{"id":1623,"date":"2023-06-09T19:24:40","date_gmt":"2023-06-09T16:24:40","guid":{"rendered":"https:\/\/www.civil.ihu.gr\/?post_type=course&p=1623"},"modified":"2023-11-14T18:29:38","modified_gmt":"2023-11-14T16:29:38","slug":"%cf%85%ce%b4%cf%81006","status":"publish","type":"course","link":"https:\/\/www.civil.ihu.gr\/en\/courses\/%cf%85%ce%b4%cf%81006\/","title":{"rendered":"Open Channel and River Hydraulics"},"author":6,"template":"","meta":{"_acf_changed":false},"semester":[40],"course_type":[14],"class_list":["post-1623","course","type-course","status-publish","hentry","semester-40","course_type-specialization"],"acf":{"code":"\u03a5\u0394\u03a1006","semester":40,"level":"1","teaching_activities":{"activity_1":{"description":"Lectures","weekly_hrs":4,"ects":5},"activity_2":{"description":"","weekly_hrs":"","ects":""},"activity_3":{"description":"","weekly_hrs":"","ects":""},"activity_4":{"description":"","weekly_hrs":"","ects":""},"activity_5":{"description":"","weekly_hrs":"","ects":""}},"type":14,"language":"\u0395\u03bb\u03bb\u03b7\u03bd\u03b9\u03ba\u03ac","erasmus":"\u039d\u03b1\u03b9","url":"","prerequisites":[1509,1530],"instructors":"","coordinator":"","content":"- Introduction to open channel. Application of theory of critical depth, flow over a step and through,\r\nnarrowing and widening of a cross-section.\r\n- Steady state free surface flow: Flow characteristics. Uniform flow. Definitions and equations.\r\n- Manning and Chezy equations. Uniform flow in compound channels.\r\n- Cross-sections of composite shape. Best hydraulic cross-section.\r\n- Specific force. Critical depth. Calculation of critical depth. Control cross-sections.\r\n-Gradually varied flow in streams and rivers. Computations.\r\n-Hydraulic jump and its features. Hydraulic jump on horizontal channel. Location of hydraulic jump\r\n-The code HEC-RAS (River Analysis System). Application examples.\r\n-Profile classification.\r\n-Flow calculations from spillways and lake outlets\r\n-Sediment Discharge in natural streams. Bed Load. Suspended Load","goals":"The successful completion of the course will enable students to\r\n- define the appropriate hydraulic method for solving complex problems related to open channel\r\nsystems and river flows\r\n- design open channels and culverts of various dimensions\r\n- study of natural streams and determine water and solid discharge\r\n- determine channel conveyance and evaluate the impact of bridges on the flow in streams and rivers\r\n- propose and design river training and flood protection works\r\n- assess and apply computer codes for flow computations in streams and rivers.","skills":"- Search for, analysis and synthesis of data and information, with the use of the necessary technology\r\n- Adapting to new situations\r\n- Decision-making\r\n- Team work\r\n- Project planning and management\r\n- Criticism and self-criticism\r\n- Production of free, creative and inductive thinking","teaching_methods":"Face to face","ict_usage":"Powerpoint presentations, e-learning platform for\r\neducational material","teaching_organization":{"activity_1":{"description":"Lectures","workload":40},"activity_2":{"description":"Practice\/exercises","workload":12},"activity_3":{"description":"Individual study","workload":78},"activity_4":{"description":"","workload":""},"activity_5":{"description":"","workload":""},"activity_6":{"description":"","workload":""}},"students_evaluation":"Formative evaluation consisted of:\r\n- Non-compulsory intermediate essays (5 to 6 in total) (30%\r\nof final mark) focused on solving problems :\r\n- Final written exams (70% of final mark) consisted of:\r\na) multiple choice and short answer questions on the basic\r\ntheory of the course (10% of the final mark)\r\nb) Solving of problems\/questions (60% of the final mark)","bib_textbooks":"