separative work unit


Also found in: Acronyms.

separative work unit

[′sep·rəd·iv ′wərk ‚yü·nət]
(nuclear physics)
A fundamental measure of work required to separate a quantity of isotopic mixture into two component parts, one having a higher percentage of concentration of the desired isotope and one having a lower percentage.
References in periodicals archive ?
Central to calculations about centrifuges is their efficiency, usually measured in terms of separative work units (SWUs), which relate to both the amount of material processed and the degree of enrichment reached.
2 million in 2011 compared to 2010, reflecting lower sales volume and higher costs for separative work units (SWU) and uranium sold and the effect of pension plan and postretirement benefit plan curtailment charges related to the conclusion of contract services work at the former Portsmouth Gaseous Diffusion Plant (GDP).
USEC will purchase the separative work units (SWU) contained in the LEU and deliver natural uranium to TENEX for the LEU's uranium component.
Gross profit declined due to lower volume of separative work units (SWU) sold, higher unit costs for SWU and uranium, and lower average uranium selling price.
The financial results for the quarter and nine-month period reflect a decrease in the volume of separative work units (SWU) sold and a significant increase in uranium sales volume compared to the same periods of 2009 due to the variability of nuclear utility customer orders.
The financial results for the quarter ended March 31, 2010 reflect a 41 percent lower volume of separative work units (SWU) sold compared to the same quarter of 2009 due to the timing of nuclear utility customer orders.
Salehi downplayed the 10-year-long limitations on Iran's nuclear activities based on July 14 nuclear agreement between Tehran and the world powers, and said during this period the country will build more advanced centrifuges, will commercialize them and will run activities in Natanz nuclear enrichment facilities to reach the 190,000 Separative Work Units (SWU) and 1,000,000 SWU in due time.
Second quarter financial results reflect substantially higher sales volume of separative work units (SWU) compared to the same quarter in 2008 at higher average prices billed to customers.