Author

Francis L. Djanna Koffi

Observed names: DJANNA KOFFI, Francis Lénine, Djanna Francis, Djanna Koffi Francis, Djanna Koffi, Francis, Lénine, Djanna, F., Djanna, Francis, F Djanna, F. Koffi, F.L. Djanna Koffi, Francis Djanna, Francis Djanna Koffi, Francis L. Djanna Koffi, Francis Lenine Djanna Koffi, Francis Lénine Djanna Koffi

Institution: University of Douala

Observed institutions: Centre National de la Recherche Scientifique, University of Douala, École Nationale Supérieure de Mécanique et d'Aérotechnique, Aix-Marseille Université, Institut Pprime, Université de Poitiers, Château Gombert, Institut Universitaire des Systèmes Thermiques Industriels

ORCID: 0000-0003-3400-3405

Observed ORCIDs: 0000-0003-3400-3405, 0000-0003-0561-8478

OpenAlex ID: A5066909665

Natural convection in an air-filled cavity: Experimental results at large Rayleigh numbers

2011 · Didier Saury, Nicolas Rouger, et al. · International Communications in Heat and Mass Transfer · 76

Forecasting Natural Gas: A Literature Survey

2018 · Jean Gaston Tamba, Salom Ndjakomo Essiane, et al. · International Journal of Energy Economics and Policy · 65

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The 21st August 2020 Flood in Douala (Cameroon): A Major Urban Flood Investigated with 2D HEC-RAS Modeling

2022 · Junior Yves-Audrey Iroume, Raphaël Onguéné, et al. · Water · 49

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Techno-economic investigation of an environmentally friendly small-scale solar tracker-based PV/wind/Battery hybrid system for off-grid rural electrification in the mount bamboutos, Cameroon

2023 · Gildas Fosso Tajouo, Pascalin Tiam Kapen, et al. · Energy Strategy Reviews · 44

Oil Products Consumption and Economic Growth in Cameroon Households: an Assessment Using Ardl Cointegration and Granger Causality Analysis

2020 · Flavian Emmanuel Sapnken, Jean Gaston Tamba, et al. · International Journal of Energy Economics and Policy · 17

Mixed convection flow in a horizontal rectangular channel subjected to a horizontal thermal gradient

2011 · F. Koffi, C. Abid, et al. · Heat and Mass Transfer · 14

Accurate and optimal control of a bidirectional DC-DC converter: A robust adaptive approach enhanced by particle swarm optimization

2025 · Julius Derghe Cham, Francis Lénine Djanna Koffi, et al. · e-Prime - Advances in Electrical Engineering Electronics and Energy · 11

Modeling and Forecasting Gasoline Consumption in Cameroon using Linear Regression Models

2018 · Flavian Emmanuel Sapnken, Jean Gaston Tamba, et al. · International Journal of Energy Economics and Policy · 11

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Robust adaptive sliding mode control of a bidirectional DC-DC converter feeding a resistive and CPL based on PSO

2024 · Julius Derghe Cham, Francis Lénine Djanna Koffi, et al. · International Journal of Power Electronics and Drive Systems/International Journal of Electrical and Computer Engineering · 9

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Experimental investigations in an air-filled differentially-heated cavity at large Rayleigh Numbers

2012 · P Belleoud, D Saury, et al. · Journal of Physics Conference Series · 8

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The variability of diesel demand in Cameroon

2017 · Jean G. Tamba, Jean L. Nsouandélé, et al. · Energy Sources Part B Economics Planning and Policy · 7

Carbon Dioxide Emissions from Thermal Power Plants in Cameroon: A Case Study in Dibamba Power Development Company

2013 · Jean Gaston Tamba, Francis Djanna Koffi, et al. · Low Carbon Economy · 7

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The variability of gasoline demand in Cameroon

2017 · Emmanuel Flavian Sapnken, Jean Gaston Tamba, et al. · Energy Sources Part B Economics Planning and Policy · 5

PSO-based adaptive sliding mode control of a bidirectional DC-DC converter with an improved reaching law

2025 · Julius Derghe Cham, Francis Lénine Djanna Koffi, et al. · International Journal of Power Electronics and Drive Systems/International Journal of Electrical and Computer Engineering · 4

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Assessment of Green House Gas Emissions from Thermal Technologies for Electricity Generation in Cameroon Using Life Cycle Analysis Method

2023 · Inoussah Moungnutou Mfetoum, Max Keller Ndame Ngangue, et al. · OALib · 4

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Analysis and improvement of the efficiency of NH3-NaSCN single effect absorption cooling system

2022 · Gilbert Roméo Hubert Ngock, Jean Gaston Tamba, et al. · Heliyon · 4

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Prototyping and characterisation of a biomass dryer for developing countries: case of Cameroon

2022 · Arsène Dieudonné Engola, Louis Monkam, et al. · International Journal of Ambient Energy · 4

A Trivariate Causality Test: A Case Study in Cameroon

2014 · Jean Gaston Tamba, Francis Djanna Koffi, et al. · Applied Mathematics · 3

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PSO‐Optimised Double Integral Sliding Mode Direct Power Control of a DAB Converter for Standalone PV Systems With Constant‐Voltage Source Characterisation

2026 · Julius Derghe Cham, Emmanuel Ejuh Che, et al. · IET Renewable Power Generation · 2

Robust adaptive integral sliding mode control of a half-bridge bidirectional DC-DC converter

2024 · Julius Derghe Cham, Francis Lénine Djanna Koffi, et al. · International Journal of Power Electronics and Drive Systems/International Journal of Electrical and Computer Engineering · 2

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Causality between residential electricity consumption and explanatory factors

2023 · Serge Guefano, Mokhtar Bozorg, et al. · Energy Strategy Reviews · 2

Sensibilité de la stratification thermique de l’air à des conditions aux limites radiatives et à des variations géométriques dans une cavité en convection naturelle à haut nombre de Rayleigh

2023 · Francis Djanna, Nicolas Rouger, et al. · Journal of Renewable Energies · 1

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Thermodynamic Analysis of the Performance of a Single-Effect Absorption Refrigeration System Using the Ammonia/Sodium Thiocyanate Couple

2020 · Roméo Gilbert Ngock, Jean Gaston Tamba, et al. · Open Journal of Energy Efficiency · 1

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Proposition of Multi-ANFIS Architecture Mounted in Series for the Multi-Parameters Prediction

2017 · Tjahe Agnès Virginie, E Mtopi Fotso Blaise, et al. · 1

Proposition of a MANFIS-PID Hybrid System for the Prediction of Several Interdependent Parameters