• Title/Summary/Keyword: Carbon emission monitoring system

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Design and Development of Carbon Emission Monitoring System in Sejong City, Korea (세종시 탄소배출 모니터링시스템(CEMS)의 설계)

  • Leem, Yountaik
    • The Journal of the Korea Contents Association
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    • v.14 no.2
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    • pp.482-493
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    • 2014
  • Many kinds of carbon emission monitoring systems or integrated systems have been developed so far. However, despite of the development of related techniques, they tend to be lack of statistic processing functions for feedback and policy-making data for users. In this study, a new CEMS (Carbon Emission Monitoring System) has been suggested and implemented in Sejong City, Korea. This system adapted automatic remote reading system from the site management agency as data hub to collect the electricity, gas and water usage of each household. The CEMS is consisted of 6 parts; carbon emission measurement, carbon emission standard setup and management, statistic analysis and the incentives. CEMS is distinguished with other systems for its UIs for users and the administrators. Also, data sharing with urban information system(UIS) of local government to produce information for users and policy-makers. This system makes it possible to investigate the change of energy consumption patterns, especially depending on the family structure and the housing characteristics. Furthermore, analyzing their correlation with carbon emission, it is expected to provide basic data used to establish urban environmental policies.

Households' Characteristics in Energy Consumption Data from Carbon Emission Monitoring System (CEMS) in Sejong City, Korea (가구 탄소모니터링 시스템에 의한 탄소배출특성 - 세종시 첫마을을 대상으로 -)

  • Leem, Yountaik;Lee, Sang Ho
    • KIEAE Journal
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    • v.13 no.6
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    • pp.55-65
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    • 2013
  • Korean Government has developed Sejong City as a new administration city. This city of future was planned and designed toward one of the most eco-friendly city on the basis of ICTs. To attain this object, a carbon emission monitoring system (CEMS) was designed and installed as a part of u-city service which provides various information anytime and anywhere to enrich the people's quality of life. In this paper, at first, the structure and functions of CEMS are introduced. This system is consist of 5 parts - data collection from user and linked public DBs, transforming data into meaningful information for the policy makers, system-user interfacing via statistical tables and graphs, and system maintenance. This system can be operated by the citizen participation through whole the process. With the help of GIS map and graphic interface, statistics of monitored data for both citizen and decision maker provided and after feed-back, they have affected on the behaviour of citizen's energy consumption and related policy as well. By the CEMS, energy consumption data of 124 agreed households were collected during 9 months in 2012. Electricity, gas and water consumption were remote-metered automatically by the system and analysed. This showed that more than 85% of CO2 emission is rely on electricity usage. Furthermore, number of family members and size of house influences on the emission of CO2 by each household together with the life-style of the occupants. Electricity and water consumption showed the seasonal factor while gas consumption represents the number of family members. Even this paper has limitations caused by 9 months of data collection, it shows the policy directions to reduce the emission of CO2 focusing on the house size and number of family members of each households. With the result of this research, life-style of the generation of dwellers should be investigated and the CO2 emission characteristics of other housing type as well for the data building for future policy making.

Evaluating Carbon Dioxide Emission from Cadastral Category based on Tier 3 Approach (Tier 3 방식에 의거한 지목별 온실가스 배출 실태평가)

  • Kim, Dae-Ho;Um, Jung-Sup
    • Spatial Information Research
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    • v.19 no.3
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    • pp.11-22
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    • 2011
  • It is usual for the carbon dioxide emission to be calculated by official energy consumption statistics produced from a number of specialized industrial process such as refinery, power plant etc. The aim of this research was to evaluate potential of cadastral system in monitoring carbon dioxide emitted from land use. An empirical study for a cadastral category was conducted to demonstrate how a on-site measurement can be used to assist in estimating the carbon dioxide emission in terms of land use specific settings. The cadastral category based analysis made it possible to identify area-wide patterns of carbon dioxide emission, which cannot be acquired by traditional Government statistics. It was possible to identify successively increasing trends in the human-related parcels such as housing land while decreasing trends of carbon dioxide in sink parcels(eg. forest). The results indicate that the cadastral parcel could be used not only as a tool to monitor carbon dioxide emission, but also as an evidence to restrict initiation of development activities causing negative influence to carbon dioxide emission such as road construction. As a result, the research findings have established the new concept of "carbon dioxide emission monitoring based on cadastral category", proposed as an initial aim of this paper.

Monitoring of the Carbon Emission and Energy Consumption of CVD and Etcher for Semiconductor Manufacturing (반도체 제조용 CVD 및 Etcher 장비의 탄소배출량과 에너지 소비량 모니터링)

  • Ko, Dong Guk;Bae, Sung Woo;Kim, Kwang Sun;Im, Ik-Tae
    • Journal of the Semiconductor & Display Technology
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    • v.12 no.3
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    • pp.19-22
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    • 2013
  • The purpose of this study is to develop a system that can monitor the amounts of energy consumption during CVD and etching process for semiconductor manufacturing. Specifically, this system is designed to measure the $CO_2$ emission amounts quantitatively by measuring the flow rate of gas used and amount of power consumed during the processes. The processes of CVD equipment can be classified generally into processing step and cleaning step and all the two steps were monitored. In CVD and etcher equipments, various gases including Ar and $O_2$ are used, but Ar, $O_2$ and He were monitored with the use of the LCI data of Korea Environmental Industry & Technology Institute and carbon emission coefficients of EcoInvent. As a result, it was found that the carbon emission amounts of CVD equipment for Ar, $O_2$ and He were $0.030kgCO_2/min$, $4.580{\times}10^{-3}kgCO_2/min$ and $6.817{\times}10^{-4}kgCO_2/min$, respectively and those of etcher equipment for Ar and $O_2$ are $5.111{\times}10^{-3}kgCO_2/min$ and $7.172kgCO_2/min$, respectively.

A Study on the Monitoring System for Green-house Gases from Electric Rolling Stock (전기철도차량 온실가스 모니터링 방안 연구)

  • Kim, Yong-Ki;Rhee, Young-Ho;Lee, Jae-Young;Lee, Cheul-Kyu;Lim, Sung-Soo
    • Proceedings of the KSR Conference
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    • 2011.10a
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    • pp.2581-2584
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    • 2011
  • Along with response of the Climactic Change Convention, the government is demanding a measuring and reporting system for green-house gas emission and energy consumption on the railroad sector in order to make a transition to a low carbon green railroad system. According to the plans to electric railway line and increase the number of electric rolling stock, the electric consumption is increasing more than the consumption of diesel. Therefore, the development of monitoring device for green-house gases became important issue. In this study we developed a prototype of the monitoring system for estimating electric consumption. This study is expected to make accurate GHG emission inventory and be used to have confidence of emission factor.

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Assessment of the Locations for Carbon Monoxide Monitoring Stations in Daegu according to Emission Distribution (배출량 분포에 따른 대구시 일산화탄소 측정망 위치의 적절성 평가)

  • Kim, Hyo-Jeong;Jo, Wan-Kuen
    • Spatial Information Research
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    • v.20 no.2
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    • pp.25-34
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    • 2012
  • Air quality in Daegu area is lower compared to many other cities, since Daegu is a basin surrounded by mountains. Accordingly, the present study investigated the location of carbon monoxide(CO) monitoring stations for systematic CO pollution management on the basis of the CO emission distribution in Daegu area. In order to achieve this purpose, the location of CO monitoring stations, which can be used for the establishment of CO management, were assessed. Emission map in Daegu area was prepared using numerical map and Clean Air Policy Support System(CAPSS) data supplied by the M inistry of Environment. Average emissions were estimated by dividing emission sources into four subgroups(roadway, apartment, industry, and municipal incineration facility) according to legal division. The CO emission intensities were subdivided into 10, which a high number represents a high emission intensity, and the current monitoring stations were evaluated for the determination of their steps in CO emission intensities. As a result, additional installation of monitoring stations were suggested for the high CO emission areas rather than the low CO emission areas. A systematic CO management strategy would be established by the supplying various principle CO data when the CO monitoring stations are additionally installed at Kukwudong and other six sites on the basis of analyses of data obtained from 1999 to 2007.

A Study on Carbon Emission Credit Acquisition in Domestic Railroad Sector (국내 철도분야 탄소배출권 확보방안 연구)

  • Choi, Yo-Han;Lee, Cheul-Kyu;Kim, Yong-Ki
    • Proceedings of the KSR Conference
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    • 2011.10a
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    • pp.2949-2951
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    • 2011
  • It is expected that domestic railway vehicle operation companies may be subjected to GHG emission reduction when GHG emission system is enforced. This study aimed that reviewing on GHG emission system such as CDM, VCS and KCER, and analysing availability of GHG emission credit acquisition for railroad transportation sector. In order to estimate GHG emission credit, a GHG emission estimation methodology should be developed, which includes GHG emission baseline estimation and GHG emission monitoring method, MRV method and etc. Modal shift project, high speed train technology, straight lining project, mass transportation technology, operation optimization tehcnology and etc. may produce GHG emission credit.

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Acoustic emission monitoring of damage progression in CFRP retrofitted RC beams

  • Nair, Archana;Cai, C.S.;Pan, Fang;Kong, Xuan
    • Structural Monitoring and Maintenance
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    • v.1 no.1
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    • pp.111-130
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    • 2014
  • The increased use of carbon fiber reinforced polymer (CFRP) in retrofitting reinforced concrete (RC) members has led to the need to develop non-destructive techniques that can monitor and characterize the unique damage mechanisms exhibited by such structural systems. This paper presented the damage characterization results of six CFRP retrofitted RC beam specimens tested in the laboratory and monitored using acoustic emission (AE). The focus of this study was to continuously monitor the change in AE parameters and analyze them both qualitatively and quantitatively, when brittle failure modes such as debonding occur in these beams. Although deterioration of structural integrity was traceable and can be quantified by monitoring the AE data, individual failure mode characteristics could not be identified due to the complexity of the system failure modes. In all, AE was an effective non-destructive monitoring tool that can trace the failure progression in RC beams retrofitted with CFRP. It would be advantageous to isolate signals originating from the CFRP and concrete, leading to a more clear understanding of the progression of the brittle damage mechanism involved in such a structural system. For practical applications, future studies should focus on spectral analysis of AE data from broadband sensors and automated pattern recognition tools to classify and better correlate AE parameters to failure modes observed.

Nozzle Condition Monitoring System for Abrasive Waterjet Process (연마재 워터젯을 위한 노즐상태 모니터링 시스템 설계)

  • Kim, Jeong-Uk;Kim, Roh-Won;Kim, Chul-Min;Kim, Sung-Ryul;Kim, Hyun-Hee;Lee, Kyung-Chang
    • Journal of the Korean Society of Industry Convergence
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    • v.23 no.5
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    • pp.817-823
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    • 2020
  • In recent, the machining of difficult-to-cut materials such as titanium alloys, stainless steel, Inconel, ceramic, glass, and carbon fiber reinforced plastics (CFRP) used in aerospace, automobile, medical industry is actively researched. Abrasive waterjet is a non-traditional processing method in which ultra-high pressure water and abrasive particles are mixed in a mixing chamber and shoot out jet through a nozzle, and removed by erosion due to collision with a material. In particular, the nozzle of the abrasive waterjet is one of the most important parts that affect the machining quality as with a cutting tool in general machining. It is very important to monitor the condition of the nozzle because the workpiece is uncut or the surface quality deteriorates due to wear, expanding of the bore, damage of the nozzle and clogging of the abrasive, etc. Therefore, in this paper, we propose a monitoring system based on Acoustic Emission(AE) sensor that can detect nozzle condition in real time during AWJ processing.

Evaluating Monitoring Condition for Forest Carbon Offset Project to Demonstrate CSR in North Korea (대북 사회공헌형 산림탄소상쇄사업 모니터링 여건평가)

  • Joo, Seung-Min;Heo, ManHo;Kim, Jong-Dall;Um, Jung-Sup
    • Spatial Information Research
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    • v.23 no.2
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    • pp.11-20
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    • 2015
  • Abstract Monitoring is the most critical element in implementing "forest carbon offset project" to enhance the visibility of CSR (Corporate Social Responsibility) in North Korea. This study is intended to explore monitoring potential in terms of forest carbon offset project using satellite image for Baekdu mountain of North Korea. The permanent record of standard satellite remote sensing system demonstrated its capability of presenting area-wide visual evidences of monitoring conditions in Mt. Baekdu mountain of North Korea (site suitability, carbon stock by forest biomass growth, carbon emission by forest biomass loss, deforestation and degradation, environmental, social and economic impact specified in the Carbon Sequestration Law). It doesn't seem very difficult to comply with monitoring requirements for "the forest carbon offset project" due to the probative value of satellite data. Therefore, it could be considerable or realistic approach to utilize CSR based forest carbon offset project as a point of reform and open-door in North Korea. It is anticipated that this research output could be used as a valuable reference for Korea-based enterprises to ensure monitoring potentials using satellite image in exploring forest carbon offset project sites in North Korea.