Search Results - "S. N. Nnamchi"

Simulation modeling for energy systems analysis: a critical review by Mundu, M. M., Nnamchi, S. N., Sempewo, J. I., Uti, Daniel Ejim

“…Introduction Energy system simulation modeling plays an important role in understanding, analyzing, optimizing, and guiding the change to sustainable energy…”
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Design and simulation of air-solar-finned reheating unit: An innovative design of a parabolic trough solar collector by Nnamchi, S. N., Nnamchi, O. A., Onuorah, M. O., Nkurunziza, K. O., Ismael, S. A.

“…Design and simulation of air-solar-finned reheating unit, an innovative design of a parabolic trough solar collector (PTSC) has been demonstrated in this work…”
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Experimental verification of suitability of insulation testing rig in determining thermophysical properties of insulating materials by Nnamchi, S. N., Nnamchi, O. A., S. Odebiyi, O., Edosa, O. O., Wanazusi, T.

“…Verification of suitability of insulation testing rig (ITR) in determining the thermophysical properties of insulating materials (IM) is strongly based on the…”
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Modelling, simulation, and measurement of solar power generation: New developments in design and operational models by Living, O., Nnamchi, S.N., Mundu, M.M., Ukagwu, K.J., Abdulkarim, A., Eze, V.H.U.

“…The discrepancy between the operating and design capacities of solar plants in eastern Uganda is alarming; about 35 % underperformance in solar power…”
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Coupled Heat and Mass Transfer in a Solar Grain Dryer by Oko, C. O. C., Nnamchi, S. N.

“…This paper presents the analysis of a coupled heat and mass transfer process in a fixed-bed solar grain dryer. Measurements of moisture concentration and air…”
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Modelling and simulation of wind flow: A gradient method of identifying windy region by Nnamchi, SN, Jagun, ZO, Nnamchi, OA, Mundu, MM, Onochie, U

“…This paper presents biharmonic modelling and simulations of surface wind flow, which identify windy locales through wind speed gradients. The bulk measured and…”
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Mathematical analysis of interconnected photovoltaic arrays under different shading conditions by Nnamchi, S.N., Oko, C.O.C., Kamen, F.L, Sanya, O.D.

“…A comprehensive mathematical analysis of interconnected photovoltaic arrays under different shading conditions (opacity) and patterns (column, row, diagonal…”
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Coupled modelling and simulation of power transmission lines: A systematic analysis of line losses by Living, O., Nnamchi, S.N., Mundu, M.M., Ukagwu, K.J., Abdulkarim, A.

“…•Space and time simulation of the transmission power potentials was achieved via coupled transmission model.•The space component of the coupled model made…”
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SIMULATION OF THE DRYING CHARACTERISTICS OF GROUND NEEM SEEDS IN A FLUIDISED BED by A. KUYE, C. O. C. OKO, S. N. NNAMCHI

“…The neem seed is a good source of neem oil as well as insecticides and pesticides. The oil and insecticides can be extracted by two consecutive leaching of…”
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Modelling and simulation of multi-coupled heat and mass transfer processes: A case study of solar biomass dryer by Nnamchi, O.A., Ndukwu, M.C., Nnamchi, S.N.

“…[Display omitted] This research aims to develop and simulate multi-coupled heat and mass transfer models for the solar-biomass drying process of agricultural…”
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Development of dynamic thermal input models for simulation of photovoltaic generators by Nnamchi, S. N., Sanya, O.D., Zaina, K., Gabriel, V.

“…Development of dynamic thermal input models for simulation of photovoltaic generators (PVG) is the main concern of this work. The dynamic thermal input models…”
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Extrinsic modeling and simulation of helio-photovoltaic system: a case of single diode model by Nnamchi, S. N., Mundu, M. M., Busingye, J. D., Ezenwankwo, J. U.

“…Simulation of helio-photovoltaic system is continuously undergoing revolution through diverse parameter modifications which closely mimic the experimental…”
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Design and Simulation of Air-Solar Preheating Unit: An Improved Design of a Flat Plate Solar Collector by S. N. Nnamchi, O. A. Nnamchi, E. O. Sangotayo, S. A. Ismael, O. K. Nkurunziza, V. Gabriel

“…The design of a flat-plate solar collector (FPSC) is accomplished by multiple input multiple output (MIMO) design technique. The design variables (absorber,…”
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Determination of the thermal conductivity and specific heat capacity of neem seeds by inverse problem method by Kuye, A.O., Oko, C.O.C., Nnamchi, S.N.

“…Determination of the thermal conductivity and the specific heat capacity of neem seeds (Azadirachta indica A. Juss) usingthe inverse method is the main subject…”
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