Cesare PIANESE | FLUID MACHINERY AND ENERGY SYSTEMS
Cesare PIANESE FLUID MACHINERY AND ENERGY SYSTEMS
cod. 0612200012
FLUID MACHINERY AND ENERGY SYSTEMS
0612200012 | |
DIPARTIMENTO DI INGEGNERIA INDUSTRIALE | |
EQF6 | |
CHEMICAL ENGINEERING | |
2019/2020 |
OBBLIGATORIO | |
YEAR OF COURSE 2 | |
YEAR OF DIDACTIC SYSTEM 2016 | |
SECONDO SEMESTRE |
SSD | CFU | HOURS | ACTIVITY | |
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ING-IND/08 | 6 | 60 | LESSONS |
Objectives | |
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KNOWLEDGE AND UNDERSTANDING: GENERAL WORKING PRINCIPLES OF FLUID MACHINES AND THERMAL POWER PLANTS. COMPREHENSION OF THE PROBLEMS RELATED TO ENERGY CONVERSION AND EXPLOITATION OF CONVENTIONAL AND RENEWABLE ENERGY SOURCES. KNOWLEDGE OF SYSTEMS AND PLANTS FOR ENERGY CONVERSION, CHARACTERISTIC CURVES OF COMPRESSORS AND PUMPS AND THEIR CONNECTION WITH THE PLANT. APPLYING KNOWLEDGE AND UNDERSTANDING – ENGINEERING ANALYSIS PERFORM QUANTITATIVE ANALYSES ON ENERGY SAVING AND ENVIRONMENTAL IMPACT OF INDIVIDUAL PLANTS. ANALYZE THE ENERGY FLOWS IN FLUID MACHINES, BOTH ASSUMING IDEAL AND REAL CONDITIONS. APPLYING KNOWLEDGE AND UNDERSTANDING – ENGINEERING DESIGN PERFORM THE PRELIMINARY DESIGN OF A FLUID MACHINE AND A THERMAL POWER PLANT. MAKING JUDGMENTS - ENGINEERING PRACTICE: SELECT THE MOST SUITABLE SYSTEM FOR ENERGY CONVERSION AND FLUID MACHINE TO BE USED INTO A POWER PLANT WITH THE AIM OF OPTIMIZING THE ENERGY FLOWS ACCORDING TO THE CONTEXT. COMMUNICATION SKILLS – TRANSVERSAL SKILLS: ABILITY TO WORK AS PART OF A TEAM AND PERFORM ORAL PRESENTATION ON A TOPIC DEALING WITH FLUID MACHINES AND ENERGY CONVERSION SYSTEMS. LEARNING SKILLS – TRANSVERSAL SKILLS: SKILL TO APPLY THE GAINED EXPERTISE TO DIFFERENT CONTEXTS FROM THOSE PRESENTED DURING THE COURSE AND TO DEEPEN THE TOPICS USING MATERIALS OTHER THAN THOSE PROPOSED. |
Prerequisites | |
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IN ORDER TO SUCCESSFULLY REACH ALL THE EDUCATIONAL GOALS, IT IS REQUESTED TO HAVE PASSED THE CLASS IN APPLIED THERMODYNAMICS. |
Contents | |
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THE COURSE IS SCHEDULED ALONG 60 HOURS OF THEORY, NUMERICAL AND LABORATORY PRACTICE. THE DETAILED PROGRAM IS: 1) ENERGY SOURCES (5H THEORY) CLASSIFICATION OF FLUID MACHINES AND THERMAL POWER PLANTS. CONVENTIONAL ENERGY SOURCES. FUELS. RENEWABLE ENERGY SOURCES. IMPACT OF ENERGY USE/CONVERSION ON ECONOMY AND ENVIRONMENT. 2) THERMODYNAMICS APPLIED TO FLUID MACHINES (6H THEORY; 3H PRACTICE) OPEN AND CLOSED SYSTEMS. FIRST AND SECOND LAWS OF THERMODYNAMICS. CONSERVATION OF MASS AND ENERGY. CARNOT CYCLE. IDEAL AND REAL COMPRESSION AND EXPANSION. 3) THERMAL POWER PLANTS (3H THEORY; 1H PRACTICE) IDEAL, LIMIT AND REAL THERMODYNAMIC CYLES. GLOBAL EFFICIENCY AND SPECIFIC FUEL CONSUMPTION. THERMODYNAMIC, COMBUSTION AND MECHANICAL EFFICIENCIES. 4) VAPOUR POWER PLANT (6H THEORY; 2H PRACTICE) RANKINE AND HIRN CYCLES. REHEAT AND REGENERATIVE VAPOUR POWER CYCLE. STEAM GENERATOR. POWER REGULATION. 5) GAS TURBINE POWER PLANT (6H THEORY; 3H PRACTICE) IDEAL AND REAL BRAYTON CYCLE. INTERCCOLING AND REHEAT. REGENERATIVE GAS TURBINE. POWER REGULATION. 6) TURBOMACHINES (5H THEORY; 2H PRACTICE) EULER'S EQUATION. VELOCITY TRANGLES. REACTION COEFFICIENT. BLADES EFFICIENCY. AXIAL TURBINE. IDEAL STAGES R=0 R=0.5. MULTISTAGES TURBINE. PARTIALNESS AND REGULATION. 7) COMPRESSORS AND PUMPS (11H THEORY; 5H PRACTICE; 2H LAB) HEAD, EFFICIENCY, CONNECTION TO PLANT. CENTRIFUGAL MACHINES, CHARACTERISTIC CURVES, SPECIFIC PARAMETERS. PUMPS REGULATION, CAVITATION, NPSH. VOLUMETRIC COMPRESSORS, VOLUMETRIC EFFICIENCY, VOLUMETRIC AND MANOMETRIC PRESSURE RATIOS. EXPERIMENTS ON A PUMPING SYSTEM. |
Teaching Methods | |
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ATTENDANCE AT THE LECTURES IS STRONGLY RECOMMENDED. THE COURSE IS ORGANIZED BY THEORETICAL LESSONS (42 H), NUMERICAL EXERCISES (16) AND LAB EXPERIMENTS (2H). THESE LATTERS ARE AIMED AT EVALUATING THE CHARACTERISTIC CURVE OF A PUMP. |
Verification of learning | |
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THE LEARNING ASSESSMENT IS CARRIED OUT BY A NUMERICAL EXCERSISE FOLLOWED BY AN INTERVIEW. IN ORDER TO PASS THE EXAMINATION, THE STUDENT HAS TO PROVE KNOWLEDGE OF ENERGY EQUATION, REPRESENTATION OF COMPRESSION AND EXPANSION ON THE T-S PLANE AND CALCULATION OF WORK AND EFFICIENCY OF A THERMAL POWER PLANT. EXCELLENT MARK WILL BE REACHED WHEN THE STUDENT PROVES TO BE ABLE TO DEAL WITH A QUESTION THAT HAS NOT BEEN EXPLICITLY EXPLAINED/DESCRIBED ALONG THE LESSONS. |
Texts | |
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REFERENCE BOOK: R. DELLA VOLPE, MACCHINE, LIGUORI EDITORE. ADDITIONAL BOOKS FOR CONSULTATION: G. RIZZO, SUPPORTI DIDATTICI MULTIMEDIALI AL CORSO DI MACCHINE, CD-ROM, CUES. O.ACTON, C.CAPUTO, INTRODUZIONE ALLO STUDIO DELLE MACCHINE, UTET. O.ACTON, C.CAPUTO, IMPIANTI MOTORI, UTET. EL WAKIL, POWER PLANT TECHNOLOGY, MCGRAW HILL. I.I IONEL, PUMPS AND PUMPING, ELSEVIER. H. A. SORENSEN, ENERGY CONVERSION SYSTEMS, JOHN WILEY & SONS. NOTES, EXERCISES AND INFORMATION AT THE WEB SITE: HTTP://ELEARNING.DIMEC.UNISA.IT/ |
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