W. A. Pakula
Papers
1
Total Citations
29
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1
About
W. A. Pakula is a leading figure in experimental space plasma physics, with a primary focus on spacecraft charging and plasma-wake interactions in low Earth orbit. Their most influential work stems from the Charging Hazards and Wake Studies (CHAWS) flight experiments, conducted aboard Space Shuttle missions STS-60 and STS-69. Pakula’s key contribution was the first detailed, in-situ measurement of high-voltage interactions within a plasma wake, where a negatively biased probe (0–5 kV) was deliberately placed. This research, published in a seminal 1997 paper with 29 citations, revealed critical, previously unobserved phenomena about how spacecraft surfaces can accumulate hazardous electrical charges in the tenuous ionospheric plasma. By characterizing the wake’s structure and its impact on high-voltage systems, Pakula’s work directly informed the design of safer, more reliable power systems for satellites and space stations. Their findings remain a cornerstone for understanding plasma sheaths and wake effects, providing essential data for engineers and scientists developing next-generation orbital platforms and deep-space probes.
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