SOLUTION: Middle Tennessee State University Turboshaft Engine Annotated Bibliographies

Attached. Please let me know if you have any questions or need revisions.Running head: AIRCRAFT POWERPLANTS ANNOTATED BIBLIOGRAPHYAircraft Power-plants Annotated BibliographyInstitutional AffiliationStudent NameInstructorCourseDate1AIRCRAFT POWERPLANTS ANNOTATED BIBLIOGRAPHY2AIRCRAFT POWERPLANTS ANNOTATED BIBLIOGRAPHYA Probabilistic Design Methodology for a Turboshaft Engine Overall PerformanceAnalysisThe article investigates the uncertainties in engine components and how they affect theoverall engine performance. The authors aimed to quantify the impact of these uncertainties in aturboshaft engine’s overall performance based on Monte-Carlo probabilistic design methods.Models implemented in the article include a novel probabilistic model of turboshaft engine, aprobability statistical model, and a conventional nonlinear turboshaft engine model. The articlearticulates that aero-engine users should have larger thrust, greater thrust-weight ratio, and lowerspecific fuel consumption, lighter weight, longer life, and higher reliability. These factors areassociated with various disadvantages in their realization. One such setback is the actualperformance of each engine component compared to theoretical design values. This is because ofthe uncertainties in manufacturing and assembly tolerances.The paper used a turboshaft consisting of a combined compressor, an inlet, a burner, and apower turbine as the main research component. The article’s major findings were that uncertaintyin component performance has a significant impact on the overall engine performance.Considering the turbine entry temperature and overall pressure ratio using the probabilistic designmethod, the pressure should increase by 0.76%, while the pressure ratio should increase by 8.33%.The probabilistic design model was used, and the base of the increase compared to thedeterministic design method (Chen et al., 2014). The authors conclude that the probabilistic modelis more credible and reliable than the deterministic model in assigning the design space for a giventarget of turboshaft engine overall performance.Analysis and Design of Hybrid electric Regional turboprop aircraftAIRCRAFT POWERPLANTS ANNOTATED BIBLIOGRAPHY3(Voskuijl et al., 2018) investigates the environmental benefit of hybrid electric regionalturboprop aircraft. The article investigates the use of fuel consumption by using lithium-airbatteries as conventional fuel. They used a validated design and analysis framework that extendedthe sizing and modules of a hybrid-electric propulsion system. Batteries are used in the study asthey can provide energy just like conventional fuels. However, the authors highlighted some of thelimitations of using batteries; for instance, the batteries have low specific energy than conventionaljet fuel. Hence, they are only feasible for small aircraft. The author attribute that a hybrid-electricpropulsion system makes it possible to separate the engine. This was used as the study’s mainobjective to investigate the potential fuel burn savings for regional turboprop aircraft. Thisinvolved the inclusion of gas power and electric optimal ratio.The mission analysis showed that the traditional Brequet range equation is not suitable forits applicability; hence an alternative equation was used. The authors found that the battery massincreased with a higher power split while fuel mass decreases. The aircraft design is modifiedwhen the snowball effect causes a change in the component’s weight and volume. The electriccomponents in the power train affect the overall mass; however, the ratio of the combined powerover the energy source decreases. These results show that hybrid-electric propulsion reducesemissions of turboprop engines designed for short-range missions.Analytical Model for the Performance Estimation of Precooled Pulse TurbofanenginesThe authors presented an analysis of the model in which they propose a pulse detonationcombustion model integrated within the gas turbine simula…

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