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Development Of A Carbon Dioxide Partial Pressure Sensor
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Book Synopsis Development of a Carbon Dioxide Partial Pressure Sensor by : Gerald Jankowitz
Download or read book Development of a Carbon Dioxide Partial Pressure Sensor written by Gerald Jankowitz and published by . This book was released on 1964 with total page 48 pages. Available in PDF, EPUB and Kindle. Book excerpt: The objective of the program was to design and develop a compact airborne CO2 sensor unit capable of sensing and measuring the CO2 content of manned, sealed environments. A prototype carbon dioxide sensor was designed, built, and calibrated. The sensor operates by alternately comparing the infrared absorption of the air sample at 4.26 microns, where CO2 exhibits strong absorption and at 3.90 microns where it has little absorption. A two color rotating filter provides sampling 200 times per second. The unit weighs 10 pounds and has a power consumption of 70 watts. The instrument is capable of detecting a concentration of at least 0.30% CO2 and has full scale capability to 5%. (Author).
Book Synopsis Development of a CO2 Partial Pressure Sensor Assembly by : K. Ammann
Download or read book Development of a CO2 Partial Pressure Sensor Assembly written by K. Ammann and published by . This book was released on 1991 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Carbon Dioxide Sensing by : Gerald Gerlach
Download or read book Carbon Dioxide Sensing written by Gerald Gerlach and published by John Wiley & Sons. This book was released on 2019-08-05 with total page 451 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book provides the reader with a profound knowledge of basic principles, properties and preferred applications of diverse kinds of CO2 measurement. It shows the advantages, disadvantages and limitations of several methods and gives a comprehensive overview of both possible applications and corresponding boundary conditions. Applications reach from environmental monitoring to safety control to biotechnology and food control and finally to medicine.
Book Synopsis The Development of a LabVIEW-based Virtual Instrument System to Estimate the Partial Pressure of Arterial Carbon Dioxide by : Jennifer Dawn Bunch
Download or read book The Development of a LabVIEW-based Virtual Instrument System to Estimate the Partial Pressure of Arterial Carbon Dioxide written by Jennifer Dawn Bunch and published by . This book was released on 2001 with total page 160 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Thin Film Oxygen Partial Pressure Sensor by : J. J. Wortman
Download or read book Thin Film Oxygen Partial Pressure Sensor written by J. J. Wortman and published by . This book was released on 1972 with total page 100 pages. Available in PDF, EPUB and Kindle. Book excerpt: The development is described of a laboratory model oxygen partial pressure sensor using a sputtered zinc oxide thin film. The film is operated at about 400 C through the use of a miniature silicon bar. Because of the unique resistance versus temperature relation of the silicon bar, control of the operational temperature is achieved by controlling the resistance. A circuit for accomplishing this is described. The response of sputtered zinc oxide films of various thicknesses to oxygen, nitrogen, argon, carbon dioxide, and water vapor caused a change in the film resistance. Over a large range, film conductance varied approximately as the square root of the oxygen partial pressure. The presence of water vapor in the gas stream caused a shift in the film conductance at a given oxygen partial pressure. A theoretical model is presented to explain the characteristic features of the zinc oxide response to oxygen.
Book Synopsis Review of Progress Towards Developing a Sensor for the Measurement of CO2 in Hyperbaric Gaseous Environments by : Kevin G. Williams
Download or read book Review of Progress Towards Developing a Sensor for the Measurement of CO2 in Hyperbaric Gaseous Environments written by Kevin G. Williams and published by . This book was released on 1975 with total page 22 pages. Available in PDF, EPUB and Kindle. Book excerpt: The development of a small, accurate and reliable alarm sensor to monitor the partial pressure of CO2 (pCO2) in the hyperbaric gaseous environment of the saturation diver is required to prevent his exposure to dangerous levels of CO2. Andros Incorporated has developed a novel, nondispersive infrared (NDIR) 'density modulation' technique meeting all the previously mentioned requirements. Using the technique, the number of CO2 molecules in the radiation path is varied periodically by subjecting a sample of the gas to a known density modulation and then measuring the fractional change in transmitted infrared radiation. Response and design are discussed.
Book Synopsis Electrochemical Carbon Dioxide Sensor by : Frank B. Leitz
Download or read book Electrochemical Carbon Dioxide Sensor written by Frank B. Leitz and published by . This book was released on 1967 with total page 58 pages. Available in PDF, EPUB and Kindle. Book excerpt: The purpose of the program was to develop a novel carbon dioxide sensor based on obtaining changes in the electrical resistance of anion-exchange resin proportional to the ambient partial pressure of carbon dioxide. The change in resistance is due to the increased ionization of a weakly ionized base in the presence of a sightly acid gas. A laboratory program was conducted to evaluate the response of various types of weak-base ion-exchange polymers to carbon dioxide concentrations in the range of 0 to 4%. The optimum material consisted of a condensation polymer of resorcinol, formaldehyde and triethylenetetramine. A laboratory model of the CO2 Sensor was fabricated using these sensing elements in the form of small, thin strips. In order to minimize the effects of humidity and temperature, the model contained two sensing elements, one being a reference. A guard chamber was provided to absorb any strongly-acid gases. Electrical readout is made on a balancing potentiometer with an earphone detector. The Sensor is small (about 50 cubic inches), weighs less than 6 ounces, has a power requirement of less than 0.5 watts, and its operation is independent of gravity. (Author).
Download or read book Technical Abstract Bulletin written by and published by . This book was released on with total page 684 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1995 with total page 702 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Development of a Potentiometric Carbon Dioxide Gas Sensor by : Michael G. Pilling
Download or read book Development of a Potentiometric Carbon Dioxide Gas Sensor written by Michael G. Pilling and published by . This book was released on 1998 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Development of a Control Algorithm for a Dynamic Gas Mixing System by : April Lovelady
Download or read book Development of a Control Algorithm for a Dynamic Gas Mixing System written by April Lovelady and published by . This book was released on 2006 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: An algorithm was developed to control the partial pressures of N2, O2, and CO2 in a gas mixing tank. The gases were premixed before being introduced into the low pressure Mars Dome. As an attempt to reduce the effects of pressure, the number of moles of the component gases was calculated and used to determine when gases needed to be added to the system or when gas concentrations needed to be diluted. There were two trial runs during each of the two experiments carried out. The total pressures in both the mixing tank and the Mars Dome remained within their limits of constraint during both trials. For the mixing tank, the pressure was maintained between 170kPa and 180kPa with a setpoint of 175kPa. Gas composition was evaluated at 67kPa and 33kPa in the Mars Dome. Again the pressure remained within its range of "5kPa of its setpoint. Adequate control of the partial pressures of N2, and O2 were achieved in the mixing tank and the Mars Dome. With respect to the control of CO2, the algorithm was unable to maintain the partial pressure within the operational limits specified. The tendency was for CO2 to linger above its setpoint. Moreover, at 33kPa the CO2 sensor in the Mars Dome began to reflect a lower concentration of CO2 in the system than what was reported by the gas chromatograph or the CO2 sensor in the mixing tank. While sufficient control of the partial pressures was achieved, there are modifications to be made that should further tighten the control limits of the system. Such modifications include recalibrating the sensors in the system and adjusting gas flow rates.
Book Synopsis Development of a Solid State Planar Carbon Dioxide Sensor by : Steven Mudenda
Download or read book Development of a Solid State Planar Carbon Dioxide Sensor written by Steven Mudenda and published by . This book was released on 2015 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Proceedings written by and published by . This book was released on 1962 with total page 450 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Chemical Sensors and Biosensors for Medical and Biological Applications by : Ursula E. Spichiger-Keller
Download or read book Chemical Sensors and Biosensors for Medical and Biological Applications written by Ursula E. Spichiger-Keller and published by John Wiley & Sons. This book was released on 2008-11-21 with total page 425 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book introduces the principles and concepts of chemical and biochemical sensors for analyzing medical as well as biological samples. For applications like analyzing or monitoring gastric juice or blood plasma, the potential of sensors is exceptionally large. Focussed on these applications, the interpretation of analytical results is explained. Specific advantages are compared to other analytical techniques. Numerous tables with data provide useful information not easily found elsewhere and make a handy source of reference. Ursula E. Spichiger-Keller is head of the Center for Chemical Sensors/Biosensors and Bioanalytical Chemistry at the Swiss Federal Institute of Technology (ETH) in Zurich.
Book Synopsis Development of a Carbon Dioxide Sensor/indicator System for Endotracheal Tubes by : Donna M. Mitchell
Download or read book Development of a Carbon Dioxide Sensor/indicator System for Endotracheal Tubes written by Donna M. Mitchell and published by . This book was released on 1994 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Government-wide Index to Federal Research & Development Reports by :
Download or read book Government-wide Index to Federal Research & Development Reports written by and published by . This book was released on 1965 with total page 886 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Proceedings of the NASA-University Conference on the Science and Technology of Space Exploration by :
Download or read book Proceedings of the NASA-University Conference on the Science and Technology of Space Exploration written by and published by . This book was released on 1962 with total page 448 pages. Available in PDF, EPUB and Kindle. Book excerpt:
