The demand for better hygiene has increased the need for developing more effective sanitation systems and
facilities for the safe disposal of human urine and faeces. Non-Sewered Sanitary systems are considered to be one
of the promising alternative solutions to the existing flush toilet system. An example of these systems is the Nano
Membrane Toilet (NMT) system being developed at Cranfield University, which targets the safe disposal of
human waste while generating power and recovering water. The NMT will generate energy from the conversion
of human waste with the use of a micro-combustor; the heat produced will power a Stirling engine connected to
a linear alternator to generate electricity. This study presents a numerical investigation of the thermodynamic
analysis and operational characteristics of a quasi steady state model of the gamma type Stirling engine integrated
into a combustor in the back end of the NMT system. The effects of the working gas, at different
temperatures, on the Stirling engine performance are also presented. The results show that with the heater
temperature of 390 °C from the heat supply via conduction at 820W from the flue gas, the Stirling engine
generates a daily power output of 27 Wh/h at a frequency of 23.85 Hz

مقاله ISI انگلیسی اصلی
سال انتشار:2018
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تعداد صفحات فایل ISI انگلیسی اصلی: 13 صفحه