Wave rotor demonstrator engine assessment Download PDF EPUB FB2
Wave rotor demonstrator engine utilizing the Allison engine. There are several wave rotor cycles that may be suited to a turbine engine application. Candidate wave rotor topping cycles were considered and a screening process used to indicate a preferred cycle. An engine File Size: 2MB.
Get this from a library. Wave rotor demonstrator engine assessment. [Philip H Snyder; United States. National Aeronautics and Space Administration.]. Designed to function as a practical guide, Shock Wave Engine Design offers concise step-by-step design techniques in a readily usable format.
Engineers will find precise, detailed directions on such essentials as how to size wave rotor blade lengths and heights and the correct rotor diameter for a specified power, and material selection for Cited by: the benefits and viability of a wave-rotor-topped gas turbine engine.
A successful wave-rotor/gas-turbine-engine demonstration is a necessary step on the path to mature wave rotor technology. To this end, a demonstrator engine is planned that will achieve significantly improved performance, aggressively NA S A/TM-- 1File Size: KB.
A wave rotor topped gas turbine engine has been identified which incorporates five basic requirements of a successful demonstrator engine. Predicted performance maps of the wave rotor cycle have been used along with maps of existing gas turbine hardware in a design point by: The objective of the program was to determine a wave rotor demonstrator engine concept using the Allison series engine.
The results of the NASA LERC wave rotor effort were used as a basis for the wave rotor design. A wave rotor topped gas turbine engine was identified which incorporates five basic requirements of a successful demonstrator Author: Philip H. Snyder. A Review of Wave Rotor Technology and Its Applications The objective of this paper is to provide a succinct review of past and current research in developing wave rotor technology.
This technology has shown unique capabilities to enhance the performance and operating characteristics of a variety of engines and ma-chinery utilizing thermodynamic.
wave rotor, and Swissauto Wenko AG of Switzerland is the only company who produces a modern version of the Comprex®, called the Hyprex®. This type of wave rotor is designed for small gasoline engines applications .
In a gas-turbine engine, the Wave Rotor is used as a top-pressure stage, in order to obtain a higher overall. The engine manufacturer has the option to incorporate a rotor locking device into the type design of the engine to comply with the safety objective defined in § Activation of the device stops and prevents subsequent continued rotation of the engine rotor(s).
Review of Recent Developments in Wave Rotor Combustion Technology pulse detonation engines, wave rotors, pulse jets, and nonsteady ejectors. This paper aims to provide a progress wave rotors as pressure-gain combustors, a brief description of pressure-exchange wave rotors is.
Wave-rotor-enhanced gas turbine engine demonstrator [microform] / Gerard E. Welch [et al.] Wave engine topping cycle assessment [microform] / Gerard E.
Welch; Optimization of wave rotors for use as gas turbine engine topping cycles [microform] / Jack Wilson and D. The benefits of wave rotor topping in small ( to kW [ to hp] class) and intermediate ( to kw [ to hp] class) turboshaft engines, and large ( to kN [80, to ,lb f] class) high-bypass-ratio turbofan engines are rotor performance levels are calculated using a one-dimensional design/analysis by: A four-port wave rotor can be potentially used as topping device for two-shaft gas turbines ground power units.
A schematic representation of a two-shaft gas turbine topped with a four-port wave rotor is shown in Figure the air stream at the compressor exit enters the wave rotor through port and fills up the rotor channels, is further compressed due to the shock generated when the hot Author: A.
Fatsis. A series of tests has been performed on a four-port wave rotor suitable for use as a topping stage on a gas turbine engine, to measure the overall pressure ratio obtainable as a function of.
Get this from a library. Wave-rotor-enhanced gas turbine engine demonstrator. [Gerard E Welch; NASA Glenn Research Center,; U.S. Army Research Laboratory.] -- The U.S. Army Research Laboratory, NASA Glenn Research Center, and Rolls-Royce Allison are working collaboratively to demonstrate the benefits and viability of a wave-rotor-topped gas turbine engine.
The objective of this paper is to review and suggest wave-rotor applications in power generation and refrigeration systems. The emphasis is on recent investigations performed by the authors for a microturbine (30 kW) and a novel enhancement of a state-of-the-art water (R) compression refrigeration cycle.
The results of thermodynamic analyses performed for the small gas turbine topped. ATSC Mountain Wave - Rotor & K-H Waves - Duration: UT Arlington Rotating Detonation Wave Engine Initial Testing Compilation - Duration: emb8 93, views.
Wave Cycle Design for Wave Rotor Gas Turbine Engines With Low NOx Emissions 1 July | Journal of Engineering for Gas Turbines and Power, Vol.No. 3 Preliminary assessment of combustion modes for internal combustion wave rotorsCited by: The Wave Disk Engine (WDE) is a novel engine that has the potential for higher efficiency and power density of power-generation systems.
A recent version of wave disk engine architecture known as the two-stage WDE has been studied to address existing challenges of an existing WDE.
After describing tAuthor: Pejman Akbari, Ian Agoos. 11th International Conference on Turbochargers and Turbocharging 13–14 May Book • the strong excitations at the leading edge of turbine rotor can be created during engine braking down or transient acceleration.
This may be a concern of high-cycle fatigue failure of VNT rotor blades. wake and shock wave on the rotor blade. A REVIEW OF WAVE ROTOR TECHNOLOGY AND ITS APPLICATIONS detonation engines, and wave rotors are a few examples of location of the wave rotor ports along with heat addition.
CMCPP Portable Demonstration Rotor Kit The CMCPP comes equipped with the phase reference sensor and is designed for Vertical and Horizontal Accelerometers along with X&Y Proximity Probes. Overall Values, Spectrums, Orbits and Balancing may be quickly demonstrated.
Mass-based design and optimization of wave rotors for gas turbine engine enhancement 19 April | Shock Waves, Vol.
27, No. 2 Experimental Test, Model Validation, and Viability Assessment of a Wave-Rotor Constant-Volume CombustorCited by: CMCP Demonstration Rotor Kit The CMCP Rotor Kits were developed as a small working example of a real machine where vibration signals may be simulated under realistic circumstances.
Both short (single critical) and long based (two criticals) rotor kits are available as an option. plug hole and starting the engine. The higher the signal amplitude, the higher the pressure. If I place cursors on the waveform to mark the crank position, I can establish simple relationships be-tween the activities of the pistons and the valves and the shape of the wave-form.
The most obvious relationship is that the highest portions of the wave. Here is the cool part: This magnetohydrodynamic drive, which turns water into a sort of rotor, is a real thing.
(Although technically in the book version this drive is something other than. The tilt-rotor technology demonstrator is intended to have a breathtaking -- for a rotary-winged aircraft -- cruising speed of knots (about twice that of current rotary-winged aircraft), with.
 Welch, G.E.,“Overview of Wave-Rotor Technology for Gas Turbine Engine Topping Cycles,” Novel Aero Propulsion Systems International Symposium, The Institution of Mechanical Engineers, London, pp Technical Report  Author(s), year, “Report Title,” Report Number (if any) Publisher, Location.
Example. This expansion of gases forces the engine's pistons to pump and powers the car. MSU's engine has no pistons. It uses the combustion of air and fuel to build up pressure within the engine, generating a shockwave that blasts hot gas exhaust into the blades of the engine's rotors causing them to turn, which generates electricity.
Dr Ron Smith joined the British helicopter company Westland inworking in Research Aerodynamics, remotely piloted helicopters, before becoming Head of Future Projects. He had a strong influence on the design of the NH90, and was involved in the assessment of the Apache for Britain.
He also explored a variety of exotic future technologies for Westland. Future Propulsion Systems and Energy Sources in Sustainable Aviation is a comprehensive reference that offers a review of the science and engineering principles that underpin the concepts of propulsion systems and energy sources in sustainable air transportation.
The author a noted expert in the field examines the impact of air transportation Author: Saeed Farokhi. The JBA Trust wave tank shows how different combinations of coastal defences and wave and tide conditions affect the potential for overtopping and .A propfan, also called an open rotor engine, or unducted fan, is a type of aircraft engine related in concept to both the turboprop and turbofan, but distinct from design is intended to offer the speed and performance of a turbofan, with the fuel economy of a turboprop.
A propfan is typically designed with a large number of short, highly twisted blades, similar to a turbofan's bypass.