5results about "Material condensation" patented technology

Embodiments of the present invention provide a frost point hygrometer apparatus utilizing dry ice and ethanol, or liquid nitrogen, as cryogenic coolant. FPH apparatus in accordance with embodiments of the present invention includes a copper cold finger with a sink immersed in a liquid cryogen to provide cooling power throughout the profile, a polished mirror disk residing at the opposite end of the cold finger with ambient air passing over it, a nichrome heater wrapped around the narrow shaft of the continuous cold finger and mirror piece to provide heat to the mirror, an optical source and detector, including an infrared light-emitting diode and a photodiode, to monitor the mirror's reflectivity as condensate accumulates in the form of dew or frost, a biconvex lens to focus the light reflected from the mirror into the photodiode, and a calibrated thermistor embedded in the mirror to measure the frost point temperature.

The application provides a bridge component anti-icing performance test method and equipment, and the system realizes multivariate simulation test on the bridge cable icing process through integration of an adjustable angle support, a test piece refrigeration bin, an ice water control module and an automatic spraying module. The method comprises the following steps: recording initial parameters of the test piece, establishing a simulated freezing rain environment, performing a cyclic spraying test, measuring icing state parameters, and calculating and evaluating a comprehensive anti-icing index based on an equivalent icing amount, an anti-icing delay coefficient and an environmental correction factor. The application can solve the technical problems of low test efficiency, high cost and lack of evaluation method in the prior art.

The invention relates to a condensate water testing method and device, and relates to the technical field of batteries. The technical problem of how to detect the condensate water prevention capability of the battery in related technologies is at least solved. The method comprises the steps that a first preset temperature is obtained, the environment temperature of the battery pack is adjusted to be the first preset temperature, and the first preset temperature is smaller than or equal to a preset temperature threshold value; under the condition that the environment temperature is the first preset temperature, charging and discharging the battery pack, and controlling the battery pack to be in a vibration state in the process of discharging the battery pack; when the battery pack is in a vibration state, condensed water drops in the battery pack can be gathered; under the condition that charging and discharging of the battery pack are completed, condensate water detection is conducted on the battery pack, a detection result is obtained, and the detection result is used for indicating whether condensate water is generated in the battery pack or not. Therefore, the condensate water prevention capability of the battery can be detected.

The invention relates to a method and device for measuring the dew point of humid gases, and more particularly to determining the humidity of gas mixtures according to the dew point, and can be used in all fields in which measurements of this sort are required. The claimed device is capable of determining a dew point in a range of from +45°C to +95°C, which corresponds to a moisture content of from 65 to 3000 g of water per 1 kg of dry air. The device performs continuous measurement. The essence of the invention is that the claimed method for measuring dew point consists in determining the point of a sudden change in the temperature gradient along a tubular cooler through which the humid gas under examination is passed, and calculating the temperature at which this change takes place. The tubular cooler is cooled by the surrounding air. The device has a generator for generating an output signal that transmits information about the parameters of the gas to external systems and that can be used as an input signal for a moisture content regulator. The device can be equipped with a digital indicator for displaying the gas parameters obtained.