A Ventilated Thermal-Insulation Structure for High-Temperature Marine Power Plants

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Abstract
This paper presents a method of design for a ventilated thermal-insulation structure suitable for high-temperature marine power plants. Such a structure is of substantially smaller thickness than the conventional type when designed for the same heat leak to the machinery space. This reduction, however, is obtained at the expense of increased heat leak from the thermodynamic working substance. Nevertheless, the cost in terms of plant fuel consumption may not be excessive. The ventilating air, which carries away the greater portion of the energy, is shown to have moderate requirements of flow rate, number of ducts, and blower power. The conclusions of the analysis are supported by some preliminary test results.

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