Condensation heat transfer in microgravity conditions

A Berto, M Azzolin, S Bortolin, M Miscevic, P Lavieille… - npj …, 2023 - nature.com
In the present paper, a thorough review of the experimental and numerical studies dealing
with filmwise and dropwise condensation under microgravity is reported, covering …

Experimental investigation on the flow condensation of R450A, R515B, and R1234ze (E) in a 7.0 mm OD micro-fin tube

A Diani, Y Liu, J Wen, L Rossetto - International Journal of Heat and Mass …, 2022 - Elsevier
The flow condensation of R1234ze (E), R450A, and R515B was conducted in a 6.14 mm
inner diameter micro-fin tube. The fin height is 0.18 mm and the fin number is 50. The helix …

Experimental investigation of liquid film thickness and heat transfer during condensation in microgravity

A Berto, M Azzolin, P Lavieille, A Glushchuk… - International Journal of …, 2022 - Elsevier
Considering the increasing complexity of future space missions and the growth of heat
fluxes to be removed in next generation satellites, thermal control systems will be asked to …

Heat transfer and pressure drop during refrigerants condensation in compact heat exchangers

M Kruzel, T Bohdal, M Sikora - International Journal of Heat and Mass …, 2020 - Elsevier
This paper consists of the analysis of research on refrigerant condensation in minichannels
and compact heat exchangers cooled with either water or air. An analysis of the state of …

Numerical investigation on the condensation of R134a, R1234ze (E) and R450A in mini-channels

Y Liu, J Wen, P Xu, M Khan, S Wang, J Tu - International Journal of …, 2021 - Elsevier
R450A is one of R134a substitutions owing to its low GWP and similar refrigeration
performance. The existing researches are mostly about its performance in refrigeration …

Effect of gas injection mass flow rates on the thermal behavior in a cryogenic fuel storage tank

Z Liu, Y Yang, Y Liu, Y Li - International Journal of Hydrogen Energy, 2022 - Elsevier
Large scale using of liquid hydrogen and liquid oxygen on energy engineering, chemical
engineering and petrochemical industries, bring a series of non-equilibrium thermal …

Thermodynamic performance on the pressurized discharge process from a cryogenic fuel storage tank

Z Liu, H Pan, Y Liu, Y Li - International Journal of Hydrogen Energy, 2022 - Elsevier
Due to excellent performance, cryogenic propellants, such as liquid hydrogen and liquid
oxygen, are widely used in aerospace engineering. However, low storage temperature and …

Dynamic variation of interface shape in a liquid oxygen tank under a sinusoidal sloshing excitation

Z Liu, Y Feng, J Yan, Y Li, L Chen - Ocean Engineering, 2020 - Elsevier
In this study, a numerical model is built to simulate the coupled process of fluid flow and
thermal physical performance in a cryogenic liquid oxygen storage tank. Both the external …

Thermodynamic characteristic in a cryogenic storage tank under an intermittent sloshing excitation

Z Liu, H Cai, Y Feng, Y Liu, Y Li - International Journal of Hydrogen Energy, 2020 - Elsevier
A numerical calculation model is developed to study the coupled thermal dynamic
performance in a cryogenic fuel tank under an intermittent sloshing excitation. Both external …

Optimization of helium consumption for feedback pressurization in liquid oxygen tanks

S Guo, M Xiao, F Xie, Y Ma, K Chen, R Zhuan… - International Journal of …, 2024 - Elsevier
In reusable launch vehicles, feedback pressurization is a promising type of pressurized
discharge to control the pressure in the propellant tank. In this study, a numerical model was …