Field study on occupant comfort and the office thermal environment in rooms with displacement ventilation.

abstract：UNLABELLED:This paper reports the abundance in indoor air and dust of eleven organophosphate esters and six phthalate esters. Both groups of these semi-volatile compounds are widely incorporated as additives into plastic materials used in the indoor environment, thus contributing to indoor exposure to industrial chemic...

journal_title：Indoor air

authors： Bergh C,Torgrip R,Emenius G,Ostman C

更新日期：2011-02-01 00:00:00

abstract：:A significant number of consumer goods and building materials can act as emission sources of flame retardants (FRs) in the indoor environment. We investigate the relationship between the emission source strength and the levels of 19 brominated flame retardants (BFRs) and seven organophosphate flame retardants (OPFRs) ...

journal_title：Indoor air

authors： Liagkouridis I,Cequier E,Lazarov B,Palm Cousins A,Thomsen C,Stranger M,Cousins IT

更新日期：2017-05-01 00:00:00

abstract：UNLABELLED:Measurements of combustion product concentrations were taken in 30 homes where unvented gas fireplaces were used. Measurements of CO, CO(2), NO(x), NO(2) , O(2) (depletion), and water vapor were taken at 1-min interval. The analyzers were calibrated with certified calibration gases for each placement and wer...

journal_title：Indoor air

authors： Francisco PW,Gordon JR,Rose B

更新日期：2010-10-01 00:00:00

abstract：UNLABELLED:In studying productivity, effects of environmental factors have focused only on performance. However, previous studies of the impact of the environment upon performance of mental tasks generally conclude that productivity research is somewhat confusing because the results are sometimes conflicting. In experi...

journal_title：Indoor air

authors： Tanabe S,Nishihara N

更新日期：2004-01-01 00:00:00

abstract：:Analysis of the dust from heating, ventilation, and air conditioning (HVAC) filters is a promising long-term sampling method to characterize airborne particle-bound contaminants. This filter forensics (FF) approach provides valuable insights about differences between buildings, but does not allow for an estimation of ...

journal_title：Indoor air

authors： Givehchi R,Maestre JP,Bi C,Wylie D,Xu Y,Kinney KA,Siegel JA

更新日期：2019-05-01 00:00:00

abstract：:High-efficiency particulate air (HEPA) filtration in combination with an electrostatic precipitator (ESP) can be a cost-effective approach to reducing indoor particulate exposure, but ESPs produce ozone. The health effect of combined ESP-HEPA filtration has not been examined. We conducted an intervention study in 89 v...

journal_title：Indoor air

authors： Day DB,Xiang J,Mo J,Clyde MA,Weschler CJ,Li F,Gong J,Chung M,Zhang Y,Zhang J

更新日期：2018-05-01 00:00:00

abstract：UNLABELLED:The aim of this experiment was to test if healthy persons respond to exposures to normal office dust with objective or subjective effects in a dose-related way. If they did, the importance of their personal characteristics should be investigated. This paper presents the results related to respiratory effects...

journal_title：Indoor air

authors： Mølhave L,Kjaergaard SK,Attermann J

更新日期：2004-12-01 00:00:00

abstract：:Ultrafine particles are observed when metal surfaces, such as heating elements in electric appliances, or even empty cooking pans, are heated. The source of the particles has not been identified. We present evidence that particles >10 nm are not emitted directly from the heating elements or the metal surfaces. Using r...

journal_title：Indoor air

authors： Wallace LA,Ott WR,Weschler CJ

更新日期：2015-10-01 00:00:00

abstract：:Available studies indicate that indoor air pollution (IAP) from household cooking and space heating apparently causes substantial ill-health in developing countries where the majority of households rely on solid fuels (coal or biomass as wood, crop residues, and dung), but there are many remaining uncertainties. To pi...

journal_title：Indoor air

authors： Smith KR

更新日期：2002-09-01 00:00:00

abstract：UNLABELLED:Quasi-ultrafine (quasi-UF) particulate matter (PM(0.25)) and its components were measured in indoor and outdoor environments at four retirement communities in Los Angeles Basin, California, as part of the Cardiovascular Health and Air Pollution Study (CHAPS). The present paper focuses on the characterization...

journal_title：Indoor air

authors： Arhami M,Minguillón MC,Polidori A,Schauer JJ,Delfino RJ,Sioutas C

更新日期：2010-02-01 00:00:00

abstract：UNLABELLED:Numerous techniques have been developed over the years for reducing aerosol exposure in indoor air environments. Among indoor air purifiers of different types, ionic emitters have gained increasing attention and are presently used for removing dust particles, aeroallergens and airborne microorganisms from in...

journal_title：Indoor air

authors： Grinshpun SA,Mainelis G,Trunov M,Adhikari A,Reponen T,Willeke K

更新日期：2005-08-01 00:00:00

abstract：:This paper characterizes the relationship between occupant activities and indoor air particulate levels in a non-smoking office building. Occupant activities were recorded on video. Particulate concentrations were monitored by three optical particle counters (OPCs) in five size ranges at three heights. Particulate mas...

journal_title：Indoor air

authors： Luoma M,Batterman SA

更新日期：2001-03-01 00:00:00

abstract：:Traditionally, houses in the US have been ventilated by passive infiltration in combination with active window opening. However in recent years, the construction quality of residential building envelopes has been improved to reduce infiltration, and the use of windows for ventilation also may have decreased due to a n...

journal_title：Indoor air

authors： Sherman MH,Hodgson AT

更新日期：2004-02-01 00:00:00

abstract：:We developed a novel, compact upper-room ultraviolet germicidal irradiation system with light-emitting diode sources (UR-UVGI-LED) to enhance the disinfection of bioaerosols in an enclosed room space. Its effectiveness was evaluated and compared with the conventional upper-room ultraviolet germicidal irradiation syste...

journal_title：Indoor air

authors： Nunayon SS,Zhang H,Lai ACK

更新日期：2020-01-01 00:00:00

abstract：:It has not yet been possible to quantify dose-related health risks attributable to indoor dampness or mold (D/M), to support setting specific health-related limits for D/M. An overlooked target for assessing D/M is moisture in building materials, the critical factor allowing microbial growth. A search for studies of q...

journal_title：Indoor air

authors： Mendell MJ,Macher JM,Kumagai K

更新日期：2018-07-01 00:00:00

abstract：:Airtight construction and high-performance thermal insulation materials are commonly considered important building features to enhance indoor thermal comfort while reducing thermal load. However, when water vapor is generated in such airtight indoor spaces, it cannot be discharged to the outside, causing interstitial ...

journal_title：Indoor air

authors： Lee H,Ozaki A,Lee M,Yamamoto T

更新日期：2020-03-01 00:00:00

abstract：UNLABELLED:We designed and tested a sampling and analysis system for quantitative measurement of airborne cockroach allergen with sufficient sensitivity for residential exposure assessment. Integrated 1-week airborne particle samples were collected at 10-15 LPM in 19 New York City apartments in which an asthmatic child...

journal_title：Indoor air

authors： Esposito WA,Chew GL,Correa JC,Chillrud SN,Miller RL,Kinney PL

更新日期：2011-12-01 00:00:00

abstract：UNLABELLED:The aim was to investigate the association between building-related symptoms (BRS) in office buildings and the inflammatory potency of dust (PD). Furthermore, the association between dust potency and various building characteristics was investigated. Occupants of 22 office buildings received a retrospective ...

journal_title：Indoor air

authors： Allermann L,Pejtersen J,Gunnarsen L,Poulsen OM

更新日期：2007-12-01 00:00:00

abstract：UNLABELLED:Indoor air organic compounds were continuously monitored during 3 years in new and older homes which were voluntarily selected throughout countries. The levels of volatile organic compounds (VOCs) in the new homes decreased markedly after 1 year, and steady emissions of VOCs were obtained in the initial mont...

journal_title：Indoor air

authors： Park JS,Ikeda K

更新日期：2006-04-01 00:00:00

abstract：:In the context of airborne infection control, it is critical that the ventilation system is able to extract the contaminated exhaled air within the shortest possible time. To minimize the spread of contaminated air exhaled by occupants efficiently, a novel personalized ventilation (PV)-personalized exhaust (PE) system...

journal_title：Indoor air

authors： Yang J,Sekhar SC,Cheong KW,Raphael B

更新日期：2015-04-01 00:00:00

abstract：:Energy-efficient building refurbishment has the aim of saving energy and thus reducing CO2 emissions. Increased energy efficiency of a building often implies reduced air exchange. Together with other indoor air quality problems, this may lead to an increase in indoor radon concentration (Rn-222). In order to investiga...

journal_title：Indoor air

authors： Meyer W

更新日期：2019-07-01 00:00:00

abstract：UNLABELLED:With the capability to improve indoor air quality while simultaneously reducing energy demand, displacement ventilation is becoming popular. However, the numerical simulation of air distribution in an indoor space with displacement ventilation using computational fluid dynamics (CFD) is challenging because o...

journal_title：Indoor air

authors： Zhang TT,Lee K,Chen QY

更新日期：2009-06-01 00:00:00

abstract：:As a basis for determining the lower limit of acceptable humidity in an indoor environment, experiments were conducted for 25 subjects to assess the maximum expected sensations of dryness, discomfort based on humidity, and intolerance based on humidity, under conditions of 26°C and 10% RH. As results, distinct negativ...

journal_title：Indoor air

authors： Takada S

更新日期：2021-01-01 00:00:00

abstract：UNLABELLED:Air movement--good or bad? The question can only be answered by those who are exposed when they are exposed. Human perception of air movement depends on environmental factors including air velocity, air velocity fluctuations, air temperature, and personal factors such as overall thermal sensation and activit...

journal_title：Indoor air

authors： Toftum J

更新日期：2004-01-01 00:00:00

abstract：:This study assessed the collection efficiency (CE) of two popularly used sampling devices (BioSampler and Coriolis sampler) for fungal aerosols. Phosphate-buffered saline (PBS) supplemented with or without surfactant (Tween-20, Tween-80, or Triton X-100) and antifoam agent was prepared and used as collection liquids. ...

journal_title：Indoor air

authors： Chang CW,Ting YT,Horng YJ

更新日期：2019-05-01 00:00:00

abstract：:Field measurements were collected through physical measurements and observations in the cities of Seoul, Korea; Eugene and Portland, Oregon; and Yokohama, Japan, during the fall, winter, and summer seasons from 2005 to 2006. A total of 1733 data sets were collected (Seoul - 713; Oregon - 807; Yokohama - 213) in variet...

journal_title：Indoor air

authors： Kim H,Chun C,Kwok A,Ota A,Tamura A

更新日期：2011-08-01 00:00:00

abstract：:Ventilation is pivotal in terms of securing optimum indoor air quality. In addition, it also has a major impact on energy use in buildings. It is important, therefore, that the role and impact of ventilation is fully understood and that ventilation is employed efficiently. The purpose of this paper is to review these ...

journal_title：Indoor air

authors： Liddament MW

更新日期：2000-09-01 00:00:00

abstract：:Portable air cleaners are increasingly used in polluted areas in an attempt to reduce human exposure; however, there has been limited work characterizing their effectiveness at reducing exposure. With this in mind, we recruited forty-three children with asthma from suburban Shanghai and deployed air cleaners (with HEP...

journal_title：Indoor air

authors： Barkjohn KK,Norris C,Cui X,Fang L,Zheng T,Schauer JJ,Li Z,Zhang Y,Black M,Zhang JJ,Bergin MH

更新日期：2021-01-01 00:00:00

abstract：:Bioaerosol concentrations in residential buildings located in the Northeastern US have not been widely studied. Here, in 2011-2015, we studied the presence and seasonal variability of culturable fungi and bacteria in three multi-family apartment buildings and correlated the bioaerosol concentrations with building vent...

journal_title：Indoor air

authors： Myers NT,Calderón L,Pavilonis B,Wang Z,Xiong Y,Sorensen-Allacci M,Plotnik D,Senick J,Gong J,Krogmann U,Andrews CJ,Mainelis G

更新日期：2020-09-15 00:00:00

abstract：:This article reports the results of an investigation, based on fundamental fluid dynamics and mass transfer theory, carried out to obtain a general understanding of the mechanisms involved in the emissions from building materials in ventilated rooms. In addition, a generally applicable method for the prediction of sur...

journal_title：Indoor air

authors： Topp C,Nielsen PV,Heiselberg P

更新日期：2001-09-01 00:00:00