{"doi":"10.1002/cjce.5450640523","title":"Prandtl number effect on combined free and forced laminar convection in the thermal entrance region of a horizontal rectangular channel","abstract":"<jats:title>Abstract</jats:title><jats:p>A numerical method employing an axial‐direction vorticity function and three velocity components is applied to study the Prandtl number effect on the combined free and forced laminar convection in the thermal entrance region of a horizontal square channel. The channel wall is heated with a uniform heat flux. Local Nusselt number variations are shown for Rayleigh numbers Ra = 10<jats:sup>4</jats:sup>, 3 × 10<jats:sup>4</jats:sup>, 6 × 10<jats:sup>4</jats:sup> and 10<jats:sup>5</jats:sup> with the Prandtl number as a parameter. It may be concluded that the large Prandtl number assumption is valid for Pr = 10 when Ra≤10<jats:sup>4</jats:sup> but for a larger Prandtl number when the Rayleigh number is higher.</jats:p>","journal":"The Canadian Journal of Chemical Engineering","year":1986,"id":24723,"datarank":0.4041087915484888,"base_score":1.6094379124341003,"endowment":1.6094379124341003,"self_citation_contribution":0.24141568686511508,"citation_network_contribution":0.1626931046833737,"self_endowment_contribution":0.24141568686511508,"citer_contribution":0.1626931046833737,"corpus_percentile":null,"corpus_rank":null,"citation_count":4,"citer_count":4,"citers_with_citation_signal":3,"citers_with_endowment":3,"datacite_reuse_total":0,"is_dataset":false,"is_dataset_confidence":null,"is_data_producer":false,"deposit_databanks":null,"is_oa":false,"file_count":0,"downloads":0,"has_version_chain":false,"published_date":null,"fair_score":null,"fair_percentile":null,"algorithm_id":"datarank_citation_only_1hop_v6","ranking_scope":"data_only","authors":[{"id":140980,"name":"G. J. Hwang","orcid":null,"position":1,"is_corresponding":false},{"id":147482,"name":"F. C. Chou","orcid":null,"position":0,"is_corresponding":false}],"reference_count":0,"raw_metadata":{"has_enrichment":true,"base_score":1.6094379124341003,"endowment":1.6094379124341003,"datacite_reuse_total":0,"file_count":0,"downloads":0,"views":0,"has_version_chain":false,"is_dataset":false,"is_oa":false,"pmid":"18998881","pmcid":null,"openalex_id":"https://openalex.org/W1997252599","authors":[],"funders":[],"total_grants":0,"fwci":2.1155,"citation_percentile":0.85377358,"influential_citations":0,"citation_trend":[],"oa_status":"closed","license":"http://onlinelibrary.wiley.com/termsAndConditions#vor","oa_locations":[{"url":"https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1002%2Fcjce.5450640523","host_type":"publisher"},{"url":"https://onlinelibrary.wiley.com/doi/pdf/10.1002/cjce.5450640523","host_type":"publisher"},{"url":"https://doi.org/10.1002/cjce.5450640523","host_type":"journal"}],"fields_of_study":["Fluid Dynamics and Turbulent Flows","Nanofluid Flow and Heat Transfer","Heat Transfer and Boiling Studies","Physics"],"mesh_terms":[],"keywords":["Prandtl number","Nusselt number","Rayleigh number","Magnetic Prandtl number","Turbulent Prandtl number","Laminar flow","Forced convection","Mechanics","Natural convection","Heat flux","Physics","Thermodynamics","Convection","Reynolds number","Heat transfer","Turbulence"],"sdg_mappings":[],"linked_datasets":[],"clinical_trials":[],"software_tools":[],"database_accessions":[],"source":"live","citation_network_status":"fetched"},"created_at":"2026-06-07T23:05:07.925765Z","pmid":null,"pmcid":null,"fwci":null,"citation_percentile":null,"influential_citations":0,"oa_status":null,"license":null,"views":0,"total_file_size_bytes":0,"version_count":0,"fair_f":null,"fair_a":null,"fair_i":null,"fair_r":null,"fair_zscore":null,"fair_rationale":null,"fair_model":null,"fair_agent_version":null,"fair_fulltext_source":null,"fair_has_llm":null,"fair_computed_at":null,"clinical_trials":[],"software_tools":[],"db_accessions":[],"linked_datasets":[],"topics":[]}