Search Results - "Njoku, H.O."

Upper-limit solar photovoltaic power generation: Estimates for 2-axis tracking collectors in Nigeria by Njoku, H.O.

“…Energy generation by solar PV (photovoltaic) systems can be improved by incorporating tracking mechanisms, with the highest improvements resulting from 2-axis…”
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Typical performance reductions in pv modules subject to soiling in a tropical climate by Njoku, H.O., Ifediora, K.M., Ozor, P.A., Dzah, J.M.

“…Soiling severely hinders the ability of solar photovoltaic (PV) modules to absorb incident solar radiation, causing significant  deterioration of module…”
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Analysis of stratified thermal storage systems: An overview by Njoku, H. O., Ekechukwu, O. V., Onyegegbu, S. O.

“…The presence of stratification is well known to improve the performance of stratified thermal energy storage systems (STESS). The major energy and exergy…”
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Development of software codes and system architecture for optimum performance Trombe wall system in buildings using IoT devices by Oluah, Chukwumaobi K., Akinlabi, E.T., Njoku, H.O., Jen, T.C.

“…Trombe wall systems are passive solar structures used for space heating or cooling depending on the season of the year. Reviews in literature have shown that…”
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Comparison of energy, exergy and entropy generation-based criteria for evaluating stratified thermal store performances by Njoku, H.O., Ekechukwu, O.V., Onyegegbu, S.O.

“…•The effectiveness of three criteria for assessing the performance of SSTES are compared.•Energy-based θ¯, θ* and ηe, exergy-based ηx¯, and entropy…”
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Normalized charging exergy performance of stratified sensible thermal stores by Njoku, H.O., Ekechukwu, O.V., Onyegegbu, S.O.

“…•Charging SSTES performances are assessed with the normalized exergy efficiency η‾x.•η‾x compares SSTES with perfectly stratified and fully mixed stores based…”
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An evaluation of the microflora associated with fermented African oil bean (Pentaclethra macrophylla Bentham) seeds during ugba production by Isu, N.R. (Abia State Univ., Uturu (Nigeria). Coll. of Biological and Physical Sciences, School of Biological Sciences), Njoku, H.O

“…The microorganisms associated with fermented African oil bean (Pentaclethra macrophylla Bentham) seed during ugba production was studied. Only bacteria were…”
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Studies on the influence of temperature, relative humidity and microenvironment on the natural fermentation of African oil bean seeds to 'Ugba' by Isu, N.R. (Abia State Univ., Uturu, Abia State (Nigeria). School of Biological Sciences), Njoku, H.O

“…Studies on the enhancement of the traditional production of 'Ugba' (a protein-rich fermented food) from African oil bean seeds were undertaken by fermenting…”
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