Author: J. D. Trolinger
Publisher:
ISBN:
Category :
Languages : en
Pages : 96
Book Description
The purpose of this work is to establish the feasibility of using a Fourier transform analysis to automatically extract size distribution from particle field off-axis holograms. Both experimental and theoretical studies were conducted to show that this technique is feasible. A holographic system was designed and built compatible for use with a commercially available Fourier transform analyzer and software. Holograms of a standard particle field were obtained, and scattered light of both the particle field and its hologram were Fourier transform analyzed. The Sauter mean diameter determined by the two methods agreed to within 5%. The experimental and theoretical studies show that the prediction of the size distribution could be improved by increasing the diffraction efficiency of the hologram. This can be accomplished by producing phase holograms. Spray holograms were also Fourier transform analyzed at various locations of the spray. Photographs of the spray are provided for comparison. The results of this phase show that this method will yield very fast analysis of large amounts of holographic data.
Development of Holographic Particle Field Data Reduction by Fourier Analysis
Author: J. D. Trolinger
Publisher:
ISBN:
Category :
Languages : en
Pages : 96
Book Description
The purpose of this work is to establish the feasibility of using a Fourier transform analysis to automatically extract size distribution from particle field off-axis holograms. Both experimental and theoretical studies were conducted to show that this technique is feasible. A holographic system was designed and built compatible for use with a commercially available Fourier transform analyzer and software. Holograms of a standard particle field were obtained, and scattered light of both the particle field and its hologram were Fourier transform analyzed. The Sauter mean diameter determined by the two methods agreed to within 5%. The experimental and theoretical studies show that the prediction of the size distribution could be improved by increasing the diffraction efficiency of the hologram. This can be accomplished by producing phase holograms. Spray holograms were also Fourier transform analyzed at various locations of the spray. Photographs of the spray are provided for comparison. The results of this phase show that this method will yield very fast analysis of large amounts of holographic data.
Publisher:
ISBN:
Category :
Languages : en
Pages : 96
Book Description
The purpose of this work is to establish the feasibility of using a Fourier transform analysis to automatically extract size distribution from particle field off-axis holograms. Both experimental and theoretical studies were conducted to show that this technique is feasible. A holographic system was designed and built compatible for use with a commercially available Fourier transform analyzer and software. Holograms of a standard particle field were obtained, and scattered light of both the particle field and its hologram were Fourier transform analyzed. The Sauter mean diameter determined by the two methods agreed to within 5%. The experimental and theoretical studies show that the prediction of the size distribution could be improved by increasing the diffraction efficiency of the hologram. This can be accomplished by producing phase holograms. Spray holograms were also Fourier transform analyzed at various locations of the spray. Photographs of the spray are provided for comparison. The results of this phase show that this method will yield very fast analysis of large amounts of holographic data.
Scientific and Technical Aerospace Reports
Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 500
Book Description
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 500
Book Description
Government Reports Announcements & Index
Author:
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 564
Book Description
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 564
Book Description
Combustion Measurements
Author: Norman Chigier
Publisher: CRC Press
ISBN: 1040292305
Category : Technology & Engineering
Languages : en
Pages : 551
Book Description
The book begins with an introduction to the general problems of making measurements in high temperature and a presentation of chemically reacting flow systems. It describes each instrument with the various diagnostic techniques and discusses measurements that have been made in furnaces, flames, and rocket engines. The detailed measurement techniques described in this book cover a wide spectrum of applications in combustion systems, including gas turbine, rocket measurement techniques that were developed in laboratories. Information obtained on detailed temperature, velocity, particle size, and gas concentration distribution is leading to improve understanding of the chemical combustion process and to design imporvements in combustors.
Publisher: CRC Press
ISBN: 1040292305
Category : Technology & Engineering
Languages : en
Pages : 551
Book Description
The book begins with an introduction to the general problems of making measurements in high temperature and a presentation of chemically reacting flow systems. It describes each instrument with the various diagnostic techniques and discusses measurements that have been made in furnaces, flames, and rocket engines. The detailed measurement techniques described in this book cover a wide spectrum of applications in combustion systems, including gas turbine, rocket measurement techniques that were developed in laboratories. Information obtained on detailed temperature, velocity, particle size, and gas concentration distribution is leading to improve understanding of the chemical combustion process and to design imporvements in combustors.
Current Awareness in Particle Technology
Author:
Publisher:
ISBN:
Category : Particles
Languages : en
Pages : 348
Book Description
Publisher:
ISBN:
Category : Particles
Languages : en
Pages : 348
Book Description
Automated Reduction of Data from Images and Holograms
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 666
Book Description
Publisher:
ISBN:
Category :
Languages : en
Pages : 666
Book Description
Optical Engineering
Author:
Publisher:
ISBN:
Category : Optical instruments
Languages : en
Pages : 888
Book Description
Publishes papers reporting on research and development in optical science and engineering and the practical applications of known optical science, engineering, and technology.
Publisher:
ISBN:
Category : Optical instruments
Languages : en
Pages : 888
Book Description
Publishes papers reporting on research and development in optical science and engineering and the practical applications of known optical science, engineering, and technology.
Applications of Holography
Author: Lloyd Huff
Publisher:
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 382
Book Description
Publisher:
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 382
Book Description
Selected Papers on Holographic Particle Diagnostics
Author: Chandra S. Vikram
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 636
Book Description
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 636
Book Description
Government reports annual index
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 1420
Book Description
Publisher:
ISBN:
Category :
Languages : en
Pages : 1420
Book Description