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Improving the Hall Thruster Global Efficiency over a Wide Flow-Rate Range

期刊: JOURNAL OF PROPULSION AND POWER, 2021; 37 (4)

In this study, a 1.35 kW HEP-100X Hall thruster is used to explore effective methods for improving the global efficiency of a Hall thruster across a w......

Time Vector Marching Method for Analyzing Complex Periodic Unsteady Flows Within Turbomachinery

期刊: JOURNAL OF PROPULSION AND POWER, 2021; 37 (1)

The paper presents an efficient method for analyzing complex periodic unsteady flows within turbomachinery. The method transforms the original initial......

Aging of Solid Propellants Investigated by Electromechanical Impedance Technique

期刊: JOURNAL OF PROPULSION AND POWER, 2021; 37 (1)

Aging induced changes in the mechanical properties of solid propellant can lead to defects, such as cracks and grain-liner separations, which limit th......

Visual Experimental Study on Liquid-Nitrogen Cavitating Flow on NACA 66 Hydrofoil

期刊: JOURNAL OF PROPULSION AND POWER, 2020; 36 (1)

Cavitation is one of the main causes of failure in rocket engine cryopumps. Based on a visual experimental platform for liquid-nitrogen (LN2) cavitati......

Effect of Low-Frequency Oscillation on Plasma Focusing in Krypton Hall Thruster

期刊: JOURNAL OF PROPULSION AND POWER, 2020; 36 (1)

In this work, a krypton Hall thruster is used to study the influence of low-frequency oscillation on the focusing characteristics of the plasma beam. ......

Filtered Density Function Simulations of a Near-Limit Turbulent Lean Premixed Flame

期刊: JOURNAL OF PROPULSION AND POWER, 2020; 36 (3)

The predictive numerical simulation of near-limit turbulent premixed combustion, in which the turbulent intensity is high and the fuel/air mixture is ......

Study of Thermodynamic Cavitation Effects in an Inducer

期刊: JOURNAL OF PROPULSION AND POWER, 2020; 36 (3)

To investigate the effect of water temperature on the cavitating flow characteristics inside a rotating inducer, a series of experiments have been con......

Radioisotope Thermophotovoltaic Generator Design Methods and Performance Estimates for Space Missions

期刊: JOURNAL OF PROPULSION AND POWER, 2020; 36 (4)

This work provides the design methodology of a radioisotope thermophotovoltaic system (RTPV) using spectral control for space missions. The focus is o......

Simple Approach for Modeling Fan Systems with a Computational-Fluid-Dynamics-Based Body-Force Model

期刊: JOURNAL OF PROPULSION AND POWER, 2020; 36 (5)

This paper presents the use of a conventional computational-fluid-dynamics-based throughflow method to model the effects of a bypass fan in a propulsi......

Parallel Large-Eddy Simulation of Subsonic and Transonic Flows with Transition in Compressor Cascade

期刊: JOURNAL OF PROPULSION AND POWER, 2019; 35 (6)

Laminar-turbulent transition plays a critical role in the aerodynamic performance of compressors and is sensitive to flow conditions and external dist......

JIF:1.8

Experimental Investigation of CH4/Air Inverse Diffusion Flame Stabilization by Nonequilibrium Plasma

期刊: JOURNAL OF PROPULSION AND POWER, 2019; 35 (6)

A plasma injector is designed to improve the flame stabilization of a typical coaxial injector. Based on the plasma injector experimental system, the ......

JIF:1.8

Investigation of the Composition and Laminar Flame Speed of Pyrolysis Gases

期刊: JOURNAL OF PROPULSION AND POWER, 2019; 35 (6)

Supercritical thermal cracking experiments using n-dodecane (C12) and two hydrocarbon fuels (HF-I and HF-II) were conducted, and the compositions of t......

JIF:1.8

Stabilization of Premixed Swirl Flames Under Flow Pulsations Using Microsecond Pulsed Plasmas

期刊: JOURNAL OF PROPULSION AND POWER, 2019; 35 (1)

A repetitively pulsed plasma was used to stabilize a lean premixed turbulent swirl flame under flow pulsations with amplitudes ranging between 10 and ......

JIF:1.8

Thermoacoustic Instabilities in an Annular Rotating Detonation Combustor Under Off-Design Condition

期刊: JOURNAL OF PROPULSION AND POWER, 2019; 35 (1)

Experiments are performed to investigate the combustion features in a laboratory-scale hydrogen (H-2)/air annular rotating detonation combustor under ......

JIF:1.8

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