The atomization characteristics of three types of centrifugal nozzles’ injection into static atmosphere at the head of a central staged combustion chamber’s auxiliary oil passage were experimentally studied. The influences of different injected fuel temperature (-40~80 ℃) and fuel supply pressure difference on the fuel atomization characteristics were obtained. Phase Doppler particle anemometry （PDPA） was used to measure the spray mist characteristics on the plane 30mm away from the nozzle exit along the flow direction

and the laser particle size analyzer was used to further verify the experimental results. The results of the experimental study were given as follows: (1) the flow number of the centrifugal nozzle gradually decreased with the increase of the fuel temperature

and decreased sharper in the low temperature section. (2) The Sauter mean diameter (SMD) in the diameter on the measuring plane decreased with the temperature rise in the low temperature section

while the decrease was sharper at the center of the fuel spray cone. (3) The particle size distribution of the spray field measured by the laser particle size analyzer verified the accuracy of the PDPA measurement results to a certain extent. The droplet characteristic diameter and the droplet size distribution coefficient decreased with the increase of the fuel supply pressure difference.