3 edition of Preliminary dynamic tests of a flight-type ejector found in the catalog.
Preliminary dynamic tests of a flight-type ejector
by National Aeronautics and Space Administration, For sale by the National Technical Information Service in [Washington, DC], [Springfield, Va
Written in English
|Statement||Colin K. Drummond.|
|Series||NASA technical memorandum -- 105814.|
|Contributions||United States. National Aeronautics and Space Administration.|
|The Physical Object|
The object-oriented two-phase ejector hybrid reduced-order model (ROM) was developed for dynamic simulation of the R refrigeration system. OpenModelica software was used to evaluate the system’s performance. Moreover, the hybrid ROM results were compared to the results given by the non-dimensional and one-dimensional mathematical approaches of the R two-phase : Michal Haida, Rafal Fingas, Wojciech Szwajnoch, Jacek Smolka, Michal Palacz, Jakub Bodys, Andrzej J. Chapter 3: Review of Basic Vacuum Calculations Before we go any further, some time should be spent on some of the vocabulary specific to vacuum technology. Vacuum: from a practical sense, vacuum may be defined as the condition of a gas under less than atmospheric pressure. Table Vacuum ranges Vacuum Description Range Low vacuum 25 to TorrFile Size: KB.
Chapter List Chapter Introduction to Stability and Control Flight Testing Chapter Static Longitudinal Stability Theory Chapter Static Longitudinal Stability Flight Test Methods Chapter Dynamic Longitudinal Stability Theory Chapter Dynamic Longitudinal Stability Flight Test Methods and Data Reduction Chapter Longitudinal Maneuvering Stability Theory Chapter Tashtoush et al. , after a preliminary study on the ejector cooling cycle , performed dynamic hourly simulation of 7 kW of SoERC in a Jordan location. The influence of cycle parameters.
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Get this from a library. Preliminary dynamic tests of a flight-type ejector. [Colin K Drummond; United States. National Aeronautics and Space Administration.].
A thrust augmenting ejector was tested to provide experimental data to assist in the assessment of theoretical models to predict duct and ejector fluid-dynamic characteristics.
Eleven full-scale thrust augmenting ejector tests were conducted in which a rapid increase in the ejector nozzle pressure ratio was effected through a unique facility, bypass/burst-disk : Colin K. Drummond. A thrust augmenting ejector was tested to provide experimental data to assist in the assessment of theoretical models to predict duct and ejector fluid-dynamic characteristics.
Eleven full-scale thrust augmenting ejector tests were conducted in which a rapid increase in the ejector nozzle pressure ratio was effected through a unique bypass/burst-disk : Colin K.
Drummond. Preliminary dynamic tests of a flight-type ejector [microform] / Colin K. Drummond; A model for prediction of STOVL ejector dynamics [microform] / Colin K. Drummond; A theoretical study of two stage thrust augmenting ejectors / by A.M.
Abdel-Fattah. Numerical design of the contoured wind-tunnel liner for the NASA swept-wing LFC test. Use of the Practical Test Standard Book. The TASKS contained in this practical test standard apply to applicants for an initial flight engineer certificate or when adding a class rating to an existing flight engineer certificate.
With certain exceptions, some described by NOTES, all TASKS are required; however, when aFile Size: KB. Aerospace Engineering Handbook Chapter 2(v): Flight Test Engineering Kate M.
Pavlock National Aeronautics and Space Administration Dryden Flight Research Center P.O. Box Edwards, California 1. Flight Test Engineering The year began what was known as the Aerial Age, marked by the flight of the Wright Flyer in.
test plan; the associated preliminary ground tests; and last, but by no means least, discuss safety aspects. Sections 11 through 27 describe the various types of flight tests that are usually conducted during the development and certification of a new or modified Cited by: 1.
Our goal in this work is the improvement of the ejector performance inside hybrid systems supporting the theoretical activity with experimental tests.
In fact, after a preliminary ejector design, an experimental rig has been developed to test single stage ejectors for hybrid systems at different operative conditions of mass flow rates Cited by: instrumentation and data pmcessing requirements; the flight test plan; the assoclated preliminary ground tests: and last, but by no means least, discuss safety aspects.
Sections 11 through 27 describe the various types of flight tests that are usually conducted during tbe development anFile Size: 1MB.
Winner of the Summerfield Book Award. This textbook is based on a successful year approach to teaching aircraft flight mechanics at the U.S.
Air Force Academy. Intended for junior-level students presented with the material for the first time, the book clearly explains all the concepts and derivations of equations for aircraft flight mechanics.5/5(1).
Preliminary results of the two-stage ejector-diffuser system (Figure 4b) showed the favourable capacity of collecting the extra momentum and increasing the entrainment effects of the system. In order to take advantage of both CAM and CPM concepts and enhance the ejector entrainment ratio while it is maintaining or increasing, Eames [ 20 Cited by: 5.
: Introduction to Aircraft Flight Test Engineering (An Iap, Inc. Training Manual) (reprint ed)/JS (): Smith, Hubert C.: BooksAuthor: Hubert C.
Smith. Preliminary system study of a pulsed plasma thruster - The hydromagnetic capacitor model. Design of Sewage Pumping Stations by John Zoeller, PE, CEO/President This article provides guidelines for designing municipal pumping systems. There are three types of sewage handling systems: 1.
Municipal - These systems are designed to serve a given natural drainage area and are part of the public sanitary sewer system. Flight testing is a complex process. It requires many different technical skills, as well as good judgement in managing the process.
Full scale flight tests are required to provide the credibility designers need to create the latest technological advances. The contents of this book emphasise how risks can be minimized by careful test by: A General Simulation of an Air Ejector Diffuser System Derick Thomas Daniel University of Tennessee - Knoxville, @ This Thesis is brought to you for free and open access by the Graduate School at Trace: Tennessee Research and Creative Exchange.
It has been. Fig. 2 is the schematic diagram of an ejector. To derive an empirical correlation for ejector performance, we have to test as many different ejectors as possible. The ejector is thus designed in three major parts: nozzle, suction chamber body, and constant-area mixing chamber (with diffuser).Cited by: Static performance test data for a full-scale thrust augmenting ejector are analyzed for primary flow temperatures up to R.
At different primary temperatures, exit pressure contours are. Force reconstruction is of interest when the input force cannot be directly measured, while the response signals are easily obtained using transducers such as accelerometers or strain gages. In many evaluation tests of a structure, the dynamic response is not sufficient information; one may really need a description of the input : Michael Ross, Jerome S.
Cap, Michael J. Starr, Angel Urbina, Adam Ray Brink. by model tests, are required for the solution of the ejector design problem. 3. An analybis tentatively indicating that the number of governing nondimensional parameters could be reduced.
The secondary to primary temperature ratio, T*, was combined with secondary to primary flow rate ratio, W*, in the formCited by: 4.Introduction to Aircraft Design Aerodynamic Reference Centres HCentre of pressure (cp): The point at which the resultant aerodynamic force F acts.
There is no aerodynamic moment around the cp. HHalf-chord: The point at which theFile Size: 1MB.For high temperature tests, it is necessary to switch on the electrical heater and to wait for steady-state thermal conditions for a couple of hours.
Moreover, also in this case, the outlet valve has to be managed for pressurized tests. After these preliminary operations, the ejector pressure rise has to be set with the apt manual by: 3.