Accession Number:

ADA257768

Title:

Prototype Instrumentation and Design Studies

Descriptive Note:

Scientific rept. no. 4,

Corporate Author:

AMPTEK INC BEDFORD MA

Report Date:

1991-10-25

Pagination or Media Count:

21.0

Abstract:

A flight prototype electrostatic analyzer ESA system has been constructed and is scheduled for a shuttle TSS-1 mission in July 1992. The sensor system consists of two ESAs using nested spherical section deflection plates. The detectors measure ions and electron fluxes over a 100 deg x 10 deg angular fan using 32 discrete energy steps ranging from 10 eV to 10 keV. The sensors are mounted on rotary tables which sweep their field of view. A microprocessor particle correlator system analyzes counts from the sensors to identify wave-particle interactions. Two space rated digital tape recorders record the data. A real time charging detection algorithm operates to display the potential difference between the ambient plasma and the shuttle structure.

Subject Categories:

  • Test Facilities, Equipment and Methods
  • Electricity and Magnetism
  • Unmanned Spacecraft

Distribution Statement:

APPROVED FOR PUBLIC RELEASE