Influence of Gas-Liquid Interface on Temperature Wave of Pulsating Heat Pipe

Table 1

Physical property of input temperature wave under different working conditions.

Period	(W/m. °C)	(W/m. °C)	(g/m^3)	(J/kg·K)	(g/m^3)	(J/kg·K)	Curvature (m^−1)	Thermal diffusion coefficient of gas (m^2/s)	Thermal diffusion coefficient of liquid (m^2/s)	Case	λΔ	AΔliquid (K)	AΔgas (K)	Positive heat flux peak (W/m^2)	Negative heat flux peak (W/m^2)
100	2.42	6	1	418	200	1006.43	0.2	1.20227E − 05	0.014354067	a	2.479339	−76.9401	−118.4243	537262	−3421
100	0.0242	0.6	1000	4182	1.225	1006.43	0.2	1.96289E − 05	1.43472E − 07	b	24.79339	−54.1293	−136.5001	53319	−6358
100	0.0242	0.06	100	4182	1.225	1006.43	0.2	1.96289E − 05	1.43472E − 07	c	2.479339	−77.3138	−118.6228	—	—
100	0.0242	0.06	1000	4182	1.225	1006.43	0.2	1.96289E − 05	1.43472E − 07	d	2.479339	−77.3147	−118.6212	—	—
5	0.0242	0.6	1000	4182	1.225	1006.43	0.2	4.72384E − 05	1.43472E − 07	e	24.79339	−69.4986	−140.8545	207836	−145931
100	242	0.6	1000	4182	1.225	1006.43	0.2	0.196288883	1.43472E − 07	f	0.002479	−181.6578	−44.4312	—	—
100	0.242	0.6	998.2	4182	1.225	1006.43	0.2	0.000196289	1.43472E − 07	g	2.479339	−77.2963	−118.6027	—	—
100	0.242	0.6	1000	4182	1.225	1006.43	0.2	0.000196289	1.43472E − 07	h	2.479339	−77.2933	−118.5876	59011	−5426
100	2.42	0.6	1000	4182	1.225	1006.43	0.2	0.000196289	1.43472E − 07	i	0.247934	−142.0084	−69.1189	76499	−4367
100	0.0242	0.6	1000	4182	1.225	1006.43	0.2	4.72384E − 06	1.43472E − 07	i	24.79339	−100.7039	−100.0572	66164	−6202
15	0.0242	0.6	1000	4182	1.225	1006.43	0.2	4.72384E − 06	1.43472E − 07	k	24.79339	−61.4455	−141.9224	122696	−74977
5	0.0242	0.6	1000	4182	1.225	1006.43	0.2	4.72384E − 06	1.43472E − 07	l	24.79339	−92.7734	−85.5599	—	—