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Title: Opportunities for waste heat recovery at contingency bases
Authors: Decker, Charles T.
Johannes, Andrew C.
Masters, Benjamin C.
Lux, Scott M.
Page, Martin A.
Chu, Dahtzen.
Smith, Kyle C.
Wolf, Ki T.
Roege, Paul.
Alvey, Jedediah B.
Keywords: Energy consumption
Electric generators
Heat recovery
Sustainable engineering
Military bases
Publisher: Construction Engineering Research Laboratory (U.S.)
Engineer Research and Development Center (U.S.)
Series/Report no.: ERDC/CERL;TR-16-30
Abstract: Abstract: The energy requirements of contingency bases (CBs) involved in U.S. military operations on every continent are met almost exclusively with the use of diesel generators, which are relatively inefficient both in terms of fuel consumption and the large amounts of waste energy generated during their operation. Tactical generators are currently loaded only to 30 to 40% capacity, due in large part to the sizing of generators to cover large electrical loads like electric heating of space and water. This work was under-taken to estimate the amount of available waste heat that could be captured and reused to heat (or cool) buildings and provide hot water while reducing generator fuel demand. It was found that the use of otherwise wasted thermal by-product of the diesel generator for space and water heating allows loads to be consolidated so the numbers and sizes of generators can be dramatically reduced. The use of cogeneration can lead to total fuel savings of nearly 20%. Waste heat from five 60 kW generators can supply water heating for an entire 300 PAX contingency base, and in austere conditions, one 30 kW generator can provide up to 1.75 gpm of instantaneous hot water.
Appears in Collections:Technical Report

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