TY  - JOUR
AB  - Purpose The purpose of this paper is to provide an analytical method of jet flow injection direction and to determine the influence of oil nozzle structure parameters on oil injection direction, thus providing the design method of oil nozzle structure parameters.Design/methodology/approach A model of oil injection loss is established to analyze the influence of oil nozzle structure parameters on oil injection direction. The computational fluid dynamics method is used to simulate the process of the deviation of jet flow injection direction. The deviation of jet flow injection direction with different oil nozzle structure parameters is calculated and their variations are obtained. Moreover, the deviation of jet flow injection direction with different oil nozzle structure parameters is tested to verify the analysis results.Findings Results indicate that radial velocity caused the deflection of the oil injection direction. The deviation of jet flow increased as the nozzle slenderness ratio decreased. The design method of the nozzle slenderness ratio (greater than five) is proposed to avoid the deviation of injection direction, and it is necessary to consider the matching between the nozzle slenderness ratio and pipeline pressure. The computational results coincide well with the experimental results.Originality/value The research presented here analyzed the influence of oil nozzle structure parameters on oil injection direction via a numerical analysis method. It also leads to a design reference guideline that could be used in jet lubrication, thus controlling the direction of the injection jet accurately.
VL  - 73
IS  - 1
SN  - 0036-8792
DO  - 10.1108/ILT-01-2019-0026
UR  - https://doi.org/10.1108/ILT-01-2019-0026
AU  - Wang Yanzhong
AU  - Song Guanhua
AU  - Niu Wentao
AU  - Zhang Yaping
PY  - 2019
Y1  - 2019/01/01
TI  - Influence of oil nozzle structure parameters on oil injection direction
T2  - Industrial Lubrication and Tribology
PB  - Emerald Publishing Limited
SP  - 1
EP  - 7
Y2  - 2024/04/25
ER  -