Browsing School of Science and Computing (JA) by Author "John, Geoffrey"

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Experimental investigation of a finned pentaerythritol-based heat storage unit for solar cooking at 150-200 °C

NKhonjera, Lameck; Kuboth, Matthias; König-Haagen, Andreas; John, Geoffrey; King’ondu, Cecil K.; Brüggemann, Dieter; Bello-Ochende, Tunde (Elsevier, 2016)

An experimental study on the charging and discharging performance of a finned thermal energy storage unit (TESu) that utilizes pentaerythritol (PE) as phase change material (PCM) was conducted. It is known that fins enhance ...
Galactitol as phase change material for latent heat storage of solar cookers: Investigating thermal behavior in bulk cycling

John, Geoffrey; König-Haagen, Andreas; King’ondu, Cecil K.; Dieter Brüggemann, Dieter (2015-09)

Galactitol, in terms of its phase change enthalpy and temperature, is a promising phase change material (PCM) for medium temperature (150–200 °C) latent heat storage of solar cookers. This study aimed at determining the ...
A review of thermal energy storage designs, heat storage materials and cooking performance of solar cookers with heat storage

Nkhonjera, Lameck; Bello-Ochende, Tunde; John, Geoffrey; King’ondu, Cecil K. (Elsevier, 2016-11)

This paper discusses the thermal energy storage units, heat storage materials and cooking performance of solar cookers with heat storage surveyed in literature. It is revealed that rectangular and cylindrical containers ...

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