Energy and exergy analysis of a latent heat storage system with phase change material for a solar collector A Koca, HF Oztop, T Koyun, Y Varol Renewable Energy 33 (4), 567-574, 2008 | 282 | 2008 |

Estimation of solar radiation using artificial neural networks with different input parameters for Mediterranean region of Anatolia in Turkey A Koca, HF Oztop, Y Varol, GO Koca Expert Systems with Applications 38 (7), 8756-8762, 2011 | 172 | 2011 |

Natural convection in a triangle enclosure with flush mounted heater on the wall Y Varol, A Koca, HF Oztop International Communications in Heat and Mass Transfer 33 (8), 951-958, 2006 | 125 | 2006 |

The effects of Prandtl number on natural convection in triangular enclosures with localized heating from below A Koca, HF Oztop, Y Varol International communications in heat and mass transfer 34 (4), 511-519, 2007 | 115 | 2007 |

Prediction of flow fields and temperature distributions due to natural convection in a triangular enclosure using Adaptive-Network-Based Fuzzy Inference System (ANFIS) and … Y Varol, E Avci, A Koca, HF Oztop International Communications in Heat and Mass Transfer 34 (7), 887-896, 2007 | 101 | 2007 |

Forecasting of thermal energy storage performance of Phase Change Material in a solar collector using soft computing techniques Y Varol, A Koca, HF Oztop, E Avci Expert Systems with Applications 37 (4), 2724-2732, 2010 | 98 | 2010 |

Entropy production due to free convection in partially heated isosceles triangular enclosures Y Varol, HF Oztop, A Koca Applied Thermal Engineering 28 (11-12), 1502-1513, 2008 | 92 | 2008 |

Entropy generation due to conjugate natural convection in enclosures bounded by vertical solid walls with different thicknesses Y Varol, HF Oztop, A Koca International Communications in Heat and Mass Transfer 35 (5), 648-656, 2008 | 87 | 2008 |

Natural convection and fluid flow in inclined enclosure with a corner heater Y Varol, HF Oztop, A Koca, F Ozgen Applied Thermal Engineering 29 (2-3), 340-350, 2009 | 79 | 2009 |

Numerical analysis of conjugate heat transfer in a partially open square cavity with a vertical heat source A Koca International Communications in Heat and Mass Transfer 35 (10), 1385-1395, 2008 | 53 | 2008 |

Natural convection in a vertically divided square enclosure by a solid partition into air and water regions HF Oztop, Y Varol, A Koca International Journal of Heat and Mass Transfer 52 (25-26), 5909-5921, 2009 | 50 | 2009 |

Laminar natural convection heat transfer in a shed roof with or without eave for summer season HF Oztop, Y Varol, A Koca Applied Thermal Engineering 27 (13), 2252-2265, 2007 | 41 | 2007 |

Experimental and numerical analysis of buoyancy-induced flow in inclined triangular enclosures HF Oztop, Y Varol, A Koca, M Firat International communications in heat and mass transfer 39 (8), 1237-1244, 2012 | 39 | 2012 |

Effects of inclination angle on conduction—natural convection in divided enclosures filled with different fluids Y Varol, HF Oztop, A Koca International communications in heat and mass transfer 37 (2), 182-191, 2010 | 39 | 2010 |

CFD modeling of heat transfer and fluid flow inside a pent-roof type combustion chamber using dynamic model Y Varol, HF Oztop, M Firat, A Koca International Communications in Heat and Mass Transfer 37 (9), 1366-1375, 2010 | 38 | 2010 |

Natural convection heat transfer in Gambrel roofs Y Varol, A Koca, HF Oztop Building and Environment 42 (3), 1291-1297, 2007 | 38 | 2007 |

Experimental and numerical study on laminar natural convection in a cavity heated from bottom due to an inclined fin Y Varol, HF Öztop, F Özgen, A Koca Heat and Mass Transfer 48 (1), 61-70, 2012 | 36 | 2012 |

Analysis of adaptive-network-based fuzzy inference system (ANFIS) to estimate buoyancy-induced flow field in partially heated triangular enclosures Y Varol, A Koca, HF Oztop, E Avci Expert Systems with Applications 35 (4), 1989-1997, 2008 | 35 | 2008 |

Experimental investigation of cooling of heated circular disc using inclined circular jet HF Oztop, Y Varol, A Koca, M Firat, B Turan, I Metin International communications in heat and mass transfer 38 (7), 990-1001, 2011 | 32 | 2011 |

Forecasting of entropy production due to buoyant convection using support vector machines (SVM) in a partially cooled square cross-sectional room Y Varol, HF Oztop, A Koca, E Avci Expert Systems with Applications 36 (3), 5813-5821, 2009 | 21 | 2009 |