• Journal of Astronomy and Space Sciences
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• v.39 no.2
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• pp.67-77
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• 2022

The elements that impact the dynamics and collaborations of waves and particles in the magnetosphere of planets have been considered here. Saturn's internal magnetosphere is determined by substantiated instabilities and discovered to be an exceptional zone of wave activity. Interchanged instability is found to be one of the responsible events in view of temperature anisotropy and energization processes of magnetospheric species. The generated active ions alongside electrons that constitute the populations of highly magnetized planets like Saturn's ring electron current are taken into consideration in the current framework. The previous and similar method of characteristics and the perturbed distribution function have been used to derive dispersion relation. In incorporating this investigation, the characteristics of electromagnetic ion cyclotron wave (EMIC) waves are determined by the composition of ions in plasmas through which the waves propagate. The effect of ring distribution illustrates non-monotonous description on growth rate (GR) depending upon plasma parameters picked out. Observations made by Cassini found appropriate for modern study, have been applied to the Kronian magnetosphere. Using Maxwellian ring distribution function of ions and detailed mathematical formulation, an expression for dispersion relation as well as GR and real frequency (RF) are evaluated. Analysis of plasma parameters shows that, proliferating EMIC waves are not developed much when propagation is parallelly aligned with magnetosphere as compared to waves propagating in oblique direction. GR for the oblique case, is influenced by temperature anisotropy as well as by alternating current (AC) frequency, whereas it is much affected only by AC frequency for parallel propagating waves.

• Journal of English Language & Literature
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• v.56 no.4
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• pp.667-690
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• 2010

This essay attempts to read Percy Bysshe Shelley s The Mask of Anarchy by attending to a political agenda that Shelley seeks to propose and embody in the poem. This poem was written as a response to an exceptional political event, the Peterloo Massacre, and thus it is evident that Shelley intended to engage in contemporary politics by writing this poem. As many critics have pointed out, however, the way in which this poem addresses social, plitical issues is ambivalent and even confusing, since it contains many elements that contradict each other, and sometimes its political visions are based on incoherent conceptions. For this reason, this poem has been considered to be a failure as an occasional poem which should provide the reader with a clear direction for political actions. Faced with this critical problem, this essay proposes that the ambivalence this poem reveals-e.g., the confrontation between moderate artistic fantasy and radical tenets-is not a retreat from political activism, as some critics suggested, but a result of its creation and embodiment of a public sphere which invites various social classes and their positions. The mode in which Shelley conceives this unified public sphere in the course of writing The Mask of Anarchy can be interpreted in terms of the following three features. First, this poem underscores the significance of thoughts in constituting a communal space between people, thus asking the reader to participate in this process of thinking on given issues. Second, this poem suggests that people should enlighten each other by engaging in communicative reciprocations. Lastly, the public sphere formulated by the previous two features should incorporate various socio-political agents beyond class boundaries (even oppressors themselves) into its own working field. After explaining how these three features are manifested in the poem, this essay argues that the unified public sphere thus formed in the poem is the very agenda that Shelley aims to propose for the contemporaneous politics and culture. As a conclusion, this essay highlights how Shelley s project of creating a unified public sphere finally failed in contemporary history through observing two contrasting receptions of Shelley s works.

• Journal of English Language & Literature
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• v.55 no.4
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• pp.661-692
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• 2009

From the Darwinian perspective, all the human behaviors and thoughts are operated by "the selfish gene," the term coined by Richard Dawkins, which has long been evolving to survive by utilizing the limited quality and quantity of resources. And an organism which fails to regenerate by creating its "replicator" is doomed to extinction, for gene combinations which help an organism to survive and reproduce tend to also improve the gene's own chances of being passed on through generations. Dawkins also coins the term "meme" for a unit of human cultural evolution analogous to the gene, suggesting that such selfish replication may also be the principle for human culture. Ian McEwan is not only a controversial but more importantly influential writer in the 21st century academic world. His 1997 book Enduring Love is not exceptional in that it draws both literary and scientific attention. Intentionally set up with the dynamic conflict between the two cultures, namely art and science, the book explores the way in which the state of the modern minds is misinterpreted and estranged by each other. In this novel, the three main protagonists, Joe, Clarissa, and Jed, each representing the very important three elements of human civilization-cognition/science, emotion/art, and faith/religion-meet an unexpected peril of life. The author of the novel employs the narrative of evolutionary science-in particular the narratives of gene and meme-to provoke the question of the two cultures famously addressed by Snow in the mid 20th century and the further discussions followed by the later Darwinian scholars such as Richard Dawkins. In this paper I aim to illustrate the way in which the author develops the idea of gene science and literature and how he proceeds to provide a sophisticated bridge between the two cultures and induce a kind of consilience by the recurrent name of love in the story of Enduring Love.

• Nuclear Engineering and Technology
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• v.56 no.9
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• pp.3501-3511
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• 2024

Titanium alloys play a vital role in optimizing the effectiveness and security of nuclear reactors, strengthening structural durability, and facilitating the effective handling of nuclear waste. The aim of this study is to investigate the gamma-ray, neutron, and transmission properties of four common titanium alloys through the examination of the deposited energy amount in the liquid sodium coolant material, in relation to the mechanical properties of these alloys. MCNP (version 6.3) is utilized for designing the titanium pipes. Next, the pipes were re-designed considering the elemental mass fractions and densities of the investigated titanium alloys. Grade 26 sample is reported with the highest values of mass attenuation coefficients and the lowest HVL values among those investigated alloys. Grade 26 is reported to have the lowest TF value, whereas Grade 12 demonstrated the highest TF value. The highest Effective Removal Cross Section (Σ_R, 1/cm) value against fast neutrons is reported for Grade 26. The utilization of Grade 26 sample as pipe material resulted in the lowest deposited energy amount (MeV/g) and subsequent lowest contamination in the coolant material. Out of the alloys that were chosen for analysis, it has been determined that Grade 26 exhibits the highest level of strength. It can be concluded that the Grade 26 alloy exhibits desirable characteristics for applications in nuclear technologies that require superior gamma-ray and neutron absorption properties, as well as exceptional mechanical properties. Nevertheless, it is essential to emphasize the importance for ongoing studies to enhance the existing material properties of Grade 26, with the aim of achieving improved safety and efficacy in nuclear applications.

• Journal of the Korea Academia-Industrial cooperation Society
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• v.22 no.2
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• pp.794-801
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• 2021

This study examined the mechanical strength and corrosion resistance of a dissimilar joint with an aluminum alloy and steel by resistance element spot welding. SPFC980 steels and Al5052 alloys were applied as the base materials. S20C steels were assembled on Al5052 for the riveting element before the electric resistance welding process. The SPFC980-S20C riveted Al5052 was welded at a 6.5 kA current and 250 kgf/㎠. As a result, the engraved S20C elements formed unstable nuggets after the spot welding processes. In contrast, in the embossed S20C elements, exceptional mechanical properties, such as robust corrosion resistance and fatigue resistance, were obtained by structurally sound joints. The correlation between the microstructure and mechanical properties were examined by microstructural investigations and FEM simulations. The corrosion reliability of element spot-welded SPFC980-Al5052 dissimilar joints was investigated systematically.

• MISULJARYO - National Museum of Korea Art Journal
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• v.96
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• pp.155-180
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• 2019

Samsaebulhoedo(三世佛會圖) at Yongjusa Temple(龍珠寺), regarded as a monumental masterpiece consisting of different elements such as Confucian and Buddhist ideas, palace academy garden and Buddhist artist styles, unique traditional and western painting styles, is one of the representative works that symbolically illustrate the development and innovation of painting in the late Joseon dynasty. However, the absence of painting inscriptions raised persistent controversy over the past half century among researchers as to the matters of estimating its production period, identifying the original author and analyzing style characteristics. In the end, the work failed to gain recognitions commensurate with its historical significance and value. It is the particularly vital issue in that estimating the production period of the existing masterpiece is the beginning of all other discussions. However, this issue has caused the ensuing debates since all details are difficult to be interpreted to a concise form due to a number of different records on painters and mixture of traditional buddhist painting styles used by buddhist painters and innovative western styles used by ordinary painters. Contrary to other ordinary Buddhist paintings, this painting, Samsaebulhoedo, has a praying letter for the royal establishment at the center of the main altar. It should be noted that regarding this painting, its original version-His Royal Highness King, Her Majesty, His Royal Crown Prince主上殿下, 王妃殿下, 世子邸下-was erased and instead added Her Love Majesty慈宮邸下 in front of Her Majesty. This praying letter can be assumed as one of the significant and objective evidence for estimating its production period. The new argument of the late 19th century production focused on this praying letter, and proposed that King Sunjo was then the first-born son when Yongjusa Temple was built in 1790 and it was not until January 1, 1800 that he was ascended to the Crown Prince. In this light, the existing praying letter with the eulogistic title-Crown Prince世子-should be considered revised after his ascension to the throne. Styles and icons bore some resemblance to Samsaebulhoedo at Cheongryongsa Temple or Bongeunsa Temple portrayed by Buddhist painters in the late 19th century. Therefore, the remaining Samsaebulhoedo should be depicted by them in the same period as western styles were introduced in Buddhist painting in later days. Following extensive investigations, praying letters in Buddhist paintings in the late 19th century show that it was usual to record specification such as class, birth date and family name of people during the dynasty at the point of producing Buddhist paintings. It is easy to find that those who passed away decades ago cannot be revised to use eulogistic titles as seen by the praying letters in Samsaebulhoedo at Yongju Temple. As "His Royal Highness King, Her Majesty, His Royal Crown Prince" was generally used around 1790 regardless of the presence of first-born son or Crown Prince, it was rather natural to write the eulogistic title "His Royal Crown Prince" in the praying letter of Samsaebulhoedo. Contrary to ordinary royal hierarchy, Her Love Majesty was placed in front of Her Majesty. Based on this, the praying letter was assumed to be revised since King Jeongjo placed royal status of Hyegyeonggung before the Queen, which was an exceptional case during King Jeongjo's reign, due to unusual relationships among King Jeongjo, Hyegyeonggung and the Queen arising from the death of Crown Prince(思悼世子). At that time, there was a special case of originally writing a formal tripod praying letter, as can be seen from ordinary praying letter in Buddhist paintings, erasing it and adding a special eulogistic title: Her Love Majesty. This indicates that King Jeongjo identified that Hyegyeonggung was erased, and commanded to add it; nevertheless, ceremony leaders of Yongju Temple, built as a palace for holding ceremonies of Hyeonryungwon(顯隆園) are Jeongjo, the son of his father and his wife Hyegyeonggung (Her Love Majesty)(惠慶宮(慈宮)). This revision is believed to be ordered by King Jeongjo on January 17, 1791 when the King paid his first visit to the Hyeonryungwon since the establishment of Hyeonryungwon and Yongju Temple, stopped by Yongju Temple on his way to palace and saw Samsaebulhoedo for the first and last time. As shown above, this letter consisting of special contents and forms can be seen an obvious, objective testament to the original of Samsebulhoedo painted in 1790 when Yongju Temple was built.