The Liquid Droplet Radiator in Space: A Parametric Approach

by Gerald L. Buckner, US Air Force, United States,
Ronald F. Tuttle, US Air Force, United States,



Document Type: Proceeding Paper

Part of: Engineering, Construction, and Operations in Space

Abstract:

This study is a parametric investigation of the performance and operating characteristics of a cylindrical Liquid Droplet Radiator (LDR) for use in space. The LDR system mass per heat radiated was minimized as a function of the average droplet temperature at the collector. A new pump specific mass parameter defined as pump mass per liquid mass flow rate (kg/(kg/s)) was used in the total system mass calculation to develop a more physically meaningful pump specific mass term for use by design engineers.

Subject Headings: Space exploration | Pumps | Parameters (statistics) | Heat flow | Electric power | Waste management | Temperature effects

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