Optimization-based investigations of a two-phase thermofluidic oscillator for low-grade heat conversion

Table 2 Nominal parameter values in NTP and NTP-TL models of the NIFTE

Parameter	Nominal value	Units	Parameter	Nominal value	Units
\(\hat {P}_{\text {th}}^{\text {max}}\)	1.37	–	A _tl	8.03×10⁷	\(\mathrm {kg\,m}^{-4}\,{s}^{-{3\over 2}}\)
K _th	3.30×10²	–	B _tl	4.31	\(\mathrm {s}^{1\over 2}\)
R _f	2.13×10⁶	kg m⁻⁴ s⁻¹	R _tl,0	3.15×10⁷	kg m⁻⁴ s⁻¹
R _l	4.08×10⁶	kg m⁻⁴ s⁻¹	R _tl,1	8.82×10⁶	kg m⁻⁴ s⁻¹
R _th	5.02×10⁸	kg m⁻⁴ s⁻¹	R _tl,2	1.72×10⁷	kg m⁻⁴ s⁻¹
L _d	1.80×10⁵	kg m⁻⁴	R _tl,3	3.83×10⁷	kg m⁻⁴ s⁻¹
L _f	4.74×10⁶	kg m⁻⁴	R _tl,4	2.81×10⁸	kg m⁻⁴ s⁻¹
L _l	1.27×10⁷	kg m⁻⁴	C _tl,1	8.61×10⁻¹⁰	m⁴ s² kg⁻¹
L _p	3.77×10⁵	kg m⁻⁴	C _tl,2	5.95×10⁻⁹	m⁴ s² kg⁻¹
C _ad	1.76×10⁻⁹	m⁴ s² kg⁻¹	C _tl,3	1.79×10⁻⁸	m⁴ s² kg⁻¹
C _d	7.35×10⁻⁸	m⁴ s² kg⁻¹	C _tl,4	2.66×10⁻⁸	m⁴ s² kg⁻¹
C _p	7.43×10⁻⁸	m⁴ s² kg⁻¹	P ^∘	1.013×10⁵	Pa
τ	5.00	s	U ^∘	8.00×10⁻⁴	m³ s⁻¹

Values of parameters not associated with thermal loss are in accordance with Ref. [25]; while those of parameters associated with thermal loss are estimated by fitting thermal loss impedance with isothermal boundary conditions using fourth-order RC circuits

ISSN: 2524-4175