含油制冷剂在吸气管内的滞油量预测研究

张智铤, 谷波, 曾炜杰, 胡晋珽, 吴鹏展

Prediction of Oil Retention in Compressor Suction Lines with Refrigerant/Oil Mixture

ZHANG Zhiting, GU Bo, ZENG Weijie, HU Jinting, WU Pengzhan

表2 润滑油及液体混合物的物性参数汇总表

Tab.2 Thermodynamic properties of working pairs in database

编号	作者	工质	压力/温度	ρ_o/ (kg·m^-3)	ρ_mix/ (kg·m^-3)	w_r,mix/ %	ν_mix/ (mm²·s^-1)	σ_o/ (mN²·m^-1)	σ_mix/ (mN²·m^-1)
1	Cremaschi等^[15]	R22/MO	p=550 kPa, t=24 ℃	862.0^b	888.1	10.56^a	19.00	33.0^a	31.7
		R410A/POE	p=550 kPa, t=24 ℃	985.3^b	990.8	7.63^b	28.55	46.0^a	44.4
		R134a/PAG	p=550 kPa, t=24 ℃	989.0^*	1 042.4	28.00^a	11.81	31.5^a	28.0
		R134a/POE	p=550 kPa, t=24 ℃	1008.0^b	1 044.7	21.00^a	11.37	46.0^a	41.8
2	Zoellick等^[16]	R410A/POE 32	t_sat=12 ℃, t=27 ℃	1 019.3	1 028.3	26.60	6.71	46.0^a	40.1
3	Budhiraja^[17]	R134a/AB32	t_sat=13 ℃, t=28 ℃	864.3	925.0	23.70	30.00	29.0	26.3
4	Ramakrishnan等^[18]	R134a/POE100	t_sat=13 ℃, t=28 ℃	970.7^b	1 003.6	17.50^b	16.27^b	46.0^*	42.5
5	Sethi等^[19]	R134a/POE32	t_sat=13 ℃, t=28 ℃	1 003.6^b	1 039.9	21.80^b	6.83^b	46.0^a	41.6