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Technical University of Crete
Technical University of Crete
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| URI: | http://purl.tuc.gr/dl/dias/E21B12C8-1977-478C-87A4-CCBF3CBC122B | ||
| Year | 2023 | ||
| Type of Item | Diploma Work | ||
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| Bibliographic Citation | Antrea Pavlidou, "Using spreadsheets for solving exercises related to steam power generation cycles and hydrocarbons' combustion", Diploma Work, School of Production Engineering and Management, Technical University of Crete, Chania, Greece, 2023 https://doi.org/10.26233/heallink.tuc.97702 | ||
| Appears in Collections |
The main objective of this Diploma Thesis is the study of power generation cycle problems (Rankine Cycles) and combustion in internal engines using Excel spreadsheets.In the first chapter, is studied the behaviour of a simple ideal Rankine cycle. Firstly, is recognised the main elements of a simple ideal Rankine cycle as well as the energy analysis of the cycle arrangements. In addition, we encounter the improved cycles, which consist of the ideal Rankine cycle with reheat and regenerative Rankine cycle, including with the corresponding heat and work interactions. Finally, exercises are applied for each studied Rankine cycle, in order to calculate the thermal efficiency of the cycle.In the second chapter, is presented the development tool for Rankine cycle problems. For each of the problems developed in the previous chapter, is given the exercise pronunciation and the steps followed, hence the exercises can be solved. For the exercises, MS Excel was used and detailed solution instructions are given for each exercise.In the third chapter, is studied the hydrocarbon combustion. Firstly, is explained what is called a fuel, the definition of combustion and the molar composition of dry air are also given. Additionally, is described the stoichiometry of the combustion reactions and other definitions that are usually presented in an air-fuel mixture, which is found in internal combustion engines. Also important, is the concept of calorific value (or heating value, HV) and the determination of heat generator efficiency. In conclusion, exercises related to the study of hydrocarbon combustion (calculation of stoichiometric air-fuel ratio) are applied.The fourth chapter, presents the development of a computational tool for hydrocarbon combustion problems. For each of the problems developed in the previous chapter, is given the exercise pronunciation and the steps followed, hence the exercises can be solved through Excel spreadsheets.
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