cusfbamboo.circuit

Classes and functions related to thermal circuit calculations.

References

• [1] - Rocket Propulsion Elements, 7th Edition

• [2] - Modelling ablative and regenerative cooling systems for an ethylene/ethane/nitrous oxide liquid fuel rocket engine, Elizabeth C. Browne, https://mountainscholar.org/bitstream/handle/10217/212046/Browne_colostate_0053N_16196.pdf?sequence=1&isAllowed=y

• [3] - A Simple Equation for Rapid Estimation of Rocket Nozzle Convective Heat Transfer Coefficients, Dr. R. Bartz, https://arc.aiaa.org/doi/pdf/10.2514/8.12572

• [4] - https://en.wikipedia.org/wiki/Nucleate_boiling

• [5] - https://en.wikipedia.org/wiki/Fin_(extended_surface)

• [6] - Welty, Fundamentals of Momentum, Heat and Mass Transfer, Fifth Edition

Functions

Q_fin_adiabatic(P, Ac, k, h, L, T_b, T_inf)	Get the heat transfer rate for a fin with an adiabatic tip (Reference [5])
dQ_dA_nucleate(mu_l, h_fg, rho_l, rho_v, …)	Get the heat flux due to nucleate boiling.
dQ_dA_nucleate_critical(h_fg, rho_v, sigma, …)	Get the critical heat flux due to nucleate boiling, i.e. the maximum heat transfer rate that is possible.
h_coolant_dittus_boelter(rho, V, D, mu, Pr, k)	Dittus-Boelter equation for convective heat transfer coefficient.
h_coolant_gnielinski(rho, V, D, mu, Pr, k, …)	Convective heat transfer coefficient for the coolant side, using Gnielinski’s correlation.
h_coolant_sieder_tate(rho, V, D, mu_bulk, …)	Sieder-Tate equation for convective heat transfer coefficient.
h_coolant_stable_film(k_vf, rho_vf, rho_v, …)	Convective heat transfer coefficient for the stable-film phase of boiling heat transfer [6].
h_gas_bartz(D, cp_inf, mu_inf, Pr_inf, …)	Bartz equation, using Equation (8-23) from page 312 of RPE 7th edition (Reference [1]).
h_gas_bartz_sigma(c_star, A_t, A, p_chamber, …)	Bartz heat transfer equation using the sigma correlation, from Reference [3].
h_gas_bartz_sigma_curve(c_star, A_t, A, …)	Bartz heat transfer equation using the sigma correlation, from Reference [3].

Classes

ThermalCircuit(T1, T2, R)

Class for solving thermal circuits.