Time Control Model for Increasing Work Rate to High-Pressure Tube

Abstract

The work of the fuel engine is based on the fuel entering and expelling high-pressure tubing. The intermittent work of the fuel entering and expelling will lead to the change of pressure in the high-pressure tubing. This paper established the time control model to carry out the research. For the first question, we made the fuel entry period and injection period equal to 100ms. Because of \(\frac{\Delta P}{\Delta \rho }=\frac{E}{\rho }\), the volume of the high-pressure tubing remained constant, and the fuel mass into the high-pressure tubing was equal to the fuel mass ejected from the high-pressure tubing. The density time control model was established under the condition of mass conservation, and the opening time of each time was obtained to be 0.275ms. For the second question, we set the pressure increase after each fuel entry in the adjustment process to be equal. Due to \(\frac{\Delta P}{\Delta \rho }=\frac{E}{\rho }\), we obtained the new density value of the high-pressure tubing, and substituted the density and time model to obtain the opening time of each one-way valve.