An overview of gravity effects on flow boiling instabilities

Z Ma, X Fang - Progress in Aerospace Sciences, 2022 - Elsevier
Modern flight vehicles have increasing demands for flow boiling to support onboard thermal
management and power generating systems, and many studies on gravity effects on flow …

Experimental investigation on flow characteristics of pressure drop oscillations in a closed natural circulation loop

K Cheng, T Meng, C Tian, H Yuan, S Tan - International Journal of Heat …, 2018 - Elsevier
An experimental investigation was conducted in a closed natural circulation (NC) loop to
study the characteristics of pressure drop oscillations (PDO) under low pressure condition. A …

Analysis of natural circulation behaviors and flow instabilities of passive containment cooling system design for advanced PWR using MARS-KS code

KM Kim, DH Lee, IC Bang - International Journal of Heat and Mass Transfer, 2020 - Elsevier
Several design basis accidents such as loss of coolant accident (LOCA) and main steam
line break (MSLB) of pressurized light water reactor could threaten the integrity of …

Effect of inlet throttling on thermohydraulic instability in a large scale water-based RCCS: An experimental study

Q Lv, M Jasica, D Lisowski, ZJ Ooi, R Hu… - Nuclear Engineering and …, 2024 - Elsevier
The objective of the present experimental study is to investigate the effect of inlet throttling
on the thermohydraulic stability of a large scale water-based Reactor Cavity Cooling System …

Study on the density wave instability in natural circulation system under rolling conditions

H Gong, X Zhang, N Gui, Y Huang… - … Journal of Energy …, 2023 - Wiley Online Library
In the ocean environment, the thermal fluid system installed on the ship moves with the
waves. This unsteady transient motion imposes additional body forces on the liquid …

Simulation investigation on flashing-induced instabilities in a natural circulation system

Y Zhao, M Peng, Y Xu, G **a - Annals of Nuclear Energy, 2020 - Elsevier
Flashing-driven natural circulation techniques have been widespreadly applied in advanced
reactor designs due to its prominent advantages in the aspects of high reliability, cost …

Effects of direct contact condensation on flow characteristics of natural circulation system at low pressure

J Sun, X Ran, Z Zhang, X Cao, G Fan… - Frontiers in Energy …, 2020 - frontiersin.org
Direct contact condensation (DCC) as a complex thermal-hydraulic phenomenon has been
the subject of a great deal of research under forced flow conditions. It is an interesting …

Book Chapter: Small Modular Reactors

PK Bhowmik, J Schlegel - 2023 - osti.gov
Small Modular Reactors (SMRs) have been a very promising development in nuclear power
over the last two decades. SMRs are defined as nuclear reactors with a power output of less …

Linear stability analysis of flashing instability based on the homogeneous equilibrium model

T Zhang, CS Brooks - Nuclear Engineering and Design, 2021 - Elsevier
Flashing instability is a two-phase flow instability widely reported in low-pressure natural
circulation that induces undesirable flow oscillations with large magnitudes challenging the …

Simulation study on the transient operating characteristics of equal height difference passive containment cooling system

Q Zhao, Y Tian, K Hui, X Wang, D Chong… - Annals of Nuclear Energy, 2024 - Elsevier
The passive containment cooling system is crucial important for marine nuclear power
platform. This paper focuses on the transient characteristic of passive containment cooling …