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Author: National Aeronautics and Space Administration (NASA)
Publisher: Createspace Independent Publishing Platform
ISBN: 9781724995438
Category :
Languages : en
Pages : 30
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Book Description
The detection of explosive conditions in aerospace propulsion applications is important for safety and economic reasons. Microfabricated hydrogen, oxygen, and hydrocarbon sensors as well as the accompanying hardware and software are being developed for a range of aerospace safety applications. The development of these sensors is being done using MEMS (Micro ElectroMechanical Systems) based technology and SiC-based semiconductor technology. The hardware and software allows control and interrogation of each sensor head and reduces accompanying cabling through multiplexing. These systems are being applied on the X-33 and on an upcoming STS-95 Shuttle mission. A number of commercial applications are also being pursued. It is concluded that this MEMS-based technology has significant potential to reduce costs and increase safety in a variety of aerospace applications. Hunter, G. W. and Neudeck, P. G. and Chen, L. - Y. and Makel, D. B. and Liu, C. C. and Wu, Q. H. and Knight, D. Glenn Research Center NASA/TM-1998-208817, E-11419, NAS 1.15:208817, AIAA Paper 98-3614 RTOP 254-02-0A...
Author: National Aeronautics and Space Administration (NASA)
Publisher: Createspace Independent Publishing Platform
ISBN: 9781724995438
Category :
Languages : en
Pages : 30
Get Book Here
Book Description
The detection of explosive conditions in aerospace propulsion applications is important for safety and economic reasons. Microfabricated hydrogen, oxygen, and hydrocarbon sensors as well as the accompanying hardware and software are being developed for a range of aerospace safety applications. The development of these sensors is being done using MEMS (Micro ElectroMechanical Systems) based technology and SiC-based semiconductor technology. The hardware and software allows control and interrogation of each sensor head and reduces accompanying cabling through multiplexing. These systems are being applied on the X-33 and on an upcoming STS-95 Shuttle mission. A number of commercial applications are also being pursued. It is concluded that this MEMS-based technology has significant potential to reduce costs and increase safety in a variety of aerospace applications. Hunter, G. W. and Neudeck, P. G. and Chen, L. - Y. and Makel, D. B. and Liu, C. C. and Wu, Q. H. and Knight, D. Glenn Research Center NASA/TM-1998-208817, E-11419, NAS 1.15:208817, AIAA Paper 98-3614 RTOP 254-02-0A...
Author: National Aeronautics and Space Administration (NASA)
Publisher: Createspace Independent Publishing Platform
ISBN: 9781721193868
Category :
Languages : en
Pages : 34
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Book Description
Aeronautic and space applications require the development of chemical sensors with capabilities beyond those of commercially available sensors. Areas of interest include launch vehicle safety monitoring, emission monitoring, and fire detection. This paper discusses the needs of aeronautic and space applications and the point-contact sensor technology being developed to address these needs. The development of these sensors is based on progress in two types of technology: 1) Micromachining and microfabrication technology to fabricate miniaturized sensors. 2) The development of high temperature semiconductors, especially silicon carbide. Sensor development for each application involves its own challenges in the fields of materials science and fabrication technology. The number of dual-use commercial applications of this microfabricated gas sensor technology make this area of sensor development a field of significant interest. Hunter, G. W. and Neudeck, P. G. and Chen, L. Y. and Liu, C. C. and Wu, Q. H. and Sawayda, M. S. and Jin, Z. and Hammond, J. and Makel, D. and Liu, M. and Rauch, W. A. and Hall, G. Glenn Research Center; Kennedy Space Center NASA/TM-1999-209450, NAS 1.15:209450, E-11943
Author: National Aeronautics and Space Administration (NASA)
Publisher: Createspace Independent Publishing Platform
ISBN: 9781725551152
Category :
Languages : en
Pages : 32
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Book Description
Aeronautic and Space applications require the development of chemical sensors with capabilities beyond those of commercially available sensors. Areas of most interest include launch vehicle safety monitoring emission monitoring and fire detection. This paper discusses the needs of aeronautic and space applications and the point-contact sensor technology being developed to address these needs. The development of these sensor is based on progress two types of technology: 1) Micro-machining and micro-fabrication technology to fabricate miniaturized sensors. 2) The development of high temperature semiconductors, especially silicon carbide. Sensor development for each application involves its own challenges in the fields of materials science and fabrication technology. The number of dual-use commercial applications of this micro-fabricated gas sensor technology make this area of sensor development a field of significant interest. Hunter, G. W. and Chen, L. Y. and Neudeck, P. G. and Knight, D. and Liu, C. C. and Wu, Q. H. and Zhou, H. J. and Makel, D. and Liu, M. and Rauch, W. A. Glenn Research Center NASA/TM-1998-208504, NAS 1.15:208504, E-11309 RTOP 242-20-00...
Author: Logan T. White
Publisher: William Andrew
ISBN: 081551784X
Category : Technology & Engineering
Languages : en
Pages : 219
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Book Description
Monitoring hazardous gases is highly complex, yet critical to semiconductor manufacturing. This book includes excerpts from codes and standards relevant to the industry, including the latest editions of model fire codes. This guide provides the basics to successfully comply with code requirements. The guidelines in this book go beyond minimum design standards to ensure that best industry practices are employed to address the many safety, environmental and economic concerns of hazardous occupancy facilities. System certification, redundancy and integration of gas sensors into a monitoring, control and alarm system are discussed.This is a field-guide reference. It is spiral-bound for easier ""benchtop"" access to the information you need while setting up your gas monitoring systems. It is valuable to everyone involved in handling hazardous gases.
Author: Kousuke Ihokura
Publisher: CRC Press
ISBN: 1351409018
Category : Technology & Engineering
Languages : en
Pages : 198
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Book Description
The Stannic Oxide Gas Sensor presents a comprehensive overview of the background science and technology of the subject, including practical information on its applications and the electronic circuits with which it is associated. The book explains the chemistry of the device and covers typical methods of fabrication. Sensitivity and selectivity are addressed, and the problems of drift with ambient temperature, relative humidity, and time are fully discussed. The book also presents examples of industrial, commercial, and domestic applications. It explains the design of appropriate electronic circuits and describes methods for testing and characterizing sensors. Advantages and disadvantages of sensors are assessed as well.
Author: P. T. Moseley
Publisher: CRC Press
ISBN:
Category : Art
Languages : en
Pages : 266
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Book Description
An overview of the principles & current technology of the main sensor types used for flammable gas detection, oxygen monitoring in combustion & car-exhaust control. Also includes toxic gas monitoring. A companion volume to Techniques & Mechanisms in Gas Sensing.
