Abstract: A snow making apparatus includes: a snow making container having an inner space for snow making; a supply unit configured to supply fine snow or fine water droplets to the inner space; a catching unit configured to catch the fine snow or the fine snow formed of the water droplets; and a drive unit configured to move the catching unit toward a place where the fine snow is flying in the inner space. The catching unit is configured to be shaken thereby making snow caught by the catching unit fall off from the catching unit.

Abstract: A snow making apparatus includes a cylindrical body and a snow making nozzle that jets water droplets into the cylindrical body. The cylindrical body has a proximal end that is opened to a temperature environment where snow can be produced from water droplets jetted from the snow making nozzle. A distal end of the cylindrical body is connected to a pipe member communicating with a test chamber. The snow making nozzle is formed of a two-fluid nozzle. The pipe member communicates with a snowfall hood disposed in the test chamber and having a supply opening that allows snow to fall. The cylindrical body is disposed in an oblique posture so as to be lowered from a proximal end toward a distal end of the cylindrical body.

Abstract: An object of the present invention is to provide an environment testing apparatus capable of achieving, on the surface of a test object, a stable condensation status with less variation in the condensation amount than that of already existing-art. The environment testing apparatus 100 includes a regulator 4. On the basis of a signal from a condensation amount sensor 9, the regulator 4 controls the temperature of a cooling/heating plate 6 between a deviation-added value of the wet bulb temperature obtained from the wet bulb 11, and a deviation-added value of the dew-point temperature inside the test chamber 1.

Abstract: An object of the present invention is to provide an environment testing apparatus capable of achieving, on the surface of a test object, a stable condensation status with less variation in the condensation amount than that of already existing-art. The environment testing apparatus 100 includes a regulator 4. On the basis of a signal from a condensation amount sensor 9, the regulator 4 controls the temperature of a cooling/heating plate 6 between a deviation-added value of the wet bulb temperature obtained from the wet bulb 11, and a deviation-added value of the dew-point temperature inside the test chamber 1.