Investigation of Aerodynamic Interference in a Multirotor by PIV Method

Czyż, Zbigniew; Stryczniewicz, Wit

doi:10.12913/22998624/86475

Cited by 9 publications

(4 citation statements)

References 8 publications

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“…The tracer particles were carried out in the form Figure 6 shows a test stand for visualizing the airflow around a multirotor aircraft. A detailed description of the measuring system is presented in References [9,38]. The velocity field visualization system was based on the PIV technique and consisted of two key components: a twin-head solid-state laser from Litron (Litron, Rugby, Warwickshire, England) (ND: YAG neodymium laser) and a PCO HiSense digital camera (PCO AG, Kelheim, Germany).…”

Section: Methodsmentioning

confidence: 99%

Measurement of the Flow Field Generated by Multicopter Propellers

Czyż¹,

Karpiński

Stryczniewicz

2020

Sensors

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This paper presents the results of research on the airflow around a multirotor aircraft. The research consisted of the analysis of the velocity field using particle image velocimetry. Based on the tests carried out in a wind tunnel, the distribution of the velocity and its components in the vertical plane passing through the propeller axis were determined for several values of the angle of attack of the tested object for two values of airflow velocity inside the tunnel, i.e., vwt = 0 m/s and vwt = 12.5 m/s. Determining the velocity value as a function of the coordinates of the adopted reference system allowed for defining the range of impact of the horizontal propellers and the fuselage of the research object itself. The tests allowed for quantitative and qualitative analyses of the airflow through the horizontal rotor. Particular attention was paid to the impact of the airflow and the angle of attack on the obtained velocity field distributions.

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Section: Methodsmentioning

confidence: 99%

Measurement of the Flow Field Generated by Multicopter Propellers

Czyż¹,

Karpiński

Stryczniewicz

2020

Sensors

Self Cite

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“…An iteration history file (GAD File) is created to run the optimisation. Two tools are used to present simulation results: IMPRESS Chart (allows the user to generate charts using predefined templates or designed by the user) and PP3 (for flow animations) [15,16].…”

Section: Avl Boost Hydsimmentioning

confidence: 99%

“…Mathematical modelling is a method often used in the design and testing of aircraft engines. It helps shorten the time from concept to prototype, as in the case with the following models of: the process of combustion [15,16], cooling systems [1716,18], charge exchange [19], or whole engines [20,21].…”

Section: Introductionmentioning

confidence: 99%

Numerical Analysis of a Fuel Pump for an Aircraft Diesel Engine

Sochaczewski

Szlachetka²

2019

MATEC Web Conf.

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The paper reports on the process of modelling a high-pressure common rail pump designed to supply a two-stroke compression-ignition engine, which includes the presentation of methodology for model construction and results of simulation tests. A one-dimensional model of the pump was developed in the AVL Hydsim environment. A single-section positive displacement pump driven by a double cam was used for modelling. The developed model enables simulation of pump operation in various conditions defined by shaft speed, pumping pressure, settings of pump executive elements as well as fuel properties. The obtained results were compared with the results of bench tests and theoretical calculations. The analysis included the flow rate fuel overflow and changes in pumping pressure depending on the fuel dispenser settings. The model will also be used to build a complete fuel supply system model consisting of an injector model, a rail model and a control system model. The research is carried out with a view to optimising individual components and the operation of the entire supply system, taking into account the regulation of pumping pressure and synchronisation of the pumping process with fuel injection cycles.

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“…In the case of gas flow analysis, the PIV method is a good alternative to CFD, as it allows flow visualisation. The measurement system in question is described in detail in [5,6].…”

Section: Introductionmentioning

confidence: 99%

Optimisation Studies of Cylinder Water Channel Geometry in an Internal Combustion Engine

Biały

Pietrykowski

2019

MATEC Web Conf.

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This paper presents an analysis of the results of simulation studies of optimisation of water channel geometry placed in the head of an opposed-piston three-cylinder engine. For this purpose, six computation cases were prepared, differing in shape and cross-section field of channels located along the axis of one of the cylinders. The research was conducted by means of Ansys Flutent software. The conditions of initiation and boundary have been obtained from previous studies using AVL Boost RT software. A fixed temperature was assumed on the cylinder wall and a fixed temperature was assumed for the coolant at the inlet to the model. The studies were carried out for the model of the designed engine, which carries out a two-stroke diesel cycle. The engine will be equipped with direct injection of diesel fuel. On the basis of the conducted analysis of the test results, the flow velocity distributions and distributions of speed fields of the working medium in the critical cross-sections, the distribution of temperature and heat flow fields were prepared. Pressure drops and heat dissipation were also determined for individual models. This provided the basis for the determination of the influence of the rib's transverse geometry shape on the amount of heat received from the cylinder's smoothing walls.

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Investigation of Aerodynamic Interference in a Multirotor by PIV Method

Cited by 9 publications

References 8 publications

Measurement of the Flow Field Generated by Multicopter Propellers

Measurement of the Flow Field Generated by Multicopter Propellers

Numerical Analysis of a Fuel Pump for an Aircraft Diesel Engine

Optimisation Studies of Cylinder Water Channel Geometry in an Internal Combustion Engine

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