Production of gamma rays in pulsars.

Ayaslı, Serpil


Computation of transient thermal stresses in elastic-plastic tubes: Effect of coupling and temperature-dependent physical properties
Eraslan, Ahmet Nedim (2002-06-01)
The objective of this study is to obtain the transient solution of the thermoelastic-plastic deformation of internal heat-generating tubes by considering the thermomechanical coupling effect and the temperature-dependent physical properties of the material. The previously developed steady-state model describing the elastic-plastic behavior of the tubes is modified to obtain the transient solution. The propagation of the elastic-plastic interface for a given heat load is obtained; and the corresponding stres...
A study on the effects of gamma radiation on the properties of polycarbonate
Kinalır, Kerim Gökhan; Usanmaz, Ali; Kaynak, Cevdet; Department of Polymer Science and Technology (2011)
This thesis aims to investigate the effects of gamma radiation on the properties of polycarbonate, an engineering thermoplastic which has a wide range of applications. A commercial grade polycarbonate resin, after being shaped into the required specimen forms by injection molding, was irradiated with different doses up to 180 kGy. Tensile strength was found to decrease with increasing dose. The lowest values of tensile modulus, flexural modulus and flexural strength were obtained at 96 kGy, which is also th...
Preparation and characterization of butadiene-styrene and ethylene oxide-styrene block copolymers.
Orhan, Erdal H; Baysal, Bahattin; Department of Chemistry (1975)
Development of rocking-column (ROC) seismic base isolation system for buildings
Javed , Nasir; Türer, Ahmet; Department of Civil Engineering (2020-10-21)
Earthquake mitigation of buildings has been a long-standing matter of research. Researchers have proposed many systems that can be categorized as passive control, active control, and hybrid systems. Seismic base isolation, usually linked to the passive control category, is a well-known technique to isolate a structure from harmful effects of earthquakes. In this research, a new seismic isolation system, different from the conventional seismic base isolation systems, has been proposed and named as Rocking-Co...
Development of a pulsed fiber laser for ladar system
Serim, Muhammed Miraç; Baykal, Altan; İnam, Sıtkı Çağdaş; Department of Physics (2012)
IIn this thesis, the recently discovered Soft Gamma Ray Repeaters SGR J1833-0832, SWIFT J1822.3-1606 and SWIFT J1834.9-0846 are analysed using the archival Swift, RXTE, Chandra and XMM-Newton observations. The period fluctuations and timing noise properties of these sources are investigated. Spectral characteristics and long term frequency evolution of these sources are presented. Investigation for timing noise structure of these magnetars has shown a correlation between first frequency derivative of the sp...
Citation Formats
S. Ayaslı, “Production of gamma rays in pulsars.,” Ph.D. - Doctoral Program, Middle East Technical University, 1978.