Single engine turboprop aeroplane class in small air transport

Bakunowicz, Jerzy

doi:10.1108/aeat-01-2017-0009

Cited by 4 publications

(3 citation statements)

References 15 publications

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“…Important information regarding the ESPOSA project: the project results should be the first step to prepare in the future, a new class of an aircraft: SET(L)single engine turboprop (Bakunowicz, 2018).…”

Section: Discussionmentioning

confidence: 99%

Challenges of turboprop engine installation on small aircraft

Guła

Ulma

Żurek

et al. 2019

AEAT

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Purpose The purpose of this paper is to present the challenges of turbine engine installation on small aircraft. The work was a part of the European Union project Efficient Systems and Propulsion for Small Aircraft, FP7 EU – Activity, 7.1.4. improving cost efficiency. Design/methodology/approach Few of the most interesting issues associated with replacing a piston engine with a turboprop engine were chosen: changes in engine bay cooling, air inlet, exhaust system, nacellès weight and parts reduction, flight tests and performance. The publication presents an approach to: design, assemble and test the small aircraft with a turboprop engine. Findings Replacement of piston engine by turbine was carried out. The full program of ground and flight test small aircraft has been successfully completed. Pros and cons of the new design are described in the paper. Practical implications Currently, aviation gasoline (AVGAS ) is increasingly being replaced by JET-A1 (kerosene-type fuels) or diesel fuel. The change concerns engine replacement and all the necessary additional components on the aircraft. This is consistent with the new directions of development of aviation: clean, green and eco design. Replacing the piston engine with a turbine allows improvement to performance and reduces operation cost. Originality/value The achieved results allow for identifying and highlighting new directions of aviation technology development. A significant added value is to draw attention to the necessity of preparing for future requirements and amendments in regulations for the new class of aircraft: general aviation SET(L) – single engine turboprop.

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Section: Discussionmentioning

confidence: 99%

Challenges of turboprop engine installation on small aircraft

Guła

Ulma

Żurek

et al. 2019

AEAT

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“…Further work is undertaken on a new type of propulsion for the SAT aircraft. [19][20][21] The vision of the air transport system in the longer term was developed in 'The Personal Plane Project (PPlane)' (2009-2012). [22][23][24] The aim of the project was to develop a forward-looking personal air transport system (PATS) concept enabling individual air transport (2030 and later).…”

Section: Introductionmentioning

confidence: 99%

Preliminary design and optimization for fleet to be used in the Small Air Transport system

Iwaniuk

Piwek

2018

Proceedings of the Institution of Mechanical Engineers, Part G:

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Over the last few years, teams from several research centres have been working on the concept of Small Air Transport, filling the niche between a regular surface transport and a scheduled air transport-on the distances over 200 km, utilizing numerous, though low in volume, passengers' streams-giving regions a chance to improve their communication capabilities. Small Air Transport's tasks are performed on small aeroplanes, which take up to 19 passengers, with a flight time of up to 4 h and at a reasonable price for a mass recipient. An important feature of the Small Air Transport system is personalization, which is flexible adaptation of the transport process to the customer's requirements and capabilities. This paper focuses on the selection and optimization of key parameters of aircraft fleet used in Small Air Transport. The research and analysis were based on the parameters of a reference aircraft selected for each individual class of small aircraft. Taking into account the data of currently used aircraft, the calculations were made to obtain the generalized transport costs per passenger kilometre. The generalized transport costs covers both-the total operating costs and value of time of passengers. As a result of minimizing these costs in terms of the variability of the key design factors of aircraft, the parameters of the recommended aircraft, in particular, classes were obtained. It was found that generalized passenger-kilometre costs for recommended Small Air Transport aircraft are only 20-30% higher than for regional aircraft (with the same load factor) and are more advantageous for Small Air Transport aircraft (lower cost) for small local passenger flows. Utilizing Small Air Transport aircraft, the profitability of air transport expands to significantly less intense passenger flows. The analysis allowed defining key design parameters of aircraft fleet in Small Air Transport in the initial phase of a project.

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“…But the fundamental remark for similar future initiatives says that this class of aeroplanes must not be developed by ordinary conversion of previously piston-driven aeroplanes into turbine-driven aeroplanes. The design should be dedicated for the propulsion exclusively to share all benefits of the new propulsion (Bakunowicz, 2017).…”

Section: The Aeroplane and Flight Testing Campaignmentioning

confidence: 99%

Measurement and analysis of certain flight parameters based on MEMS sensors

Bakunowicz

Rzucidło

2017

J. Sens. Sens. Syst.

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Abstract. Gyroscopes established one of the fundamental references for attitude and heading in aerospace applications. The information about angular velocities gives input not only for autopilot, but also damping devices, such as yaw or pitch dampers for example. The MEMS (micro-electro-mechanical system) gyroscopes are much less reliable than their laser or fibre-optic cousins. Nevertheless, the availability and low price of MEMS components make this a growing area of application in avionics for general aviation aeroplanes. This paper presents certain results of flight data analysis registered during the flight testing campaign of the new experimental lowpower single-engine turbo-propeller utility aeroplane I-31T. The research was focused on identification of oscillation modes, distinctive for the new aeroplane, such as engine precession or shimmy. The data came from a three-axis MEMS gyroscope and accelerometer recorder, placed near to the centre of gravity. Wavelet transform, which was used for analysis, gave better precision in time domain than Fourier transform, especially for signals of low frequency.

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Single engine turboprop aeroplane class in small air transport

Cited by 4 publications

References 15 publications

Challenges of turboprop engine installation on small aircraft

Challenges of turboprop engine installation on small aircraft

Preliminary design and optimization for fleet to be used in the Small Air Transport system

Measurement and analysis of certain flight parameters based on MEMS sensors

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