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REFERENCE LINKING PLATFORM OF KOREA S&T JOURNALS
> Journal Vol & Issue
Journal of the Korean Society for Aviation and Aeronautics
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Journal DOI :
The Korean Society for Aviation and Aeronautics
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Volume & Issues
Volume 12, Issue 3 - Dec 2004
Volume 12, Issue 2 - Sep 2004
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A study on Requirements of the Test Flight Safety for a 350m Unmanned Airship
Jeong, B.G. ; Shin, D.W. ;
Journal of the Korean Society for Aviation and Aeronautics, volume 12, issue 2, 2004, Pages 1~15
In this study, we analyze technical requirements for a 50m unmanned airship order to assure safety in the test flight operation. The 50m class unmanned airship developed by Airship Group in Korea Aerospace Research Institute(KARI). The 50m class unmanned airship was developed as a scale-down model of 200m class stratosphere unmanned airship. This study reviews specifications and characteristics of 50m class unmanned airship and develops Airworthiness Requirements on the basis of current effective Aviation Act, Airworthiness standards, and relevant international documents. The developed requirements can be applied to the safety assessment of the 200m class stratosphere unmanned airship.
Thermal Structural Analysis of a Duct with Heat Resistant Metal Materials for Smart UAV
Im, J.B. ; Yoon, D.Y. ; Lee, K.M. ; Park, J.S. ;
Journal of the Korean Society for Aviation and Aeronautics, volume 12, issue 2, 2004, Pages 17~28
In unmanned aerial vehicle (UAV), the high temperature results from friction with the air, combustion of fuel and combustion gas of a nozzle etc. It causes serious problems in the UAV structure. The characteristic analysis of heat resistant metal and ceramic materials and creep analysis for the functionally graded material (FGM) is presented in this paper. FGM is composed of two constituent materials that are mixed up according to the specific volume fraction distribution in order to withstand high heat condition. In addition, the creep behavior of FGM applied in duct structure of an engine is analyzed.
Historical Review on Aviation Threats and Management of Aviation Security
Ahn, J.H. ; Kang, J.Y. ;
Journal of the Korean Society for Aviation and Aeronautics, volume 12, issue 2, 2004, Pages 29~42
This paper performs a historical review on aviation threats through a statistical survey. The impact factor, as a criterion to measure the seriousness of the threats occurred, is introduced and evaluated based on annual totals of hijacking and fatalities against aircraft 1948 through 2004. Also, the paper suggests processes of evaluating the level of threats and key functions for an effective management of the aviation security.
Implementation of Automatic Gate System under AVI/AEI
Hong, S.B. ; Hong, G.Y. ; Lim, W.Y. ;
Journal of the Korean Society for Aviation and Aeronautics, volume 12, issue 2, 2004, Pages 43~58
Up-to-date cargo transport system, CVO(Commercial Vehicle Operations) is the system to manage efficiently cargo distribution as providing at real time the information of cargo location and situation through ITS and GPS technology. In this paper, we proposed the Gate Automation System of harbors among AEI/AVI. To implement his system, we use the DSRC/RFID(Dedicated Short Range Communication / Radio Frequency IDentification) which adopts an wireless communication between RSE(Road-side Equipment) and OBE(on-Board Equipment) on a vehicle. When constructing the Gate automation system of harbors, the business application ability are reviewed practically and the logistics facilities to be constructed in the near future may use this project results according to the international standard and it could help complete integrated logistics system.
The study on safety measures and the trend of helicopter accidents
Kim, C.Y. ; Choi, Y.C. ;
Journal of the Korean Society for Aviation and Aeronautics, volume 12, issue 2, 2004, Pages 59~70
Most of studies on aircraft accidents have been conducted mainly for fixed-wing aircraft, while the studies on helicopter accidents have been done less even though the helicopter accidents occurred quite more than those of the fixed-wing. There are lots of differences between helicopter and fixed-wing accidents, in aspect of causes and occurrence of accidents as well as aerodynamics and operation. In Korea, helicopter accidents have occurred 2 or 3 times annually since 2000, while the number of fixed-wing aircraft accidents has been reduced considerably. The goal of this study is to solve the present safety problems in helicopter accidents by reviewing the characteristics of past accidents and comparing differences between two types of aircraft.
The Empirical Study on the Crosswind Landings
Kim, C.Y. ; Moon, B.S. ;
Journal of the Korean Society for Aviation and Aeronautics, volume 12, issue 2, 2004, Pages 71~81
There are four methods of landing of B747-400 during the crosswind condition. Pilots can choose either one of them. Those are: Sideslip/Wing low, De-Crab during Flare, Touchdown in Crab, Combining Crab and Sideslip. They decide to use one method by what they have learnt before. During the flight, the pilots choose the method, which depends on the weather forecast, and then try to land according to it. However, the weather condition always changes. In other words, the weather during planning and landing can be different, which can provide a difference between the previously expected situation and the actual one. Therefore, it is very important for the pilots to have the situation awareness. This study shows the direction and the prevention to avoid those errors, which are based on actual landing data of B747-400.
The present and future of RNAV
Shin, D.W. ; Kim, P.S. ;
Journal of the Korean Society for Aviation and Aeronautics, volume 12, issue 2, 2004, Pages 83~94
In this overview of RNAV(Area Navigation) covers the general notion of air navigation, the general concept of RNAV and Navigational facilities or elements to achieve RNAV. also, this overview includes RNAV operations on instrument approaches with GPS, VNAV(Vertical Navigation) operations and the future of RNAV.