Zobrazeno 1 - 10
of 20
pro vyhledávání: '"Joseph R. Wetch"'
Publikováno v:
Proceedings of the 25th Intersociety Energy Conversion Engineering Conference.
An innovative pumped loop concept for 600 K space power system radiators utilizing direct contact heat transfer, which facilitates repeated startup/shutdown of the power system without complex and time-consuming coolant thawing during power startup,
Autor:
Edward J. Britt, Joseph R. Wetch, Valeri Petrosov, See‐pok Wong, Raymond Lin, Anatoli Koroteev, Kevin McCracken
Publikováno v:
AIP Conference Proceedings.
An improved design of the Hall type stationary plasma thruster has been tested in 1994. The test results are presented. The test measures performance, EMI and beam divergence of two models of thrusters from the Russian Keldysh Scientific‐Research I
Autor:
Edward J. Britt, Oleg L. Izhvanov, Stanislav A. Eremin, A. S. Gontar, Hyop S. Rhee, John K. Koester, Valentin S. Kolesov, Joseph R. Wetch, Valeri I. Vybyvanets, Yuri V. Nikolaev, Nikolai V. Lapochkin, Korobov Artur, Nikolai N. Ponomarev‐Stepnoi
Publikováno v:
AIP Conference Proceedings.
The results of calculation and design developments of a single‐cell thermionic fuel element (TFE) for the thermionic nuclear power system (NPS) ‘‘Space‐R’’ of 40 kW power are given in this paper. Calculation characteristics of the TFE: th
Autor:
Ehud Greenspan, Edward F. Watkins, Jonathan Karni, Norman G. Gunther, Hyop S. Rhee, Joseph R. Wetch, Mohamed S. El-Genk, Mark D. Hoover
Publikováno v:
AIP Conference Proceedings.
The shield optimization code SWAN was modified to calculate material Weight Effectiveness Functions (WEFs) and Equal Weight Replacement Effectiveness Functions (EWREFs). These WEFs and EWREFs provide a very useful guide to the search of design modifi
Autor:
Anatoly Koroteev, Valery A. Petrosov, Anatoly L. Vasin, Vladimir L. Baranov, Serdei G. Rebrov, Joseph R. Wetch, See-pok Wong, Mohamed S. El-Genk, Mark D. Hoover
Publikováno v:
AIP Conference Proceedings.
The electric thruster T‐160 is related to a low thrust rocket engines group which can be used on spacecrafts for their orbit correction and parameters change. T‐160 flight tests are supposed to be conducted together with the TOPAZ‐2 Nuclear Pow
Autor:
Joseph R. Wetch
Publikováno v:
AIP Conference Proceedings.
This paper summarizes some of the major safety issues and proposed and developed solutions to real and perceived problems. Safety of the public, operating personnel, facilities and the environment has always been a driving concern of the public, gove
Autor:
Norman G. Gunther, Hyop S. Rhee, Edward J. Britt, Cinian M. Zheng, Joseph R. Wetch, Glen L. Schmidt
Publikováno v:
SAE Technical Paper Series.
Autor:
Cinian Zheng, Norman G. Gunther, Edward J. Britt, Robert R. Hobson, Joseph R. Wetch, Glen L. Schmidt, Hyop S. Rhee
Publikováno v:
AIP Conference Proceedings.
The SPACE‐R is a compact 2 tonne space reactor that can fit into the nose cone of a Delta II, Atlas Centaur or larger booster system. It is capable of producing 40 kWe for 10 years in space environments. The system is launched without radioactivity
Publikováno v:
Conference on Advanced SEI Technologies.
Electric propulsion has matured to replace chemical propulsion for station keeping on virtually all major Soviet satellites. The Closed Drift Hall-type thruster was developed at the Research Institute for Thermal Processes, "NIITP", the Kurchatov Ins
Publikováno v:
AIP Conference Proceedings.
A high performance closed‐drift Hall‐type thruster has been developed and tested at the Research Institute for Thermal Processes (NIITP) in Moscow, Russia. More than 20 and less than 100 of these thruster units have been placed into orbital opera