{"id":{"repo_id":"greece","oai_identifier":"oai:10442/0640"},"canonical_url":"https://search.dev.ndltd.org/etd/greece/oai:10442/0640","repository":{"repo_id":"greece","name":"Greek National Archive of PhD Theses","base_url":"https://phdtheses.ekt.gr/eadd_oai/request"},"display":{"title":"ΜΕΛΕΤΗ ΤΟΥ ΟΡΙΑΚΟΥ ΣΤΡΩΜΑΤΟΣ ΣΥΜΠΙΕΣΤΟΥ ΡΕΥΣΤΟΥ ΜΕ ΕΦΑΡΜΟΓΗ ΜΑΓΝΗΤΙΚΟΥ ΠΕΔΙΟΥ ΚΑΙ ΕΓΧΥΣΗ ΞΕΝΟΥ ΡΕΥΣΤΟΥ","abstract":"THE EFFECTS OF APPLICATION OF A MAGNETIC FIELD AND INJECTION OF A LIGHT FOREIGNGAS (HYDROGEN) IN THE HYPERSONIC LAMINAR BOUNDARY LAYER OF RAREFIED AIR OVER AFLAT PLATE ARE STUDIED. THE VARIABILITY OF THE MIXTURE PROPERTIES WITH TEMPERATURE AND HYDROGEN CONCENTRATION IS TAKEN INTO ACCOUNT. SLIP BOUNDARY CONDITIONSARE PROVIDED TO SIMULATE DEPARTURE FROM THE CONTINUUM FLOW. A NUMERICAL MODEL IS DERIVED PREDICTING THE TEMPERATURE VELOCITY AND HYDROGEN CONCENTRATION PROFILES. IT IS SHOWN THAT THE PRESENCE OF A LIGHT GAS AND OF A MODERATE MAGNETIC FIELD CAN MARKEDLY REDUCE SKIN FRICTION AND HEAT TRANSFER AT THE PLATE.","abstract_html":"THE EFFECTS OF APPLICATION OF A MAGNETIC FIELD AND INJECTION OF A LIGHT FOREIGNGAS (HYDROGEN) IN THE HYPERSONIC LAMINAR BOUNDARY LAYER OF RAREFIED AIR OVER AFLAT PLATE ARE STUDIED. THE VARIABILITY OF THE MIXTURE PROPERTIES WITH TEMPERATURE AND HYDROGEN CONCENTRATION IS TAKEN INTO ACCOUNT. SLIP BOUNDARY CONDITIONSARE PROVIDED TO SIMULATE DEPARTURE FROM THE CONTINUUM FLOW. A NUMERICAL MODEL IS DERIVED PREDICTING THE TEMPERATURE VELOCITY AND HYDROGEN CONCENTRATION PROFILES. IT IS SHOWN THAT THE PRESENCE OF A LIGHT GAS AND OF A MODERATE MAGNETIC FIELD CAN MARKEDLY REDUCE SKIN FRICTION AND HEAT TRANSFER AT THE PLATE.","abstract_has_math":false,"creators":["Δασκαλάκης, Ιωάννης"],"institution":"Πανεπιστήμιο Πατρών","degree_name":null,"degree_level":null,"degree_discipline":null,"degree_department":null,"school":null,"contributors":[],"advisors":[],"committee_chairs":[],"committee_members":[],"year":1988,"date_issued":"1988","date_published":"1988","updated_at":"2026-07-24T02:25:24Z","subjects":["BINARY BOUNDARY LAYER","COMPRESSIBLE BOUNDARY LAYER","Fluid mechanics","INTECTION OF FOREIGN GAS","MAGENTOAERODYNAMICS","RAREFIED GAS DYNAMICS","SLIP FLOW","ΑΕΡΟΔΥΝΑΜΙΚΗ ΑΡΑΙΩΝ ΑΕΡΙΩΝ","ΔΥΑΔΙΚΟ ΟΡΙΑΚΟ ΣΤΡΩΜΑ","ΕΓΧΥΣΗ ΞΕΝΟΥ ΡΕΥΣΤΟΥ","ΜΑΓΝΗΤΟΑΕΡΟΔΥΝΑΜΙΚΗ","Μηχανική ρευστών","ΡΟΗ ΟΛΙΣΘΗΣΗΣ","ΣΥΜΠΙΕΣΤΟ ΟΡΙΑΚΟ ΣΤΡΩΜΑ","Φυσικές Επιστήμες","Natural Sciences","Μαθηματικά","Mathematics"],"languages":["gre"],"rights":[],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["10.12681/eadd/0640"],"render_values":[{"text":"10.12681/eadd/0640","href":"https://doi.org/10.12681/eadd/0640","code":true}]}]},"links":{"outbound_url":"http://hdl.handle.net/10442/hedi/0640","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:creator","label":"Author","values":["Δασκαλάκης, Ιωάννης"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["1988"]},{"key":"dc:publisher","label":"Institution","values":["Πανεπιστήμιο Πατρών","University of Patras"]},{"key":"dc:type","label":"Dc Type","values":["PhD Thesis"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["BINARY BOUNDARY LAYER","COMPRESSIBLE BOUNDARY LAYER","Fluid mechanics","INTECTION OF FOREIGN GAS","MAGENTOAERODYNAMICS","RAREFIED GAS DYNAMICS","SLIP FLOW","ΑΕΡΟΔΥΝΑΜΙΚΗ ΑΡΑΙΩΝ ΑΕΡΙΩΝ","ΔΥΑΔΙΚΟ ΟΡΙΑΚΟ ΣΤΡΩΜΑ","ΕΓΧΥΣΗ ΞΕΝΟΥ ΡΕΥΣΤΟΥ","ΜΑΓΝΗΤΟΑΕΡΟΔΥΝΑΜΙΚΗ","Μηχανική ρευστών","ΡΟΗ ΟΛΙΣΘΗΣΗΣ","ΣΥΜΠΙΕΣΤΟ ΟΡΙΑΚΟ ΣΤΡΩΜΑ","Φυσικές Επιστήμες","Natural Sciences","Μαθηματικά","Mathematics"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["gre"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["10.12681/eadd/0640","http://hdl.handle.net/10442/hedi/0640"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["THE EFFECTS OF APPLICATION OF A MAGNETIC FIELD AND INJECTION OF A LIGHT FOREIGNGAS (HYDROGEN) IN THE HYPERSONIC LAMINAR BOUNDARY LAYER OF RAREFIED AIR OVER AFLAT PLATE ARE STUDIED. THE VARIABILITY OF THE MIXTURE PROPERTIES WITH TEMPERATURE AND HYDROGEN CONCENTRATION IS TAKEN INTO ACCOUNT. SLIP BOUNDARY CONDITIONSARE PROVIDED TO SIMULATE DEPARTURE FROM THE CONTINUUM FLOW. A NUMERICAL MODEL IS DERIVED PREDICTING THE TEMPERATURE VELOCITY AND HYDROGEN CONCENTRATION PROFILES. IT IS SHOWN THAT THE PRESENCE OF A LIGHT GAS AND OF A MODERATE MAGNETIC FIELD CAN MARKEDLY REDUCE SKIN FRICTION AND HEAT TRANSFER AT THE PLATE.","ΜΕΛΕΤΩΝΤΑΙ ΟΙ ΕΠΙΔΡΑΣΕΙΣ ΤΗΣ ΕΦΑΡΜΟΓΗΣ ΜΑΓΝΗΤΙΚΟΥ ΠΕΔΙΟΥ ΚΑΙ ΤΗΣ ΕΓΧΥΣΗΣ ΞΕΝΟΥ ΕΛΑΦΡΟΥ ΑΕΡΙΟΥ (ΥΔΡΟΓΟΝΟΥ) ΠΑΝΩ ΣΤΟ ΟΡΙΑΚΟ ΣΤΡΩΜΑ ΕΠΙΠΕΔΗΣ ΠΛΑΚΑΣ ΣΕ ΥΨΗΛΗ ΥΠΕΡΗΧΗΤΙΚΗ ΣΤΡΩΤΗ ΡΟΗ ΑΡΑΙΟΥ ΑΕΡΑ. ΛΑΜΒΑΝΕΤΑΙ ΥΠΟΨΗ Η ΜΕΤΑΒΛΗΤΟΤΗΤΑ ΤΩΝ ΦΥΣΙΚΩΝ ΙΔΙΟΤΗΤΩΝ ΤΟΥ ΜΙΓΜΑΤΟΣ ΜΕ ΤΗ ΘΕΡΜΟΚΡΑΣΙΑ ΚΑΙ ΤΗ ΣΥΓΚΕΝΤΡΩΣΗ ΥΔΡΟΓΟΝΟΥ. ΣΥΝΟΡΙΑΚΕΣΣΥΝΘΗΚΕΣ ΟΛΙΣΘΗΣΕΩΣ ΠΡΟΣΟΜΟΙΩΝΟΥΝ ΤΗΝ ΑΠΟΚΛΙΣΗ ΤΩΝ ΣΥΝΘΗΚΩΝ ΡΟΗΣ ΑΠΟ ΤΗ ΣΥΝΕΧΗΡΟΗ. ΚΑΤΑΣΚΕΥΑΖΕΤΑΙ ΕΝΑ ΑΡΙΘΜΗΤΙΚΟ ΜΟΝΤΕΛΟ ΤΟ ΟΠΟΙΟ ΥΠΟΛΟΓΙΖΕΙ ΤΙΣ ΚΑΤΑΝΟΜΕΣ ΤΗΣ ΘΕΡΜΟΚΡΑΣΙΑΣ, ΤΑΧΥΤΗΤΑΣ ΚΑΙ ΣΥΓΚΕΝΤΡΩΣΗΣ. ΑΠΟΔΕΙΚΝΥΕΤΑΙ ΟΤΙ Η ΠΑΡΟΥΣΙΑ ΕΝΟΣ ΕΛΑΦΡΟΥ ΑΕΡΙΟΥ ΚΑΙ ΕΝΟΣ ΜΕΤΡΙΟΥ ΜΑΓΝΗΤΙΚΟΥ ΠΕΔΙΟΥ ΕΙΝΑΙ ΣΕ ΘΕΣΗ ΝΑ ΜΕΙΩΣΟΥΝ ΣΗΜΑΝΤΙΚΑ ΤΗΝ ΕΠΙΔΕΡΜΙΚΗ ΤΡΙΒΗ ΚΑΙ ΤΗ ΜΕΤΑΦΟΡΑ ΘΕΡΜΟΤΗΤΑΣ ΣΤΗΝ ΕΠΙΦΑΝΕΙΑ ΤΗΣ ΠΛΑΚΑΣ."]},{"key":"dc:title","label":"Title","values":["ΜΕΛΕΤΗ ΤΟΥ ΟΡΙΑΚΟΥ ΣΤΡΩΜΑΤΟΣ ΣΥΜΠΙΕΣΤΟΥ ΡΕΥΣΤΟΥ ΜΕ ΕΦΑΡΜΟΓΗ ΜΑΓΝΗΤΙΚΟΥ ΠΕΔΙΟΥ ΚΑΙ ΕΓΧΥΣΗ ΞΕΝΟΥ ΡΕΥΣΤΟΥ","STUDY OF THE BOUNDARY LAVER OF A COMPRESSIBLE FLUID WITH APPLICATION OF A MAGNETIC FIELD AND INTECTION OF A FOREIGN GAS"]}]}],"canonical_facts":{"dc:creator":["Δασκαλάκης, Ιωάννης"],"dc:date":["1988"],"dc:description":["THE EFFECTS OF APPLICATION OF A MAGNETIC FIELD AND INJECTION OF A LIGHT FOREIGNGAS (HYDROGEN) IN THE HYPERSONIC LAMINAR BOUNDARY LAYER OF RAREFIED AIR OVER AFLAT PLATE ARE STUDIED. THE VARIABILITY OF THE MIXTURE PROPERTIES WITH TEMPERATURE AND HYDROGEN CONCENTRATION IS TAKEN INTO ACCOUNT. SLIP BOUNDARY CONDITIONSARE PROVIDED TO SIMULATE DEPARTURE FROM THE CONTINUUM FLOW. A NUMERICAL MODEL IS DERIVED PREDICTING THE TEMPERATURE VELOCITY AND HYDROGEN CONCENTRATION PROFILES. IT IS SHOWN THAT THE PRESENCE OF A LIGHT GAS AND OF A MODERATE MAGNETIC FIELD CAN MARKEDLY REDUCE SKIN FRICTION AND HEAT TRANSFER AT THE PLATE.","ΜΕΛΕΤΩΝΤΑΙ ΟΙ ΕΠΙΔΡΑΣΕΙΣ ΤΗΣ ΕΦΑΡΜΟΓΗΣ ΜΑΓΝΗΤΙΚΟΥ ΠΕΔΙΟΥ ΚΑΙ ΤΗΣ ΕΓΧΥΣΗΣ ΞΕΝΟΥ ΕΛΑΦΡΟΥ ΑΕΡΙΟΥ (ΥΔΡΟΓΟΝΟΥ) ΠΑΝΩ ΣΤΟ ΟΡΙΑΚΟ ΣΤΡΩΜΑ ΕΠΙΠΕΔΗΣ ΠΛΑΚΑΣ ΣΕ ΥΨΗΛΗ ΥΠΕΡΗΧΗΤΙΚΗ ΣΤΡΩΤΗ ΡΟΗ ΑΡΑΙΟΥ ΑΕΡΑ. ΛΑΜΒΑΝΕΤΑΙ ΥΠΟΨΗ Η ΜΕΤΑΒΛΗΤΟΤΗΤΑ ΤΩΝ ΦΥΣΙΚΩΝ ΙΔΙΟΤΗΤΩΝ ΤΟΥ ΜΙΓΜΑΤΟΣ ΜΕ ΤΗ ΘΕΡΜΟΚΡΑΣΙΑ ΚΑΙ ΤΗ ΣΥΓΚΕΝΤΡΩΣΗ ΥΔΡΟΓΟΝΟΥ. ΣΥΝΟΡΙΑΚΕΣΣΥΝΘΗΚΕΣ ΟΛΙΣΘΗΣΕΩΣ ΠΡΟΣΟΜΟΙΩΝΟΥΝ ΤΗΝ ΑΠΟΚΛΙΣΗ ΤΩΝ ΣΥΝΘΗΚΩΝ ΡΟΗΣ ΑΠΟ ΤΗ ΣΥΝΕΧΗΡΟΗ. ΚΑΤΑΣΚΕΥΑΖΕΤΑΙ ΕΝΑ ΑΡΙΘΜΗΤΙΚΟ ΜΟΝΤΕΛΟ ΤΟ ΟΠΟΙΟ ΥΠΟΛΟΓΙΖΕΙ ΤΙΣ ΚΑΤΑΝΟΜΕΣ ΤΗΣ ΘΕΡΜΟΚΡΑΣΙΑΣ, ΤΑΧΥΤΗΤΑΣ ΚΑΙ ΣΥΓΚΕΝΤΡΩΣΗΣ. ΑΠΟΔΕΙΚΝΥΕΤΑΙ ΟΤΙ Η ΠΑΡΟΥΣΙΑ ΕΝΟΣ ΕΛΑΦΡΟΥ ΑΕΡΙΟΥ ΚΑΙ ΕΝΟΣ ΜΕΤΡΙΟΥ ΜΑΓΝΗΤΙΚΟΥ ΠΕΔΙΟΥ ΕΙΝΑΙ ΣΕ ΘΕΣΗ ΝΑ ΜΕΙΩΣΟΥΝ ΣΗΜΑΝΤΙΚΑ ΤΗΝ ΕΠΙΔΕΡΜΙΚΗ ΤΡΙΒΗ ΚΑΙ ΤΗ ΜΕΤΑΦΟΡΑ ΘΕΡΜΟΤΗΤΑΣ ΣΤΗΝ ΕΠΙΦΑΝΕΙΑ ΤΗΣ ΠΛΑΚΑΣ."],"dc:identifier":["10.12681/eadd/0640","http://hdl.handle.net/10442/hedi/0640"],"dc:language":["gre"],"dc:publisher":["Πανεπιστήμιο Πατρών","University of Patras"],"dc:subject":["BINARY BOUNDARY LAYER","COMPRESSIBLE BOUNDARY LAYER","Fluid mechanics","INTECTION OF FOREIGN GAS","MAGENTOAERODYNAMICS","RAREFIED GAS DYNAMICS","SLIP FLOW","ΑΕΡΟΔΥΝΑΜΙΚΗ ΑΡΑΙΩΝ ΑΕΡΙΩΝ","ΔΥΑΔΙΚΟ ΟΡΙΑΚΟ ΣΤΡΩΜΑ","ΕΓΧΥΣΗ ΞΕΝΟΥ ΡΕΥΣΤΟΥ","ΜΑΓΝΗΤΟΑΕΡΟΔΥΝΑΜΙΚΗ","Μηχανική ρευστών","ΡΟΗ ΟΛΙΣΘΗΣΗΣ","ΣΥΜΠΙΕΣΤΟ ΟΡΙΑΚΟ ΣΤΡΩΜΑ","Φυσικές Επιστήμες","Natural Sciences","Μαθηματικά","Mathematics"],"dc:title":["ΜΕΛΕΤΗ ΤΟΥ ΟΡΙΑΚΟΥ ΣΤΡΩΜΑΤΟΣ ΣΥΜΠΙΕΣΤΟΥ ΡΕΥΣΤΟΥ ΜΕ ΕΦΑΡΜΟΓΗ ΜΑΓΝΗΤΙΚΟΥ ΠΕΔΙΟΥ ΚΑΙ ΕΓΧΥΣΗ ΞΕΝΟΥ ΡΕΥΣΤΟΥ","STUDY OF THE BOUNDARY LAVER OF A COMPRESSIBLE FLUID WITH APPLICATION OF A MAGNETIC FIELD AND INTECTION OF A FOREIGN GAS"],"dc:type":["PhD Thesis"]},"updated_at":"2026-07-24T02:25:24Z"}