Effect of coolled approach length on heat transfer in regenerative water-cooled nozzle / Boulanouar Nadhir Rezgallah

Public ISBD Titre : Effect of coolled approach length on heat transfer in regenerative water-cooled nozzle Type de document : texte manuscrit Auteurs : Boulanouar Nadhir Rezgallah, Auteur ; Louanas Fernane, Auteur ; Khaled Bensayeh, Directeur de thèse Editeur : Laghouat : Université Amar Telidji - Département de génie mécanique Année de publication : 2022 Importance : 74 p. Format : 30 cm. Accompagnement : 1 disque optique numérique (CD-ROM) Note générale : Option : Energetic (Énergétique) Langues : Anglais Mots-clés : Coolled approach length  Heat transfer  Regenerative water-cooled nozzle Résumé : ever since the development of liquid rocket engine , there has been a need to predict the peak heat flux that affects the engine material and thus to control the wall thermal behavior of rocket engine . To prevent thermal failure , the engine is generally cooled by means of a coolant that flows in passages that line the hottest part of the engine ( i.e. , combustion chamber and nozzle wall ) . This is the fluid - cooling system . If the coolant is one of the propellants , once it passes through the cooling circuit , it can be injected into the combustion chamber or it can be dumped overboard . The former case is referred to as Regenerative cooling system while the latter as dump cooling system . In case of high - performance cryogenic rocket engine ( such as LO2 / hydrogen and LO2 / methane engines ) the coolant working pressure is supercritical and thus it behaves far from a liquid or a perfect gas . The fluid - cooling system ( often referred to regenerative cooling because of the limited application of the dump cooling ) of cryogenic rocket engines , is the technological background of this MASTER thesis . note de thèses : Mémoire de master en génie mécanique Effect of coolled approach length on heat transfer in regenerative water-cooled nozzle [texte manuscrit] / Boulanouar Nadhir Rezgallah, Auteur ; Louanas Fernane, Auteur ; Khaled Bensayeh, Directeur de thèse . - Laghouat : Université Amar Telidji - Département de génie mécanique, 2022 . - 74 p. ; 30 cm. + 1 disque optique numérique (CD-ROM). Option : Energetic (Énergétique) Langues : Anglais Mots-clés : Coolled approach length  Heat transfer  Regenerative water-cooled nozzle Résumé : ever since the development of liquid rocket engine , there has been a need to predict the peak heat flux that affects the engine material and thus to control the wall thermal behavior of rocket engine . To prevent thermal failure , the engine is generally cooled by means of a coolant that flows in passages that line the hottest part of the engine ( i.e. , combustion chamber and nozzle wall ) . This is the fluid - cooling system . If the coolant is one of the propellants , once it passes through the cooling circuit , it can be injected into the combustion chamber or it can be dumped overboard . The former case is referred to as Regenerative cooling system while the latter as dump cooling system . In case of high - performance cryogenic rocket engine ( such as LO2 / hydrogen and LO2 / methane engines ) the coolant working pressure is supercritical and thus it behaves far from a liquid or a perfect gas . The fluid - cooling system ( often referred to regenerative cooling because of the limited application of the dump cooling ) of cryogenic rocket engines , is the technological background of this MASTER thesis . note de thèses : Mémoire de master en génie mécanique

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