@incollection{, 8BB64694B6EB23F6A347A59654912057 , author={{AdeyanjuA.A.} and {Ekiti State University}}, journal={{Global Journal of Researches in Engineering}}, journal={{GJRE}}2249-45960975-586110.34257/gjre, address={Cambridge, United States}, publisher={Global Journals Organisation}13105764 } @book{b0, , title={{Handbook of Energy Efficiency and Renewable Energy}} , author={{ FKrieth } and { DYGoswami }} , year={2007} , publisher={CRC Press} } @book{b1, , title={{Plant Engineers and Managers Guide to Energy Conservation}} , author={{ AThumann } and { SCDunning }} , year={2008. 2008} , publisher={The Fairmont Press, Inc} , note={9th edition} } @book{b2, , title={{Energy Systems Engineering -Evaluation and Implementation}} , author={{ MFVanek } and { LDAlbright }} , year={2008} , publisher={The McGraw-Hill Companies, Inc} } @incollection{b3, , title={{Dynamic Response of a Packed Bed Thermal Storage Unit}} , author={{ JAClark } and { DEBeasley }} , journal={{Prog. Solar Energy}} , year={1982} , publisher={International Solar Energy Society} } @book{b4, , title={{Heat Storage and Thermal Transfer Aspects of the Dynamic Behavior of a Packed Bed. Paper Presented at the International Meeting on Solar Heating of Buildings and Water}} , author={{ JAClark } and { RINabozny }} , year={1977. September 1977} , address={Liege, Belgium} Univ. De Liege } @incollection{b5, , title={{Dynamic Response of A Packed Bed Thermal Storage System. A Model for Solar Air Heating}} , author={{ AESaez } and { BJMccoy }} , journal={{Solar Energy}} 29 3 } @incollection{b6, , title={{Thermal Characteristics of Homogeneous Packed Beds with Steady Fluid Flow}} , author={{ SKRao } and { RKSuri }} , journal={{Journal of Mechanical Engineering}} 50 1 , year={1969} } @incollection{b7, , title={{Pressure Drop and Heat Transfer Characteristics of Air-Rock Bed Thermal Storage System}} , author={{ PChandra } and { DHWillits }} , journal={{Solar Energy}} 6 27 , year={1981} } @incollection{b8, , title={{Economic Design of a Rock Bed Storage Device for Storing Solar Thermal Energy}} , author={{ C; PMChoudhury } and { HPChauhan } and { Garg }} , journal={{Journal of Solar Energy}} 55 , year={1995} } @book{b9, , title={{Solar Engineering of Thermal Processes}} , author={{ JADuffie } and { WABeckman }} , year={2006} , publisher={John Wiley} , address={New York} } @incollection{b10, , title={{Effect of Thermal Entrance Region on Turbulent Forced Convective Heat Transfer for an Isometrically Heated Rectangular Duct with Uniform Heat Flux}} , author={{ HTan } and { WW SCharters }} , journal={{Journal of Solar Energy}} 12 , year={1969} } @incollection{b11, , title={{Two Applications of a Numerical Approach of Heat-Transfer Process within Rock Beds}} , author={{ JCoutier } and { EFarber }} , journal={{Journal ofSolar Energy}} 29 6 , year={1982} }