• Journal of Advanced Marine Engineering and Technology
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• v.40 no.6
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• pp.476-483
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• 2016

An organic Rankine cycle for ocean thermal energy conversion system is a generating cycle using the temperature difference between surface water and deep water of the ocean. The working fluid is an important factor in the thermodynamic performance of an organic Rankine cycle. There is pinch point analysis as thermodynamic analysis of an organic Rankine cycle. This study performed a thermodynamic performance analysis according to variation in the pinch point temperature difference in heat exchangers and variation of outlet temperature of heat source and heat sink. It analyzed the thermodynamic performance by applying seven types of simple working fluids in a simple Rankine cycle for ocean thermal energy conversion that was designed according to pinch point analysis. As a result of the performance analysis, cycle irreversibility and total exergy destruction factor more decreased, and second law efficiency more increased in the lower pinch point temperature difference and temperature variation of heat source and heat sink in heat exchangers. In addition, the irreversibility changed greatly at a point that occurred in the thermodynamic variation. Among the selected working fluids, RE245fa2 showed the best thermodynamic performance, and the performance of all working fluids was observed to be similar. It needs a strict theoretical basis about diverse factors with thermodynamic performances in selecting heat exchangers and working fluids.

• Korean Security Journal
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• no.20
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• pp.95-117
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• 2009

Ever since the 9/11 terror attack, all the world has perceived the need and taken actions to make an anti-terror law, however The Republic of Korea has not yet come up with any relevant output. Currently, the Korean government apportions duties to each related government agency and sets up systems for cooperation among them to make preparations against and cope with terror threats, according to The National Guidelines on Anti-Terror Activities (the presidential directive number 47 given on January 21, 1982). However, the directive has many limits and shortcomings in coping with national emergencies. In this situation, this research aims to compare the national anti-terror laws of others countries with Korea's, in order to understand the problems in Korea, i.e., that The National Guidelines on Anti-Terror Activities, which are the only anti-terror regulations in Korea do not clearly describe the concept and range of a terror, that national anti-terror meetings and the anti-terror standing committee have problems with their operation, that the Terrorism Information Integration Center has also its own problems, and that Korea lacks in preparatory actions against terror crimes and there are still problems about investigations into terror incidents. In order to solve these problems for the future, the present author suggests that the purpose of the law on The National Guidelines on Anti-Terror Activities shall be re-established so as to meet the current anti-terror conditions of Korea, the concept of a terror and anti-terror activities shall be clarified, anti-terror organizations shall be unified, the chair of the anti-terror standing committee shall be appointed legally and automatically according to the relevant rule and be given more rights so as to have free access to private information for anti-terror activities and terror-related information, and systems shall be supplemented for reporting terror-involved persons and funds.

• Korean Security Journal
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• no.39
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• pp.295-317
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• 2014

In advanced country, private investigation system is made up of private security and in domestic, there is growing need constantly to introduce private investigation but it is not passed until now in assembly so a messenger office which is run illegally is growing because of demand by subdividing business areas. That is a proof that both the police and private security don't meet demand of public peace to the public. that's why the police has own businesses like a investigation, traffic, intelligence, crime prevention and private security's business areas are limited like a facilities security, escort security, protection of a person, machine security, special security as the Private Security Act. This study attempts to know structural difference between private security system and private investigation system in case private investigation system becomes one of the private security. on some question, respondents reply like that private security and private investigation is very different(71.2%), different(22.4%), average(6.3%), similar(0.0%), very similar(0.0%). the result seems like respondents recognize private security and private investigation as different businesses. In the result of non-quantity analysis, the differences seem like a business character, expense, business scope, public power, scale of organization, object of threat, legislation. In domestic, effort to legislate private investigation system has undergone difficulty since congressman Ha Soon Bong's motion in 1999 and today, congressman Yoon Jae Ok's All Amendments Private Security Act and congressman Song Young Geun's Private Inveswtigation Act are pending in assembly. This study's result is intended for examining difference in exploration between private security and private investigation and then there is going to propose to the policy in case private investigation system is passed in assembly by amending Private Security Act like congressman Yoon Jea Ok's All Amendment Private Security Act.

• Korean Security Journal
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• no.54
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• pp.101-125
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• 2018

In the police, crime intelligence is the basis of decision making for police's original activities in response to crime. Police decision making is done in various ways such as investigation and prevention of individual cases, allocation of resources, organization prioritization, etc. The purpose of this study was to investigate the activities of the UK policing in analyzing crime intelligence and to reflect them in the policing and to draw implications for the comparison with the Korean police. The UK operates a central police agency based on the local police system, and establishes a National Intelligence Model (NIM) system that operates crime intelligence throughout the country. In order to respond to crimes and risks through coordination and cooperation, rather than by centralized police activities, the intelligence department of the police agencies should not only prevent and suppress crime through the analysis of integrated crime information, but also make police decision-making. In contrast, the Korea police operate crime intelligence, such as statistics, case intelligence, and there is no integrated way to use it. In addition, there are few cases in which the organizational decision - making based on crime intelligence is utilized efficiently and systematically. For development, it is necessary to construct an integrated management system and analysis organization for crime intellgence. Criminal Intelligence Analysis Organizations should seek to reorganize the role of the current intelligence department or to operate a separate analysis system through the information system while maintaining the current role of each department.

• Korean Security Journal
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• no.17
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• pp.157-172
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• 2008

The purpose of this research is to suggest a construction device that can transform a public safety, security service, security system on counter- terrorism device system, from government leading type to private management type. There are purpose on this thesis to research for the bringing up counter-terrorism experts certification system and about all sorts of developed device among our country's counter-terrorism situation and through comparing developed country's private security's developing device. This summary of thesis is like below. First we need to establish total counter-terrorism center, like developed country on national corresponding strategy. Second, we need to make an organization as a country security department unified as an America's President directly belonging organization. Third, it is to legislate about an counter-terrorism. Fourth, we need to make a coorperate system according to counter-terrorism duty come under private management, so that can recover a trust among people. Fifth, a terror warning system is necessary. Private security's mutual relationship and developing devices is First, it is necessary to bring up counter-terrorism expert. Second, it is necessary to bring in counter-terrorism experts certification system. Third, counter-terrorism research center that come under private management is necessary. It is considered that various research need to be continued after by bringing up counter-terrorism experts, transforming a consciousness, counter- terrorism education, building an equipment and education center, not for a special group, that can minimize human infringement.

• The Korean Society of Law and Medicine
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• v.20 no.2
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• pp.83-107
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• 2019

This article focuses on §10 of Criminal Act of the Republic of Korea to discuss how to determine criminal responsibility of a perpetrator suffering from mental disorders, while reviewing existing process and standards of mental examination at each stage of the criminal procedure as well as exploring suggestions regarding how they should be complied. The determination of the sanity or criminal responsibility of the mentally ill as defined in the §10 of Criminal Act, by its nature, cannot be approached with a traditional, clear-cut dichotomy of biology by medical practitioner and psychology·normative science by lawyer. Looking into the actual procedure of determining mental and physical disorder with special consideration of mental illness reveals the inevitability of collaboration between lawyers and psychiatrists. In the meantime, the process and standards of mental examination at each stage of the criminal procedure must be definitive and clear. First of all, during the investigation stage, examination prior to prosecution should be more actively encouraged, considering that judging sanity of the perpetrator at the time of committing a criminal act is important. During the trial stage, the mandatory examination must be conducted depending on the sensitivity and gravity of the case. Next, medical examination to determine criminal responsibility and the one to order treatment and custody must be separately conducted in order to properly execute medical treatment and custody. Obligatory mental examination could be considered both during the stage of request for and execution of the treatment and custody. Lastly, the procedure of examination and format of examination documents need to be standardized for better objectivity and reliability.

• Analytical Science and Technology
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• v.30 no.5
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• pp.279-286
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• 2017

Determination of the order of latent fingerprints deposition on the surface of thermal paper, often found in crime scenes, is related to the study of time course and aging of fingerprints and can provide additional information in criminal investigations. A preliminary study was performed to determine the deposition order of fingerprints left with two different conditions of deposition pressure and time (in seconds) after 1 day intervals for 7 days on thermal paper (receipt and fax thermal paper) using an iodine fuming method. The resultant images of the visualized fingerprints were analyzed with densitometric image analysis to measure the changes in the areas of the ridges, which can be correlated to the deposition order. No significant variation was found with the different types of thermal paper. The average areas of the friction ridges increased gradually or were similar to the values from day 1 for 3 days, and then a continual decrease was shown from day 4 through day 7. The area values from day 6 and day 7 were less than half of those from day 1. Furthermore, the test with overlapped fingerprints showed the possibility of differentiation between fingerprints that are 1-3 and 6-7 days old based on the clarity visible to the naked eye. Additional experiments with the deposition conditions can prove that the current method is valuable for the determining the order of fingerprint deposition on thermal paper.

• Journal of The Korean Association For Science Education
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• v.33 no.7
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• pp.1329-1342
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• 2013

The purpose of this research was to investigate the relationship between the change of beginning teachers' beliefs about a lesson and that of teaching practice and argument-based inquiry using science writing. Participants were three science teachers (A, B, and C) from different middle schools. Classroom observation and interview data were collected and transcribed for analysis. A Summary Writing test was also administered to examine whether there was an improvement in students' learning. The results indicated that the interaction between the teachers and their students developed, which is concluded as an improvement in the teaching practice. Teacher A and B also reported that teacher-student interaction had improved. Teacher A and C came to understand that argument-based inquiry using science writing classes constituted learner-centered instruction. The result from the Summary Writing Test showed the impact of the changes in teaching practice and in teachers' awareness of students' learning as well as produced meaningfully higher scores than compared groups on the rhetorical structure of all the specific areas in teacher A's school and on the scientific concept at B and C's schools.

• Journal of Korean Society of Archives and Records Management
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• v.13 no.3
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• pp.7-39
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• 2013

Some records have to be classified not according to their business function but according to their case because of the characteristics of the organization's business. Examples of this are case files, criminal files, lawsuit files, personal files, medical files, and project files. The case files are made according to standard business processes. Case files are filled with records of a series of activities and these records, which are made while carrying out various functions, reenact the multilevel process of a case. This study organized the implications of managing case files by examining the composition of lawsuit records and deducting characteristics in management. To do this, first, this study analyzed the composition of the lawsuit records that Korea Legal Aid Corporation produced and managed. Second, this study confirmed how the characteristics of case files are reflected in the lawsuit records of Korea Legal Aid Corporation. Third and lastly, this study searched how the lawsuit files are managed and used through the example of Korea Legal Aid Corporation.

• Sijohaknonchong
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• v.30
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• pp.219-240
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• 2009

Jasan An Whak did research on the essence of Sijo to show that Sijo has some features as a literature. I tried to show the formation process of Sijo theory in 1930s through Jasan's Sijo theory. As a preparatory step for it, I introduced Jasan's Sijo theory released in early 1930s and examined the characteristic aspects of it. Jasan recognized a literature as a directing post that reveals the history of our national spirit. He thought a literature as a foundation for satisfying new age. Also, he recognized the essence of a literature as a emotional expression. He emphasized that a new literature in Joseon age should have not only particularity of Joseon literature but also universality of modern literature. Jasan studied style of Sijo. Because he was at the time of modernization, he used the term, 'style', instead of 'poongkyeok', which had used before modern time. He tried to show linguistic artistry of Sijo through the series of his works about the style of Sijo. Jasan tried to find formal beauty of Sijo in the aspect of rhythm instead of rhyme. And he claimed that poetic words can be lengthened or shortened to be harmonious with the melody of Sijo. In other words, it is possible to change the words of Sijo for harmonizing with a tune. Jasan recognized that the words of Sijo have a musical function as well as a semantic function.