Review on power conversion unit of noble gas closed Brayton cycle for space and underwater applications

Z Yuan, Q Zheng, Y Jiang, B Jiang, M Luo - Applied Thermal Engineering, 2023 - Elsevier
The closed Brayton cycle (CBC) has become a promising solution for the high-energy
density power conversion unit in underwater and space applications. Differing from the …

Influence of non-ideal gas characteristics on working fluid properties and thermal cycle of space nuclear power generation system

C Xu, F Kong, D Yu, J Yu, MS Khan - Energy, 2021 - Elsevier
Abstract Space nuclear Closed Brayton Cycle (CBC) power generation system with Helium-
xenon gas (He–Xe) as a work fluid has attracted much attention with the development of …

Optimization of thermodynamic performance and mass evaluation for MW-class space nuclear reactor coupled with noble gas binary mixtures Brayton cycle

W Ma, P Ye, Y Gao, Y Hao, X Yang - Energy, 2024 - Elsevier
Abstract Space exploration technology is an important indicator of society's technological
level. A space reactor coupled with a Brayton cycle is preferable for megawatt-scale space …

Investigation of hydraulic resistance and heat transfer in the flow of HE-XE mixture with a small Prandtl number in a quasi-triangular pipe

MS Makarov, OV Vitovsky, VS Naumkin… - International Journal of …, 2022 - Elsevier
In this work, the process of heat transfer during the flow of gas mixtures (He-Xe) in a thin-
walled quasi-triangular pipe is considered experimentally and numerically. The pipe cross …

Performance evaluation on radial turbines with potential working fluids for space closed Brayton cycle

Z Yuan, Q Zheng, G Yue, Y Jiang - Energy Conversion and Management, 2021 - Elsevier
The performance of radial turbines with the He-Xe mixtures, helium, argon and air are
examined in this paper. The published approach pertaining to Chapman-Enskog kinetic …

Dynamic Characteristics Analysis for a Novel Double-Rotor He-Xe Closed-Brayton-Cycle Space Nuclear Power Generation System

K Cheng, J Li, J Yu, J Qin, W Jing - Energies, 2023 - mdpi.com
The growing demand for electricity in long-duration space missions has become a pressing
concern. The space nuclear closed-Brayton-cycle (CBC) power generation system offers …

Effect of helium xenon as working fluid on centrifugal compressor of power conversion unit of closed Brayton cycle power plant

A Malik, Q Zheng, SR Qureshi, AA Zaidi… - International Journal of …, 2021 - Elsevier
Closed Brayton cycle (CBC) having single-shaft, centrifugal type compressor is considered
as an efficient energy-conversion option associated for gas-cooled reactor (GCR) heat …

Analysis of particle shape effect on the discharging of non-spherical particles in HTR-10 reactor core

X Cui, N Gui, X Yang, J Tu, S Jiang - Nuclear Engineering and Design, 2021 - Elsevier
The discharge flow characteristics of particles are crucial in many industrial applications,
and the shape of particle is an important influencing factor to the particle flow behavior. In …

Experimental study of heat transfer during the flow of a gas coolant in a heated quasi-triangular channel

OV Vitovsky - International Journal of Heat and Mass Transfer, 2022 - Elsevier
The paper considers experimentally the process of heat transfer during the flow of gas
mixtures in a heated thin-walled quasi-triangular tube. The cross-section of the tube …

Study on inherent mechanism between thermodynamic performance and mass evaluation of MW-class nuclear powered spacecraft

W Ma, P Ye, Y Gao, X Yang - Thermal Science and Engineering Progress, 2024 - Elsevier
Nuclear powered spacecraft (NPS) with multiple Brayton loops (NPS-MBL) exhibit high
efficiency, compact size, low weight, and operational stability, making them promising …