25 °C,RH 50%,P=101.325 kPa → 完整湿空气状态 干球 25 °C,RH 50%。P_ws(25)=3.1674 kPa,P_w=1.5837 kPa。W=0.622·1.5837/(101.325−1.5837)=0.009876 kg/kg(9.876 g/kg)。h=1.006·25+0.009876·(2501+1.86·25)≈50.31 kJ/kg。T_dp≈13.86 °C,T_wb≈17.89 °C(热力学方程迭代),v≈0.8578 m³/kg。{"result":"Psychrometric state at T=25 °C, RH=50%, P=101.325 kPa. W=9.876 g/kg, φ=50%, dew-point=13.86 °C, wet-bulb=17.89 °C, h=50.31 kJ/kg da, v=0.8578 m³/kg da.","metadata":{"input":{"dryBulb":25,"tempUnit":"°C","humidityInput":"rh","humidityValue":50,"humidityRatioUnit":"g/kg","pressure":101.325,"pressureUnit":"kPa"},"result":{"dryBulb_C":25,"humidityRatio_kg_kg":0.009876,"humidityRatio_g_kg":9.876,"relativeHumidity_pct":50,"dewPoint_C":13.86,"wetBulb_C":17.89,"enthalpy_kJ_kg":50.31,"specificVolume_m3_kg":0.8578,"vapourPressure_kPa":1.5837,"saturationPressure_kPa":3.1674,"pressure_kPa":101.325}}}
20 °C,W=7.6 g/kg,P=101.325 kPa → 由含湿量输入 干球 20 °C,含湿量 W=7.6 g/kg=0.0076 kg/kg。P_w=101.325·0.0076/(0.622+0.0076)=1.2234 kPa。P_ws(20)=2.3382 kPa,φ=52.33%。h=1.006·20+0.0076·(2501+1.86·20)≈39.43 kJ/kg。T_dp≈9.94 °C,T_wb≈13.69 °C。{"result":"Psychrometric state at T=20 °C, W=7.6 g/kg, P=101.325 kPa. W=7.6 g/kg, φ=52.33%, dew-point=9.94 °C, wet-bulb=13.69 °C, h=39.43 kJ/kg da, v=0.8401 m³/kg da.","metadata":{"input":{"dryBulb":20,"tempUnit":"°C","humidityInput":"W","humidityValue":7.6,"humidityRatioUnit":"g/kg","pressure":101.325,"pressureUnit":"kPa"},"result":{"dryBulb_C":20,"humidityRatio_kg_kg":0.0076,"humidityRatio_g_kg":7.6,"relativeHumidity_pct":52.33,"dewPoint_C":9.94,"wetBulb_C":13.69,"enthalpy_kJ_kg":39.43,"specificVolume_m3_kg":0.8401,"vapourPressure_kPa":1.2234,"saturationPressure_kPa":2.3382,"pressure_kPa":101.325}}}