here explores two ways that might have an effect on combustion ...