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The goal of heating system in a large-scale salt-fog laboratory is to build a uniform temperature field at a quick pace. Meanwhile, the forced convection is unallowable here because it may affect the uniformity of salt-spray deposition in the salt spray test. For this target and condition constraint, the CFD simulations and experiments of enclosed temperature field model are conducted to explore the...
The temperature monitoring of the stator winding is one of the important fundamental protections for permanent magnet synchronous motor (PMSM) used in electrical hydrostatic actuator of the aircraft and the joint of the robot. This paper proposed an improved method for stator winding temperature estimation based on sinusoidal alternating current injection. First, a simple device for injecting sinusoidal...
A significant amount of attention has been focused on the methods of high heat flux removal due to the advancing requirements of the electronics industry. Water spray cooling is one of the best candidates for these thermal control problems. A new heater designed to simulate the high heat flux was briefly presented. The heating part of the heater was Insulated-Gate-Bipolar-Transistor (IGBT) component...
This paper presents a novel flat-plate heat flux sensor for thermal control systems of airborne electronic equipments and actuators. The sensor consists of a pair of high and low conductivity materials to enable the temperature difference between the heat source and heat sink to be measured by resistance temperature detectors (RTDs) and an auxiliary conditioning circuit. Because high accuracy RTDs...
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