{"id":{"repo_id":"greece","oai_identifier":"oai:10442/1763"},"canonical_url":"https://search.dev.ndltd.org/etd/greece/oai:10442/1763","repository":{"repo_id":"greece","name":"Greek National Archive of PhD Theses","base_url":"https://phdtheses.ekt.gr/eadd_oai/request"},"display":{"title":"ΑΝΤΙΠΛΗΓΜΑΤΙΚΗ ΠΡΟΣΤΑΣΙΑ ΤΩΝ ΑΡΔΕΥΤΙΚΩΝ ΔΙΚΤΥΩΝ","abstract":"IN THIS DISSERTATION THE PROTECTION OF WATER HAMMER PHENOMENA IN PRESSURERIZED PIPING SYSTEMS IS INVESTIGATED BY THE USE OF PRESSURE RELIEF VALUES. A MATHEMATICAL MODEL FOR THE CASE OF THE RELIEF VALUE IS DEVELOPED. THIS MODEL IS INTRODUCED IN THE ANALYSIS OF WATER HAMMER IN PIPING NETWORKS. IN ADDITION THE METHOD OF FREE VIBRATIONS IN PRESSURIZED SYSTEMS IS USED IN ORDER TO DETERMINE THE OPTIMUM INSTALLATION POSITION OF THE PRESSURE RELIEF VALUE.","abstract_html":"IN THIS DISSERTATION THE PROTECTION OF WATER HAMMER PHENOMENA IN PRESSURERIZED PIPING SYSTEMS IS INVESTIGATED BY THE USE OF PRESSURE RELIEF VALUES. A MATHEMATICAL MODEL FOR THE CASE OF THE RELIEF VALUE IS DEVELOPED. THIS MODEL IS INTRODUCED IN THE ANALYSIS OF WATER HAMMER IN PIPING NETWORKS. IN ADDITION THE METHOD OF FREE VIBRATIONS IN PRESSURIZED SYSTEMS IS USED IN ORDER TO DETERMINE THE OPTIMUM INSTALLATION POSITION OF THE PRESSURE RELIEF VALUE.","abstract_has_math":false,"creators":["Παλληκαρά, Στασούλα"],"institution":"Αριστοτέλειο Πανεπιστήμιο Θεσσαλονίκης (ΑΠΘ)","degree_name":null,"degree_level":null,"degree_discipline":null,"degree_department":null,"school":null,"contributors":[],"advisors":[],"committee_chairs":[],"committee_members":[],"year":1991,"date_issued":"1991","date_published":"1991","updated_at":"2026-07-24T02:25:05Z","subjects":["ΑΝΤΙΠΛΗΓΜΑΤΙΚΗ ΒΑΛΒΙΔΑ","ΑΣΤΑΘΗΣ ΡΟΗ ΣΤΟΥΣ ΚΛΕΙΣΤΟΥΣ ΥΠΟ ΠΙΕΣΗ ΑΓΩΓΟΥΣ","ΒΕΛΤΙΣΤΗ ΘΕΣΗ ΤΟΠΟΘΕΤΗΣΗΣ","ΕΛΕΥΘΕΡΕΣ ΤΑΛΑΝΤΩΣΕΙΣ","ΣΥΝΤΟΝΙΣΜΟΣ ΣΕ ΥΔΡΑΥΛΙΚΑ ΣΥΣΤΗΜΑΤΑ","ΥΔΡΑΥΛΙΚΟ ΠΛΗΓΜΑ","Γεωπονικές Επιστήμες και Κτηνιατρική","Agricultural and Veterinary Sciences","Γεωπονία, Δασολογία και Αλιεία","Agriculture, Forestry and Fisheries"],"languages":["gre"],"rights":[],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["10.12681/eadd/1763"],"render_values":[{"text":"10.12681/eadd/1763","href":"https://doi.org/10.12681/eadd/1763","code":true}]}]},"links":{"outbound_url":"http://hdl.handle.net/10442/hedi/1763","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:creator","label":"Author","values":["Παλληκαρά, Στασούλα"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["1991"]},{"key":"dc:publisher","label":"Institution","values":["Αριστοτέλειο Πανεπιστήμιο Θεσσαλονίκης (ΑΠΘ)","Aristotle University Of Thessaloniki (AUTH)"]},{"key":"dc:type","label":"Dc Type","values":["PhD Thesis"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["ΑΝΤΙΠΛΗΓΜΑΤΙΚΗ ΒΑΛΒΙΔΑ","ΑΣΤΑΘΗΣ ΡΟΗ ΣΤΟΥΣ ΚΛΕΙΣΤΟΥΣ ΥΠΟ ΠΙΕΣΗ ΑΓΩΓΟΥΣ","ΒΕΛΤΙΣΤΗ ΘΕΣΗ ΤΟΠΟΘΕΤΗΣΗΣ","ΕΛΕΥΘΕΡΕΣ ΤΑΛΑΝΤΩΣΕΙΣ","ΣΥΝΤΟΝΙΣΜΟΣ ΣΕ ΥΔΡΑΥΛΙΚΑ ΣΥΣΤΗΜΑΤΑ","ΥΔΡΑΥΛΙΚΟ ΠΛΗΓΜΑ","Γεωπονικές Επιστήμες και Κτηνιατρική","Agricultural and Veterinary Sciences","Γεωπονία, Δασολογία και Αλιεία","Agriculture, Forestry and Fisheries"]}]},{"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/1763","http://hdl.handle.net/10442/hedi/1763"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["IN THIS DISSERTATION THE PROTECTION OF WATER HAMMER PHENOMENA IN PRESSURERIZED PIPING SYSTEMS IS INVESTIGATED BY THE USE OF PRESSURE RELIEF VALUES. A MATHEMATICAL MODEL FOR THE CASE OF THE RELIEF VALUE IS DEVELOPED. THIS MODEL IS INTRODUCED IN THE ANALYSIS OF WATER HAMMER IN PIPING NETWORKS. IN ADDITION THE METHOD OF FREE VIBRATIONS IN PRESSURIZED SYSTEMS IS USED IN ORDER TO DETERMINE THE OPTIMUM INSTALLATION POSITION OF THE PRESSURE RELIEF VALUE.","ΣΤΗΝ ΔΙΑΤΡΙΒΗ ΑΥΤΗ Η ΑΝΤΙΜΕΤΩΠΙΣΗ ΤΟΥ ΦΑΙΝΟΜΕΝΟΥ ΤΟΥ ΥΔΡΑΥΛΙΚΟΥ ΠΛΗΓΜΑΤΟΣ ΣΤΟΥΣΚΛΕΙΣΤΟΥΣ ΥΠΟ ΠΙΕΣΗ ΑΓΩΓΟΥΣ ΔΙΕΡΕΥΝΑΤΑΙ ΜΕ ΤΗΝ ΒΟΗΘΕΙΑ ΑΝΤΙΠΛΗΓΜΑΤΙΚΩΝ ΒΑΛΒΙΔΩΝ. ΕΙΣΑΓΕΤΑΙ ΤΟ ΜΑΘΗΜΑΤΙΚΟ ΜΟΝΤΕΛΟ ΠΟΥ ΠΕΡΙΓΡΑΦΕΙ ΤΟΝ ΤΡΟΠΟ ΛΕΙΤΟΥΡΓΙΑΣ ΤΟΥΣ, ΤΟ ΟΠΟΙΟ ΚΑΙ ΑΝΑΓΕΤΑΙ Σ'ΕΝΑ ΓΕΝΙΚΟ ΜΟΝΤΕΛΟ ΑΝΤΙΠΛΗΓΜΑΤΙΚΗΣ ΠΡΟΣΤΑΣΙΑΣ. ΠΑΡΑΛΛΗΛΑ, ΧΡΗΣΙΜΟΠΟΙΕΙΤΑΙ Η ΜΕΘΟΔΟΣ ΤΩΝ ΣΥΧΝΟΤΗΤΩΝ ΓΙΑ ΤΗΝ ΔΙΕΡΕΥΝΗΣΗ ΤΗΣ ΒΕΛΤΙΣΤΗΣ ΘΕΣΗΣ ΤΟΠΟΘΕΤΗΣΗΣ ΤΟΥΣ."]},{"key":"dc:title","label":"Title","values":["ΑΝΤΙΠΛΗΓΜΑΤΙΚΗ ΠΡΟΣΤΑΣΙΑ ΤΩΝ ΑΡΔΕΥΤΙΚΩΝ ΔΙΚΤΥΩΝ","PROTECTION OF WATER HAMMER PHENOMENA IN PRESSURIZED IRRIGATION SYSTEMS"]}]}],"canonical_facts":{"dc:creator":["Παλληκαρά, Στασούλα"],"dc:date":["1991"],"dc:description":["IN THIS DISSERTATION THE PROTECTION OF WATER HAMMER PHENOMENA IN PRESSURERIZED PIPING SYSTEMS IS INVESTIGATED BY THE USE OF PRESSURE RELIEF VALUES. A MATHEMATICAL MODEL FOR THE CASE OF THE RELIEF VALUE IS DEVELOPED. THIS MODEL IS INTRODUCED IN THE ANALYSIS OF WATER HAMMER IN PIPING NETWORKS. IN ADDITION THE METHOD OF FREE VIBRATIONS IN PRESSURIZED SYSTEMS IS USED IN ORDER TO DETERMINE THE OPTIMUM INSTALLATION POSITION OF THE PRESSURE RELIEF VALUE.","ΣΤΗΝ ΔΙΑΤΡΙΒΗ ΑΥΤΗ Η ΑΝΤΙΜΕΤΩΠΙΣΗ ΤΟΥ ΦΑΙΝΟΜΕΝΟΥ ΤΟΥ ΥΔΡΑΥΛΙΚΟΥ ΠΛΗΓΜΑΤΟΣ ΣΤΟΥΣΚΛΕΙΣΤΟΥΣ ΥΠΟ ΠΙΕΣΗ ΑΓΩΓΟΥΣ ΔΙΕΡΕΥΝΑΤΑΙ ΜΕ ΤΗΝ ΒΟΗΘΕΙΑ ΑΝΤΙΠΛΗΓΜΑΤΙΚΩΝ ΒΑΛΒΙΔΩΝ. ΕΙΣΑΓΕΤΑΙ ΤΟ ΜΑΘΗΜΑΤΙΚΟ ΜΟΝΤΕΛΟ ΠΟΥ ΠΕΡΙΓΡΑΦΕΙ ΤΟΝ ΤΡΟΠΟ ΛΕΙΤΟΥΡΓΙΑΣ ΤΟΥΣ, ΤΟ ΟΠΟΙΟ ΚΑΙ ΑΝΑΓΕΤΑΙ Σ'ΕΝΑ ΓΕΝΙΚΟ ΜΟΝΤΕΛΟ ΑΝΤΙΠΛΗΓΜΑΤΙΚΗΣ ΠΡΟΣΤΑΣΙΑΣ. ΠΑΡΑΛΛΗΛΑ, ΧΡΗΣΙΜΟΠΟΙΕΙΤΑΙ Η ΜΕΘΟΔΟΣ ΤΩΝ ΣΥΧΝΟΤΗΤΩΝ ΓΙΑ ΤΗΝ ΔΙΕΡΕΥΝΗΣΗ ΤΗΣ ΒΕΛΤΙΣΤΗΣ ΘΕΣΗΣ ΤΟΠΟΘΕΤΗΣΗΣ ΤΟΥΣ."],"dc:identifier":["10.12681/eadd/1763","http://hdl.handle.net/10442/hedi/1763"],"dc:language":["gre"],"dc:publisher":["Αριστοτέλειο Πανεπιστήμιο Θεσσαλονίκης (ΑΠΘ)","Aristotle University Of Thessaloniki (AUTH)"],"dc:subject":["ΑΝΤΙΠΛΗΓΜΑΤΙΚΗ ΒΑΛΒΙΔΑ","ΑΣΤΑΘΗΣ ΡΟΗ ΣΤΟΥΣ ΚΛΕΙΣΤΟΥΣ ΥΠΟ ΠΙΕΣΗ ΑΓΩΓΟΥΣ","ΒΕΛΤΙΣΤΗ ΘΕΣΗ ΤΟΠΟΘΕΤΗΣΗΣ","ΕΛΕΥΘΕΡΕΣ ΤΑΛΑΝΤΩΣΕΙΣ","ΣΥΝΤΟΝΙΣΜΟΣ ΣΕ ΥΔΡΑΥΛΙΚΑ ΣΥΣΤΗΜΑΤΑ","ΥΔΡΑΥΛΙΚΟ ΠΛΗΓΜΑ","Γεωπονικές Επιστήμες και Κτηνιατρική","Agricultural and Veterinary Sciences","Γεωπονία, Δασολογία και Αλιεία","Agriculture, Forestry and Fisheries"],"dc:title":["ΑΝΤΙΠΛΗΓΜΑΤΙΚΗ ΠΡΟΣΤΑΣΙΑ ΤΩΝ ΑΡΔΕΥΤΙΚΩΝ ΔΙΚΤΥΩΝ","PROTECTION OF WATER HAMMER PHENOMENA IN PRESSURIZED IRRIGATION SYSTEMS"],"dc:type":["PhD Thesis"]},"updated_at":"2026-07-24T02:25:05Z"}