Ingeniería Civil y Mecánica
Permanent URI for this communityhttp://repositorio.uta.edu.ec/handle/123456789/898
Browse
3 results
Search Results
Item Análisis de parámetros termodinámicos para determinar niveles de eficiencia en miniturborreactores(Universidad Técnica de Ambato. Facultad de Ingeniería Civil y Mecánica, Carrera de Ingeniería Mecánica., 2025-02) Paucar Rojana, Christian Javier; Cabrera Anda, Santiago PaúlThis project focuses on acquiring in-depth knowledge about miniturbojets within the field of combustion engines, since, to date, there is not enough research on the subject. An evaluation of the thermodynamic parameters that influence their operation was carried out, using specialized software. In this program, a miniturbojet model was selected and, based on it, calculations were made to optimize its efficiency and performance. For the initial development, key aspects such as the temperature and inlet and outlet pressures in the compressor, combustion chamber and nozzle were analyzed. In addition, additional variables such as fuel type and compression ratios were considered. These factors were determined by thermal efficiency calculations, considering the heat input in the miniturbojet compressor. From these parameters, an exhaustive analysis was carried out, allowing the identification of different variables that influence the performance of the system. In particular, a detailed study of the TJ1 turbomachine was carried out, in which its thermal and propulsive efficiency were determined, showing how the energy contained in the gas flow is transformed into useful thrust. In addition, it was identified that various sections of the miniturbojet operate under a Brayton cycle, which allowed its isentropic performance to be evaluated under the temperature and pressure conditions reached during the operation of the system, also considering possible energy losses and their impact on efficiency.Item Diseño y construcción de una máquina revocadora de mortero con sistema de bombeo peristáltico para la empresa IMAQ(Universidad Técnica de Ambato. Facultad de Ingeniería Civil y Mecánica, Carrera de Ingeniería Mecánica, 2019) Freire Espín, Christian Fabián; Espín Guerrero, Víctor RodrigoThe purpose of the present end-of-degree project is the design and construction of a cement mortar or plaster casting machine for surfaces, in order to reduce the time spent in the wall plastering process in the construction industry, and maximizing profits. A peristaltic pump is selected for the pumping of the mortar due to its ease of installation, maintenance, economy, and mechanical design of components. It is important to bear in mind that this pump works from the crushing of a hose so, it was tested and determined a force of approximately 1.8 kN. The appropriate motor was chosen to pump the mixture, and a compressor head was added so that at the exit of the mortar pump there is a spreading effect toward to the whole projected surface. Furthermore, the machine was designed and modeled with a software of mechanical design, the development of the project, and during the development of the project a prototype was manufactured at the mechanical workshop of the company “IMAQ”, where every single component specified in the drawings was built the help of machinery and adequate tools for the later on assembly of all the elements. Finally, the performance tests were executed for verifying that it complies with the parameters established in the design phase as well as a list all the costs are detailed, including the total value of the machine itself.Item Análisis de los parámetros de prensado en una máquina pegadora de compresión neumática modelo PZAP con capacidad de 120 pares/dia, para mejorar la calidad de adhesión de suelas en la microempresa “Talleres Lalaleo(Universidad Técnica de Ambato. Facultad de Ingeniería Civil y Mecánica. Carrera de Ingeniería Mecánica, 2018) Lalaleo Tenelema, Christian Vinicio; Cabrera Anda, Santiago PaúlIn the present experimental work, the analysis of the pressing parameters in a pneumatic compression machine was carried out. The parameters that were taken account were pressure, time, material, additive and temperature, a digital thermometer was used to measure the temperature of the sole at the exit of the oven, tests were carried out on gluing with different types of sole "AIR , NICOLE, JORDAN ", the tests in the DIGMIZER software were analyzed in order to find defects or products of low quality, which was considered as a defect to the products that exceed the arithmetic mean of each one of the sheets of consideration, through Graphs of Pressure vs Products of low, could be found find the total number of defects that later served us to determine pressures and adequate times of pressing in addition we qualify a table of quality which gave us to appreciate that quality had each type of footwear being so for AIR sole a pressure of 67 PSI and times of 6 to 12 seconds, acceptable and good qualities, for sole NICOLE a pressure of 80 PSI and times of 6 to 1 2 seconds, acceptable qualities and for JORDAN sole a pressure of 54 PSI and times of 8 to 12 seconds, acceptable and good qualities. The energy consumption of the pneumatic compression machine was analyzed giving us results when pressing the NICOLE sole, at a pressure of 80 PSI and a time of 12 seconds there is a higher energy consumption being 0.2720 Dollars / hour, the lower energy consumption we have when pressing the AIR sole, at a pressure of 67 PSI and a time of 6 seconds the consumption was 0.1358 Dollars / hour.