The following information was submitted:
Transactions: WSEAS TRANSACTIONS ON CIRCUITS AND SYSTEMS
Transactions ID Number: 89-895
Full Name: Dinca Liviu
Position: Associate Professor
Age: ON
Sex: Male
Address: no.3, Stefan cel Mare Street, bl. L, sc. B, ap. 29, Craiova
Country: ROMANIA
Tel: +40745191812
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Fax:
E-mail address: ldinca@elth.ucv.ro
Other E-mails: dincalv@yahoo.com
Title of the Paper: Aircrafts'Altitude Measurement Using Pressure Information: Barometric Altitude and Density Altitude
Authors as they appear in the Paper: Teodor Lucian Grigorie, Liviu Dinca, Jenica-Ileana Corcau, Otilia Grigorie
Email addresses of all the authors: lgrigore@elth.ucv.ro, ldinca@elth.ucv.ro,jcorcau@elth.ucv.ro, ogrigorie@yahoo.com
Number of paper pages: 10
Abstract: Abstract: - The paper is a review of the pressure method used in the aircrafts' altitude measurement. In a short introduction the basic methods used in aviation for altitude determination are nominated, and the importance of the barometric altitude is pointed. Further, the atmosphere stratification is presented and the general differential equation, which gives the dependence of the static pressure by the altitude, is deduced. The barometric and the hypsometric formulas for the first four atmospheric layers are developed both in the analytical and numerical forms. Also, the paper presents a method to determinate the density altitude with an electronic flight instrument system. A brief review of the flight altitudes is performed, and the calculus relations of the density altitude are developed. The first two atmospheric layers (0÷11 Km and 11÷20 Km) are considered. For different indicated barometric altitudes an evaluation of the density altitude, as a function of n!
on-standards temperature variations and of dew point value, is realized.
Keywords: Standard atmosphere; Atmospheric layers; Barometric formula; Density-altitude; Evaluation
EXTENSION of the file: .pdf
Special (Invited) Session: The Density Altitude. Influence Factors and Evaluation
Organizer of the Session: 633-154
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