{"id":{"repo_id":"greece","oai_identifier":"oai:10442/0194"},"canonical_url":"https://search.dev.ndltd.org/etd/greece/oai:10442/0194","repository":{"repo_id":"greece","name":"Greek National Archive of PhD Theses","base_url":"https://phdtheses.ekt.gr/eadd_oai/request"},"display":{"title":"ΕΞΑΤΜΙΣΗ ΑΜΜΩΝΙΑΣ ΣΕ ΥΔΡΟΓΟΝΟ 25 BAR","abstract":"THE WORK ENTITLED \"EVAPORATION OF NH3 IN NH3/H2 ATMOSPHERE BY 25 BAR\", PRESENTS THE THERMODYNAMIC AND TRANSPORT PROPERTIES OF THE NH3/H2 GAS MIXTURE AS WELLAS THE EVAPORATION PROCESS OF NH3 IN NH3/H2 ATMOSPHERE THAT TAKES PLACE IN NEUTRAL GAS ABSORPTION REFRIGERATION UNITS. THE DATA OBTAINED ARE USED TO CALCULATE THE \"PSYCHROMETRIC PROBLEM\" AND THE EVAPORATION PROCESS WITHIN AN INSULATED TUBE. THE \"PSYCHROMETRIC PROBLEM\" DEALS WITH THE DETERMINATION OF THE MASS FRACTION OF THE NH3/H2 GAS MIXTURE FROM KNOWN \"DRY\" AND \"WET BULB\" TEMPERATURES FOR LEWIS NUMBERS NOT EQUAL TO ONE. THE RESULTS ARE IN GOOD AGREEMENT WITH SOME EXISTING EXPERIMENTAL DATA.","abstract_html":"THE WORK ENTITLED "EVAPORATION OF NH3 IN NH3/H2 ATMOSPHERE BY 25 BAR", PRESENTS THE THERMODYNAMIC AND TRANSPORT PROPERTIES OF THE NH3/H2 GAS MIXTURE AS WELLAS THE EVAPORATION PROCESS OF NH3 IN NH3/H2 ATMOSPHERE THAT TAKES PLACE IN NEUTRAL GAS ABSORPTION REFRIGERATION UNITS. THE DATA OBTAINED ARE USED TO CALCULATE THE "PSYCHROMETRIC PROBLEM" AND THE EVAPORATION PROCESS WITHIN AN INSULATED TUBE. THE "PSYCHROMETRIC PROBLEM" DEALS WITH THE DETERMINATION OF THE MASS FRACTION OF THE NH3/H2 GAS MIXTURE FROM KNOWN "DRY" AND "WET BULB" TEMPERATURES FOR LEWIS NUMBERS NOT EQUAL TO ONE. THE RESULTS ARE IN GOOD AGREEMENT WITH SOME EXISTING EXPERIMENTAL DATA.","abstract_has_math":false,"creators":["Stegou-Sagia, Athina","Στέγγου-Σαγιά, Αθηνά"],"institution":"National Technical University of Athens (NTUA)","degree_name":null,"degree_level":null,"degree_discipline":null,"degree_department":null,"school":null,"contributors":[],"advisors":[],"committee_chairs":[],"committee_members":[],"year":1986,"date_issued":"1986","date_published":"1986","updated_at":"2026-07-24T02:25:08Z","subjects":["Θερμοδυναμική","ΨΥΞΗ-ΚΛΙΜΑΤΙΣΜΟΣ","ΨΥΧΡΟΜΕΤΡΙΚΟ ΠΡΟΒΛΗΜΑ","PSYCHROMETRIC PROBLEM","Επιστήμες Μηχανικού και Τεχνολογία","Επιστήμη Μηχανολόγου Μηχανικού","Engineering and Technology","Mechanical Engineering"],"languages":["gre"],"rights":[],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["10.12681/eadd/0194"],"render_values":[{"text":"10.12681/eadd/0194","href":"https://doi.org/10.12681/eadd/0194","code":true}]}]},"links":{"outbound_url":"http://hdl.handle.net/10442/hedi/0194","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:creator","label":"Author","values":["Stegou-Sagia, Athina","Στέγγου-Σαγιά, Αθηνά"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["1986"]},{"key":"dc:publisher","label":"Institution","values":["National Technical University of Athens (NTUA)","Εθνικό Μετσόβιο Πολυτεχνείο (ΕΜΠ)"]},{"key":"dc:type","label":"Dc Type","values":["PhD Thesis"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Θερμοδυναμική","ΨΥΞΗ-ΚΛΙΜΑΤΙΣΜΟΣ","ΨΥΧΡΟΜΕΤΡΙΚΟ ΠΡΟΒΛΗΜΑ","PSYCHROMETRIC PROBLEM","Επιστήμες Μηχανικού και Τεχνολογία","Επιστήμη Μηχανολόγου Μηχανικού","Engineering and Technology","Mechanical Engineering"]}]},{"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/0194","http://hdl.handle.net/10442/hedi/0194"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["THE WORK ENTITLED \"EVAPORATION OF NH3 IN NH3/H2 ATMOSPHERE BY 25 BAR\", PRESENTS THE THERMODYNAMIC AND TRANSPORT PROPERTIES OF THE NH3/H2 GAS MIXTURE AS WELLAS THE EVAPORATION PROCESS OF NH3 IN NH3/H2 ATMOSPHERE THAT TAKES PLACE IN NEUTRAL GAS ABSORPTION REFRIGERATION UNITS. THE DATA OBTAINED ARE USED TO CALCULATE THE \"PSYCHROMETRIC PROBLEM\" AND THE EVAPORATION PROCESS WITHIN AN INSULATED TUBE. THE \"PSYCHROMETRIC PROBLEM\" DEALS WITH THE DETERMINATION OF THE MASS FRACTION OF THE NH3/H2 GAS MIXTURE FROM KNOWN \"DRY\" AND \"WET BULB\" TEMPERATURES FOR LEWIS NUMBERS NOT EQUAL TO ONE. THE RESULTS ARE IN GOOD AGREEMENT WITH SOME EXISTING EXPERIMENTAL DATA.","ΣΤΗΝ ΕΡΓΑΣΙΑ ΜΕ ΤΙΤΛΟ \"ΕΞΑΤΜΙΣΗ ΝΗ3 ΣΕ Η2 25 BAR\" ΜΕΛΕΤΩΝΤΑΙ ΟΙ ΘΕΡΜΟΔΥΝΑΜΙΚΕΣΙΔΙΟΤΗΤΕΣ ΚΑΙ ΣΥΝΤΕΛΕΣΤΕΣ ΦΑΙΝΟΜΕΝΩΝ ΜΕΤΑΦΟΡΑΣ ΤΟΥ ΜΕΙΓΜΑΤΟΣ ΝΗ3/Η2. ΕΠΙΣΗΣ ΕΠΙΛΥΕΤΑΙ ΤΟ \"ΨΥΧΡΟΜΕΤΡΙΚΟ ΠΡΟΒΛΗΜΑ\", ΔΗΛ. ΠΡΟΤΕΙΝΕΤΑΙ ΤΡΟΠΟΣ ΥΠΟΛΟΓΙΣΜΟΥ ΤΗΣ ΚΑΤΑ ΜΑΖΑ ΣΥΣΤΑΣΗΣ ΤΟΥ ΜΕΙΓΜΑΤΟΣ ΝΗ3/Η2 ΟΤΑΝ ΕΙΝΑΙ ΓΝΩΣΤΕΣ ΟΙ ΘΕΡΜΟΚΡΑΣΙΕΣ ΞΗΡΗΣ ΚΑΙ ΥΓΡΗΣ ΣΦΑΙΡΑΣ. ΤΟ ΦΑΙΝΟΜΕΝΟ ΤΗΣ ΕΞΑΤΜΙΣΗΣ ΜΕΛΕΤΑΤΑΙ ΕΝΤΟΣ ΜΟΝΩΜΕΝΟΥ ΑΓΩΓΟΥ. Η ΕΡΓΑΣΙΑ ΕΙΝΑΙ ΧΡΗΣΙΜΗ ΣΤΟ ΣΧΕΔΙΑΣΜΟ ΤΩΝ ΨΥΚΤΙΚΩΝ ΣΥΣΚΕΥΩΝ ΑΠΟΡΡΟΦΗΣΗΣ ΜΕΑΔΡΑΝΕΣ ΑΕΡΙΟ ΠΟΥ ΧΡΗΣΙΜΟΠΟΙΟΥΝ ΩΣ ΨΥΚΤΙΚΟ ΜΕΣΟ ΤΗΝ ΝΗ3, ΩΣ ΑΠΟΡΡΟΦΗΤΗ ΤΟ Η2Ο ΚΑΙ ΩΣ ΑΔΡΑΝΕΣ ΑΕΡΙΟ ΤΟ Η2."]},{"key":"dc:title","label":"Title","values":["ΕΞΑΤΜΙΣΗ ΑΜΜΩΝΙΑΣ ΣΕ ΥΔΡΟΓΟΝΟ 25 BAR","EVAPORATION OF NH3 IN NHE/H2 ATMOSPHERE BY 25 BAR"]}]}],"canonical_facts":{"dc:creator":["Stegou-Sagia, Athina","Στέγγου-Σαγιά, Αθηνά"],"dc:date":["1986"],"dc:description":["THE WORK ENTITLED \"EVAPORATION OF NH3 IN NH3/H2 ATMOSPHERE BY 25 BAR\", PRESENTS THE THERMODYNAMIC AND TRANSPORT PROPERTIES OF THE NH3/H2 GAS MIXTURE AS WELLAS THE EVAPORATION PROCESS OF NH3 IN NH3/H2 ATMOSPHERE THAT TAKES PLACE IN NEUTRAL GAS ABSORPTION REFRIGERATION UNITS. THE DATA OBTAINED ARE USED TO CALCULATE THE \"PSYCHROMETRIC PROBLEM\" AND THE EVAPORATION PROCESS WITHIN AN INSULATED TUBE. THE \"PSYCHROMETRIC PROBLEM\" DEALS WITH THE DETERMINATION OF THE MASS FRACTION OF THE NH3/H2 GAS MIXTURE FROM KNOWN \"DRY\" AND \"WET BULB\" TEMPERATURES FOR LEWIS NUMBERS NOT EQUAL TO ONE. THE RESULTS ARE IN GOOD AGREEMENT WITH SOME EXISTING EXPERIMENTAL DATA.","ΣΤΗΝ ΕΡΓΑΣΙΑ ΜΕ ΤΙΤΛΟ \"ΕΞΑΤΜΙΣΗ ΝΗ3 ΣΕ Η2 25 BAR\" ΜΕΛΕΤΩΝΤΑΙ ΟΙ ΘΕΡΜΟΔΥΝΑΜΙΚΕΣΙΔΙΟΤΗΤΕΣ ΚΑΙ ΣΥΝΤΕΛΕΣΤΕΣ ΦΑΙΝΟΜΕΝΩΝ ΜΕΤΑΦΟΡΑΣ ΤΟΥ ΜΕΙΓΜΑΤΟΣ ΝΗ3/Η2. ΕΠΙΣΗΣ ΕΠΙΛΥΕΤΑΙ ΤΟ \"ΨΥΧΡΟΜΕΤΡΙΚΟ ΠΡΟΒΛΗΜΑ\", ΔΗΛ. ΠΡΟΤΕΙΝΕΤΑΙ ΤΡΟΠΟΣ ΥΠΟΛΟΓΙΣΜΟΥ ΤΗΣ ΚΑΤΑ ΜΑΖΑ ΣΥΣΤΑΣΗΣ ΤΟΥ ΜΕΙΓΜΑΤΟΣ ΝΗ3/Η2 ΟΤΑΝ ΕΙΝΑΙ ΓΝΩΣΤΕΣ ΟΙ ΘΕΡΜΟΚΡΑΣΙΕΣ ΞΗΡΗΣ ΚΑΙ ΥΓΡΗΣ ΣΦΑΙΡΑΣ. ΤΟ ΦΑΙΝΟΜΕΝΟ ΤΗΣ ΕΞΑΤΜΙΣΗΣ ΜΕΛΕΤΑΤΑΙ ΕΝΤΟΣ ΜΟΝΩΜΕΝΟΥ ΑΓΩΓΟΥ. Η ΕΡΓΑΣΙΑ ΕΙΝΑΙ ΧΡΗΣΙΜΗ ΣΤΟ ΣΧΕΔΙΑΣΜΟ ΤΩΝ ΨΥΚΤΙΚΩΝ ΣΥΣΚΕΥΩΝ ΑΠΟΡΡΟΦΗΣΗΣ ΜΕΑΔΡΑΝΕΣ ΑΕΡΙΟ ΠΟΥ ΧΡΗΣΙΜΟΠΟΙΟΥΝ ΩΣ ΨΥΚΤΙΚΟ ΜΕΣΟ ΤΗΝ ΝΗ3, ΩΣ ΑΠΟΡΡΟΦΗΤΗ ΤΟ Η2Ο ΚΑΙ ΩΣ ΑΔΡΑΝΕΣ ΑΕΡΙΟ ΤΟ Η2."],"dc:identifier":["10.12681/eadd/0194","http://hdl.handle.net/10442/hedi/0194"],"dc:language":["gre"],"dc:publisher":["National Technical University of Athens (NTUA)","Εθνικό Μετσόβιο Πολυτεχνείο (ΕΜΠ)"],"dc:subject":["Θερμοδυναμική","ΨΥΞΗ-ΚΛΙΜΑΤΙΣΜΟΣ","ΨΥΧΡΟΜΕΤΡΙΚΟ ΠΡΟΒΛΗΜΑ","PSYCHROMETRIC PROBLEM","Επιστήμες Μηχανικού και Τεχνολογία","Επιστήμη Μηχανολόγου Μηχανικού","Engineering and Technology","Mechanical Engineering"],"dc:title":["ΕΞΑΤΜΙΣΗ ΑΜΜΩΝΙΑΣ ΣΕ ΥΔΡΟΓΟΝΟ 25 BAR","EVAPORATION OF NH3 IN NHE/H2 ATMOSPHERE BY 25 BAR"],"dc:type":["PhD Thesis"]},"updated_at":"2026-07-24T02:25:08Z"}