Thesis (B.S.)--Massachusetts Institute of Technology, Dept. of Aeronautical Engineering, 1930. / Microfiche copy available in Barker. / by Harbert W. Gall. / B.S.

Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Aeronautical Engineering, 1972. / Pages 11-12 bound in reverse order. At head of title: T-577. / Bibliography: p. 122. / by Paul S. Basile. / M.S.

Thesis (B.S.)--Massachusetts Institute of Technology, Dept. of Aeronautical Engineering, 1941. / MIT Institute Archives copy bound with: Hudson, Walter Davidson. Structural design of a plastic airplane (1941). / Includes bibliographical references (leaf [12]). / by Fernand Lecavalier. / B.S.

Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Aeronautical Engineering, 1927. / by Charles J. Bossart. / M.S.

Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Aeronautical Engineering, 1942. / Microfiche copy available in Barker. / by Ismael Núñez. / M.S.

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No / This paper reports on the advancement in the research and development of aeronautical satellite communications within the EU framework. Starting from key aspects such as spectrum regulatory and marketing issues which affect the development of aeronautical communication systems, discussion on the motivation behind the two EU projects, ABATE and WirelessCabin and their interconnection then follows. ABATE concentrated on the development of an aeronautical communications system for flight routes in the European and Northern Atlantic regions. The enabling technology considered in ABATE is discussed. Major achievements and results obtained in the project are reported in this paper. These include the development of a powerful software tool based on a logical design methodology for aeronautical satellite communication systems as well as the characterization of the aeronautical channel through a series of channel measurement campaign and a demonstration of in-flight multimedia satellite communication. The evolvement from ABATE to WirelessCabin is then highlighted. The main objective and current development of WirelessCabin since the start of the project are presented. In particular, issues on electromagnetic compatibility between different electronic equipments on board the aircraft cabin are discussed. Networking aspects for mobility, QoS and VPN support are studied. Specifically, different scenarios for the location management and address assignment schemes for mobility and VPN support are discussed in detail.

Call number: LD2668 .T4 1964 G23 / Master of Science

A commercially available bismaleimide (Compimide 353[sup]R) was blended with a toughening reactive rubber (Hycar[sup]R 1300 X 13). The rate of crosslinking as a function of rubber content and cure temperature was determined using sol-gel analysis and differential scanning calorimetry. Fourier transform infra-red was used to monitor the reaction of the maleimide group. The final degree of crosslinking was dependent on the cure temperature, for 0- 33pphr reactive rubber and independent for blends of 66-100pphr reactive rubber. The addition of a cure accelerator, diazobicyclo[ 2,2,2] octane (DABCO[sup]R) to one bismaleimide reactive rubber blend was studied. The rate and degree of crosslinking were found to be high with the addition of DABCO[sup]R. Extractable monomers present in under cured samples were studied by high pressure liquid chromatography. No detectable difference was observed in the reaction rate of the aliphatic component compared to that of the aromatic components. The mechanical properties of these materials were measured. Materials with only 33pphr reactive rubber still exhibited brittle characteristics, materials with 66pphr and 100pphr showed good tensile and fracture properties, the 66pphr blend being the preferred in terms of tensile strength, modulus and elongation. Addition of a cure accelerator (0.4-1.0% w/w) to the 66pphr material increased the fracture toughness two fold. The mechanism of DABCO[sup]R as a cure accelerator is proposed. It is suggested that the crosslinking mechanism changes from a free radical to an anionic mechanism. The morphology of cure accelerated blends changed depending on the amount of DABCO[sup]R used. Attempts were made to estimate the plastic zone size of these materials using several different methods, however, none of these methods betrayed conclusive evidence for the presence of a plastic zone. The theoretical plastic zone size and shapes were determined using the Irwin, Dugdale, von Mises and Tresca models.