• Title/Summary/Keyword: Window Type Ventilation System

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A Study on Window Type Ventilation System Using IT Technology for Energy Saving in Housing Space (주거공간 내 IT기술 적용 에너지 저감 창호형 환기시스템 연구)

  • Lee, Eun-Hye;Kim, Yong-Seong;Ji, Chung-Gu
    • Journal of the Korean housing association
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    • v.24 no.2
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    • pp.61-68
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    • 2013
  • This study has the purpose to adapt IT technology on Window Type Ventilation System for the energy saving and providing of user-centered comfortable environment. This is Derived a look at the case of the window type ventilation system and researched its IT technology for reducing energy applied to the Green Home. This indicates a solution for the established Window Type Ventilation System which can not be satisfied with user's requirement by proposing Window Type Ventilation System applied to IT technology that makes it control the intelligent, combined indoor environment system and providing information. Also, it shows energy saving efficiency of Window Type Ventilation System applied to IT technology based on the model study, analysing the performance of air-conditioning and ventilation energy saving through the experiment to compare with the established Window Type Ventilation System. The result of this study has the significance that it suggests an alternative for energy saving of housing space.

An Optimized Design and Simulation Analysis of Natural Ventilation Window System classified by Apartment type (주거용 건물 유형별 자연환기시스템의 최적 설계 및 해석)

  • Choi, Gyeong-Seok;Jeong, Young-Sun;Kang, Jae-Sik;Lee, Seung-Eon;Jeong, Yeong-Yong
    • Proceedings of the SAREK Conference
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    • 2009.06a
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    • pp.685-688
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    • 2009
  • On account of Indoor Air Quality(IAQ) deterioration by reason of high insulation and air tightness for energy saving, absence of energy efficiency ventilation system development that can be domestic existing window system, the cost increase and the energy addition loss by mechanical ventilation for IAQ improvement, the ventilation obligation making design standard was prepared by a social and technical background and the necessity. In this study, an optimized design and simulation Analysis of natural ventilation window system classified by Apartment type was evaluated by CFD Computational analysis.

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Performance Evaluation of Window Ventilation System for Reducing Indoor particulate matter (실내 미세먼지 저감을 위한 창호형 환기시스템 성능평가)

  • Yang, Young Kwon;Park, Jin Chul
    • Land and Housing Review
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    • v.10 no.3
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    • pp.1-7
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    • 2019
  • Indoor particulate matter(PM) is a carcinogen and needs to be removed and managed. It is generally reduced and removed through ventilation and filtration. Owing to the recent occurrence of high-concentration fine dust and yellow dust in the atmosphere, however, it is difficult to expect the purification of indoor air through the simple introduction of the outside air. For residential buildings, in particular, they are highly dependent on natural ventilation but the lack of natural ventilation is worsening because concerns over the inflow of external pollutants are increasing. Therefore, this study designed and manufactured a window ventilation system that does not require a duct to improve the maintenance and management problems of general ventilation system, and constructed indoor PM concentration change data through performance evaluation.

The Performance Field-Application of Natural Ventilation System (자연환기시스템의 현장 적용성 평가-열환경,에너지부분)

  • Choi, Dong-Hyuk;Choi, Gyoung-Seok;Kang, Jae-Sik;Lee, Seung-Eon
    • Proceedings of the SAREK Conference
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    • 2009.06a
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    • pp.689-694
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    • 2009
  • On account of Indoor Air Quality(IAQ) deterioration by reason of high isulation and air tightness for energy saving, absence of energy efficiency ventilation system development that can be domestic existing window system, the cost increase and the energy addition loss by mechanical ventilation for IAQ improvement the ventilation obligation making design standard was prepared by a social and technical background and the necessity. In this study, open module type natural ventilation window system for energy saving included a fixed and continuous quantity ventilation was developed. The purpose that indoor thermal comfort environment evaluate of indoor resident.

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An Analysis on Thermal Performance and Economic of Heat Recovery Ventilation System Integrated with Window (창호통합형 배열회수 환기시스템의 열성능 및 경제성 평가)

  • Sung, Uk-Joo;Cho, Soo;Song, Kyoo-Dong
    • Korean Journal of Air-Conditioning and Refrigeration Engineering
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    • v.24 no.8
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    • pp.646-655
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    • 2012
  • This study is intended to analyze the thermal performance and evaluate the applicability about non-duct type heat recovery ventilation system integrated with window. Eventually, economic analysis of the system is conducted according to building energy saving ratio of it. As results of the thermal performance, the U-factor of the window conducted on the basis of KS F 2278 appears to $1.8W/m^2K$, and the effective heat exchange efficiency of the ventilator conducted on the basis of KS B 6879 appears 49.95% for cooling, 66.89% for heating. In the applicability evaluated by TRNSYS 16, the caes of applying the heat recovery ventilator integrated with window is found to reduce the cooling or heating load by 2.9% or 13.5% than the non-ventilator case. The results of economic analysis taking a side of consumer is verified as the payback is 3 years, and the accumulated earning is 1,408,133 won in terms of '600,000 won/unit' for initial cost, 10 years for useful life of the system.

Analysis of Indoor Air & thermal environment with Hybrid Ventilation system during summer (하계 공동주택 하이브리드 환기시스템 적용에 따른 실내공기 및 열 환경 평가)

  • Kim, Sang-Jin;Kim, Eun-Soo;Kim, Tae-Yeon;Leigh, Seung-Bok
    • Proceedings of the SAREK Conference
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    • 2006.06a
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    • pp.387-392
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    • 2006
  • The recent on indoor air problem has led to many studies on the methods and effects of ventilation for better indoor air quality. Although natural ventilation is the most effective and energy-saving method in residental housings, the small size of openable window has been a problem in high-rise residential buildings to ventilate only through natural ventilation. Consequently, the installation of mechanical ventilation system has been a requirement in residential buildings, and has caused other problems such as increase of energy consumption and SBS. Hybrid ventilation which uses forces of both natural and mechanical power has been introduced to solve the problem of increase in energy consumption with natural ventilation. In this paper, two types of hybrid ventilation systems in residential building were introduced. One type was with natural ventilation through vent grille in the window, and another type was with natural ventilation through ceiling duct while both types used mechanical ventilation system with the outlets. The indoor temperature distribution and pollution density distribution in summer while operating the ceiling air conditioner were analyzed through CFD simulation. In this paper, the optimal location of diffusers to achieve thermal comfort would be proposed.

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A Study of Measurement on Airtightness and Air-Flow Performance of Apartment Housing Adopting Window Frame-Type Natural Ventilation (자연환기장치가 적용된 공동주택의 기밀 및 공기유동 성능 실측 연구)

  • Chun, Chu-Young;Kim, Gil-Tae;Kim, Sun-Dong
    • Land and Housing Review
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    • v.5 no.4
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    • pp.325-332
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    • 2014
  • The purpose of this study was to measure the airtightness and Air-Flow Performance for 7th house of small apartment houses adopted window frame-type natural ventilation. All window and living room door is provide with window frame-type natural ventilation, and there is provide with manual controller. As the object of measurement, the 6th type small apartment houses with area of $33m^2$ to $51m^2$ was selected. airtightness performance was measured at the front door using Blower door system. We measured ventilation rate per hour on 50Pa pressure different between inside and outside by the 1st to 6th cases. As a result, when the natural ventilation frame was closed, average amounts are shown as the ventilation rate per hour were 2.27ACH (CASE1). and the result is similar to general apartment house (1.65~4.28ACH). When the natural ventilation frame was open, average amounts are shown as the ventilation rate per hour were 5.87ACH (CASE6). In addition, that's a 3.6ACH increased more than CASE1.

A Study on Application of Shaft-box Type Double Skin to Apartment Building (공동주택에 대한 Shaft Box형 이중외피의 적용에 관한 연구)

  • Roh, Ji Wooung
    • KIEAE Journal
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    • v.13 no.1
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    • pp.75-81
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    • 2013
  • The balcony of our apartment building consists of unique construction similar to double skin. It is announced broadly that double skin is very effective system in improvement of natural ventilation and indoor thermal environment, and outdoor sound protection. So, for the improvement of indoor climate and energy saving, many peoples studied about environmental performance of our balcony construction. This study focus on shaft box facade, special form of box window construction. It consists of a system of box window with continuous vertical shafts that extend over a number of stories to create a stack effect. Proto-type was decided by analyzing various types of exiting apartments. Shaft box type balcony was created by setting up shaft space at a part of balcony. Air flow and contribution of air temperature were simulated, performance of shaft box type balcony was compared with existing balcony. Finally, we confirmed that shaft box type balcony has many possibility for improvement of indoor environment.

Experimental study on reduction in rain water penetration through industrial windows used for natural ventilation (자연환기용 공장창호의 빗물유입 저감대책에 관한 실험적 연구)

  • Piao, Cheng Xu;Kim, Tae-Hyeung;Ha, Hyun-Chul;Xu, Rong Bin
    • Journal of Korean Society of Occupational and Environmental Hygiene
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    • v.20 no.3
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    • pp.175-183
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    • 2010
  • Windows are widely used for natural ventilation of the various buildings. Especially high level windows as a part of industrial ventilation systems, play a crucial role in natural ventilation. Compared to mechanical ventilation system, natural ventilation has the advantage of lower installation and operating costs. In general, high level windows for industrial buildings have three types; louver type, 45$^{\circ}$ open type and 90$^{\circ}$ open type. Based on previous studies, it was found that the louver type and 45$^{\circ}$ open type are very effective in reducing rainwater penetration, but they did not have enough ventilation efficiencies. Preliminary tests were performed with the various types of windows. It was found that a 90$^{\circ}$ open double layer type window was the best among those which tested in our preliminary tests. Simulated rain was used to estimate the amount of rain penetrated through windows and to observe the paths of rain penetration. Various 90$^{\circ}$ open windows were tested to find the windows with minimum rain penetration and maximum ventilation efficiency.

A Fundamental Study for the Automatic Control System in Greenhouse Using Microcomputer(III) -A variation of temperature and humidity by the window opening ways of the even-Span type house- (마이크로컴퓨터에 의한 시설재배의 자동화에 관한 기초연구(III) -양지붕형 하우스의 창 개방방법에 따른 온.습도의 변화-)

  • 김진현;김철수;구건효;이기명
    • Journal of Biosystems Engineering
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    • v.20 no.2
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    • pp.162-172
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    • 1995
  • The ventilation in greenhouse have been important for such as adjustment of temperature, supplying of the oxygen, prevention of the overhumidity, density adjustment of $CO_2$, discharge of harmfulness gas, etc. However, the general ventilation which had been used the quantitative control method in discharge of a property of air mechanism in greenhouse, and caused mainly in waste of the heating energy and growth obstacle of the vegetable. Therefore, this study was peformed to obtain more scientific ventilation method using by analysis and measurement of the isothermal lines according to opening of window ventilation in greenhouse, and the results are summarized as follows. 1. The ventilating amount was more influenced by rather opening amount of window than the ventilating time. 2. In window ventilation, the temperature in greenhouse was mostly changed within 5 minutes after ventilating not regard to the spot of opening, after about 10 minutes temperature became to equilibrium state under the respective ventilating conditions. 3. In opening of the skylight only, isothermal lines were complicated, therefore, a tall vegetable may be possible to damage by a cold-weather from the lower central port in greenhouse. 4. Isothermal lines were a tendency to simply in opening of a side window that may be more effective ventilation in kinds of the short vegetable. 5. In conditions of internal temperature>setting temperature>external temperature, a skylight can be suitable to open 10~20cm in order to the optimum ventilation in greenhouse. 6. In conditions of internal temperature>external temperature>setting temperature, opening of all the windows or both the side windows that can be suitable in order to obtain the optimum ventilation in greenhouse. 7. An effect of ventilation was the most excellent to open of all the windows or both the side windows, and it were also found orderly excellent to open of the side window and the skylight or the skylight only, to open of the side window only. 8. Temperature was varied as the equation of T=Tc+ (To-Tc)e-at, and the ranges of (a) values were limited within 0.34~0.68. 9. A variations of humidity were similar to that of temperature, s.

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