Results 111 to 120 of about 1,081 (308)

Characterization of a Hall Effect Thruster Using Thermal Imaging

, 2007
A Hall thruster uses ionized xenon as a propellant for space propulsion applications. The heat produced by thruster components and the xenon plasma transfers to space and the spacecraft, impacting thruster and spacecraft design, as well as thruster ...
Tomaszewski, James W.
core  

Synchronized Measurement of Plasma Characteristics In a Hall Effect Thruster

, 2016
Hall effect thrusters are a key propulsion technology for many satellite missions in low Earth orbit and beyond. A method of synchronized data collection was developed by combining high speed imaging data, emissive probe measurements of plasma potential,
Hargus, William A., Jr., Cunningham, David A., Hartsfield, Carl R., Liu, David, Farnell, Casey, David Liu, William A. Hargus, Carl Mullins, Casey Farnell, John D. Williams, Carl Hartsfield, David A. Cunningham, Williams, John D.   +12 more
core   +1 more source

Development and implementation of promising technologies in JSC EDB Fakel [PDF]

Космические аппараты и технологии
The enterprise is mastering a number of technologies for obtaining functional materials for monopropellant thruster and Hall-effect thruster. The article describes advances in the development of a catalyst for the decomposition of hydrazine with high ...
E. A. Bogdanova, I. Y. Ponomarev, A. V. Nasedkin   +2 more
doaj  

An Analysis of the Effect of Hall Thruster Plumes on Surface Charging of a Complex Spacecraft Structure

Applied Sciences
This article aims to conduct an in-depth investigation into the environmental impact of Hall thruster plumes on spacecraft surface charging. The non-uniform plasma plume generated by Hall thrusters may trigger charging and discharging effects, making the
Xin Zhang, Wenjing Wang, Chaopin Bai, Yueqiang Sun, Shichen Jiang, Zhihao Yang, Qiang Chen, Lichang Zhang, Liguo Zhang, Zhiliang Zhang, Ziting Wang, Shuai Zhang   +11 more
doaj   +1 more source

Driving Change Together: How Innovative Communication Powers Electrification in the Automotive Industry

Business Strategy and the Environment, EarlyView.
ABSTRACT This paper examines how organizations in the automotive sector respond to the internal communication challenges posed by the transition to electric vehicle production. Unlike typical organizational change, electrification is driven not only by market forces but also by sociopolitical and regulatory pressures to reduce carbon emissions and ...
Tobias Hein, Ruth Woodfield, Jeffrey Hughes   +2 more
wiley   +1 more source

Thermal Analysis of the 100-kW class X3 Hall Thruster

, 2017
Sean Reilly, NASA Jet Propulsion Laboratory (JPL), USARichard Hofer, NASA Jet Propulsion Laboratory (JPL), USAScott Hall, University of Michigan, USAICES102: Thermal Control for Planetary and Small Body Surface MissionsThe 47th International Conference ...
Hall, Scott, Reilly, Sean, Hofer, Richard   +2 more
core  

Plasma characterization of a Hall effect thruster for a negative ion source concept

, 2018
The characterization of the plasma generated by a Hall Effect thruster operating in Nitrogen and Hydrogen is presented. Measurements of the spatial profiles of the electron temperature and density of the plume have been obtained by scanning the region ...
Sartori, E., Taccogna, F., D. Aprile, V. Antoni, Aprile, D., Serianni, G., Zuin, M., G. Serianni, F. Taccogna, M. Fadone, Chitarin, G., Fassina, A., M. Zuin, Antoni, V., A. Fassina, Fadone, M., E. Martines, E. Sartori, Martines, E., G. Chitarin   +19 more
core   +1 more source

An Overview of DC-DC Power Converters for Electric Propulsion

Aerospace
Electric propulsion (EP) has become a pivotal technology in modern space exploration, enabling prolonged mission durations, increased payload capacity, and precise deep-space navigation through its superior thrust efficiency and low propellant ...
Minghai Dong, Hui Li, Shan Yin, Bin Tian, Sulan Yang, Yuhua Chen   +5 more
doaj   +1 more source

Integrating Products, Processes, and Sourcing for Eco‐Innovation

Business Strategy and the Environment, EarlyView.
ABSTRACT Eco‐innovation research has often examined regulatory or technological drivers but has paid limited attention to how long‐term organizational change shapes eco‐innovation in mature, resource‐intensive industries. This study addresses that gap by investigating how two leading Finnish pulp and paper firms integrated product, process, and ...
Misa Bakajic, Anand Nair, Markku Kuula
wiley   +1 more source

Integrated study on the comprehensive magnetic-field configuration performance in the 150 kW superconducting magnetoplasmadynamic thruster. [PDF]

Sci Rep, 2021
Zheng J, Liu H, Song Y, Zhou C, Li Y, Li M, Tang H, Wang G, Cong Y, Wang B, Wang Y, Wu P, Qu T, Zhu X, Zhu L, Liu F, Cheng Y, Zhao B.   +17 more
europepmc   +1 more source