Effects of energy retrofits on Indoor Air Quality in multifamily buildings.

abstract：UNLABELLED:Continuous emission of unipolar ions has been shown to improve the performance of respirators and stationary filters challenged with non-biological particles. In this study, we investigated the ion-induced enhancement effect while challenging a low-efficiency heating, ventilation and air-conditioning (HVAC) ...

journal_title：Indoor air

authors： Huang R,Agranovski I,Pyankov O,Grinshpun S

更新日期：2008-04-01 00:00:00

abstract：UNLABELLED:A comparison study of novel collection methods for airborne bacteria and endotoxin was performed in an environmentally controlled chamber and in pilot-field studies. Airborne particulate matter was collected in swirling liquid impingers, air-monitoring filter cassettes, and with a micro-orifice uniform depos...

journal_title：Indoor air

authors： Kujundzic E,Hernandez M,Miller SL

更新日期：2006-06-01 00:00:00

abstract：UNLABELLED:Indoor air quality (IAQ) has been a matter of public concern these days whereas air pollution is normally monitored outdoors as part of obligations under the National air quality strategies. Much little is known about levels of air pollution indoors. Simultaneous measurements of indoor and outdoor carbon mon...

journal_title：Indoor air

authors： Lawrence AJ,Masih A,Taneja A

更新日期：2005-04-01 00:00:00

abstract：UNLABELLED:Building-related symptoms in office workers worldwide are common, but of uncertain etiology. One cause may be contaminants related to characteristics of heating, ventilating, and air-conditioning (HVAC) systems. We analyzed data from 97 representative air-conditioned US office buildings in the Building Asses...

journal_title：Indoor air

authors： Mendell MJ,Lei-Gomez Q,Mirer AG,Seppänen O,Brunner G

更新日期：2008-08-01 00:00:00

abstract：:A portion of electronic equipment failures is a consequence of particle deposition on electronic circuits in normal indoor environments. Deposited hygroscopic particles reduce the electrical isolation (EI) between conductors. In laboratory experiments, we investigated the mechanisms, locations, and effects of particle...

journal_title：Indoor air

authors： Litvak A,Gadgil AJ,Fisk WJ

更新日期：2000-03-01 00:00:00

abstract：:Carbon monoxide (CO) alarms are extensively used in domestic premises in the UK to help protect against CO poisoning. Their expected lifetime has been increasing, and some current models now have a replacement period of more than 6 years under normal operation. However, concerns have been expressed as to the reliabili...

journal_title：Indoor air

authors： Naylor S,Walsh PT,Dowker KP

更新日期：2013-08-01 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：UNLABELLED:Indoor exposures to allergens, mold spores, and endotoxin have been suggested as etiological agents of asthma; therefore, accurate determination of those exposures, especially in young children (6-36 months), is important for understanding the development of asthma. Because use of personal sampling equipment...

journal_title：Indoor air

authors： Wang Z,Shalat SL,Black K,Lioy PJ,Stambler AA,Emoekpere OH,Hernandez M,Han T,Ramagopal M,Mainelis G

更新日期：2012-04-01 00:00:00

abstract：:A mechanistic model that considers particle dynamics and their effects on surface emissions and sorptions was developed to predict the fate and transport of phthalates in indoor environments. A controlled case study was conducted in a test house to evaluate the model. The model-predicted evolving concentrations of ben...

journal_title：Indoor air

authors： Liang Y,Bi C,Wang X,Xu Y

更新日期：2019-01-01 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:Meteorological factors such as relative humidity directly correlate with airborne fungal levels outdoors and indoors. While dehumidification alone is effective at reducing moisture necessary for mold growth, it is inadequate as a single intervention as it does not remove viable and non-viable fungal spores t...

journal_title：Indoor air

authors： Bernstein JA,Levin L,Crandall MS,Perez A,Lanphear B

更新日期：2005-12-01 00:00:00

abstract：:Dispersion characteristics of expiratory aerosols were investigated in an enclosure with two different idealized airflow patterns: the ceiling-return and the unidirectional downward. A multiphase numerical model, which was able to capture the polydispersity and evaporation features of the aerosols, was adopted. Experi...

journal_title：Indoor air

authors： Chao CY,Wan MP

更新日期：2006-08-01 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：:This paper reports the comparison of three measuring methods for quantifying the amount of dust on the inner surface of ventilation ducts: 1) a vacuum test method; 2) a gravimetric tape method; and 3) an optical method. Thirteen recently constructed buildings were selected for the field test in the Helsinki metropolit...

journal_title：Indoor air

authors： Holopainen R,Asikainen V,Pasanen P,Seppänen O

更新日期：2002-03-01 00:00:00

abstract：:This study aims to develop an approach to couple a computational fluid dynamics (CFD) solver to the University of California, Berkeley (UCB) thermal comfort model to accurately evaluate thermal comfort. The coupling was made using an iterative JavaScript to automatically transfer data for each individual segment of th...

journal_title：Indoor air

authors： Voelker C,Alsaad H

更新日期：2018-05-01 00:00:00

abstract：UNLABELLED:  Ingestion of indoor dust has been acknowledged as an important route of exposure to organic contaminants (OCs). We investigated the presence of polybrominated diphenyl ethers (PBDEs), novel brominated flame retardants (NBFRs), organophosphate flame retardants (OPFRs), polychlorinated biphenyls (PCBs), and ...

journal_title：Indoor air

authors： Ali N,Van den Eede N,Dirtu AC,Neels H,Covaci A

更新日期：2012-06-01 00:00:00

abstract：:The inhalation of (222) Rn (radon) decay products is one of the most important reasons for lung cancer after smoking. Stony building materials are an important source of indoor radon. This article describes the determination of the exhalation rate of stony construction materials by the use of commercially available me...

journal_title：Indoor air

authors： Richter M,Jann O,Kemski J,Schneider U,Krocker C,Hoffmann B

更新日期：2013-10-01 00:00:00

abstract：:There is growing awareness that indoor exposure to particulate matter with diameter ≤ 2.5 μm (PM2.5 ) is associated with an increased risk of adverse health effects. Cooking is a key indoor source of PM2.5 and an activity conducted daily in most homes. Population scale models can predict occupant exposures to PM2.5 , ...

journal_title：Indoor air

authors： O'Leary C,de Kluizenaar Y,Jacobs P,Borsboom W,Hall I,Jones B

更新日期：2019-05-01 00:00:00

abstract：UNLABELLED:In this study, single-particle characterization of aerosol particles collected at an underground shopping area was performed for the first time. A quantitative single-particle analytical technique, low-Z particle electron probe X-ray microanalysis, was used to characterize a total of 7900 individual particle...

journal_title：Indoor air

authors： Maskey S,Kang T,Jung HJ,Ro CU

更新日期：2011-02-01 00:00:00

abstract：UNLABELLED:Ventilation performance and pollutant distribution in a traditional ceiling-type ventilation system, a top-return (TR)-type and a floor-return (FR)-type underfloor ventilation systems were performed in a controlled experimental room. Tracer gas method was utilized to determine the age of air and the contamin...

journal_title：Indoor air

authors： Chao CY,Wan MP

更新日期：2004-10-01 00:00:00

abstract：:Evidence is accumulating that indoor dampness and mold are associated with the development of asthma. The underlying mechanisms remain unknown. New Zealand has high rates of both asthma and indoor mold and is ideally placed to investigate this. We conducted an incident case-control study involving 150 children with ne...

journal_title：Indoor air

authors： Shorter C,Crane J,Pierse N,Barnes P,Kang J,Wickens K,Douwes J,Stanley T,Täubel M,Hyvärinen A,Howden-Chapman P,Wellington Region General Practitioner Research Network.

更新日期：2018-01-01 00:00:00

abstract：:This study involved the development of a model for evaluating the potential costs and benefits of ozone control by activated carbon filtration in single-family homes. The modeling effort included the prediction of indoor ozone with and without activated carbon filtration in the HVAC system. As one application, the mod...

journal_title：Indoor air

authors： Aldred JR,Darling E,Morrison G,Siegel J,Corsi RL

更新日期：2016-06-01 00:00:00

abstract：UNLABELLED:The present paper outlines a modeling approach, which has been developed to model the internal dynamics of heat and moisture transfer in an imperfectly mixed ventilated airspace. The modeling approach, which combines the classical heat and moisture balance differential equations with the use of experimental ...

journal_title：Indoor air

authors： Janssens K,Van Brecht A,Zerihun Desta T,Boonen C,Berckmans D

更新日期：2004-06-01 00:00:00

abstract：:Few measurements of exposure to secondhand smoke (SHS) in close proximity to a smoker are available. Recent health studies have demonstrated an association between acute (<2 h) exposures to high concentrations of SHS and increased risk of cardiovascular and respiratory disease. We performed 15 experiments inside natur...

journal_title：Indoor air

authors： Acevedo-Bolton V,Ott WR,Cheng KC,Jiang RT,Klepeis NE,Hildemann LM

更新日期：2014-04-01 00:00:00

abstract：:Thermal stratification is established when warmer air rises and cooler air descends under thermal buoyancy. It occurs in indoor environment situations including large warehouse-type buildings, buoyancy-driven ventilated spaces with displacement, underfloor ventilation, and/or natural ventilation, and enclosure fires w...

journal_title：Indoor air

authors： Wang LL,Zhang X,Qi D

更新日期：2019-03-01 00:00:00

abstract：:A nationwide cross-sectional study of 3335 employees was conducted in 320 offices in Japan to estimate the prevalence of building-related symptoms (BRSs) and determine the risk factors related to work environment, Indoor Air Quality, and occupational stress. Data were collected through self-administered questionnaires...

journal_title：Indoor air

authors： Azuma K,Ikeda K,Kagi N,Yanagi U,Osawa H

更新日期：2015-10-01 00:00:00

abstract：:Tuberculosis (TB) remains the airborne infection of global importance, although many environmental interventions to control TB apply to influenza and other infections with airborne potential. This review focuses on the global problem and the current state of available environmental interventions. TB transmission is fa...

journal_title：Indoor air

authors： Nardell EA

更新日期：2016-02-01 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：:It is inappropriate to use the assumption of instantaneously well-mixed zones to model airflows and pollutant transport in large indoor spaces. We investigate two approaches for describing the details of airflows in large indoor spaces, for accuracy and suitability for integration with multi-zone infiltration models. ...

journal_title：Indoor air

authors： Mora L,Gadgil AJ,Wurtz E

更新日期：2003-06-01 00:00:00

abstract：:Variable methods of dust collection may lead to uncertainty in the measurement of biomarkers. The purpose of this study was to examine the effect of two different dust collection devices on dust weight, Der p 1, Fel d 1, and endotoxin levels. We compared: (1) a nylon mesh sock inserted between the furniture attachment...

journal_title：Indoor air

authors： Wickens K,Lane J,Siebers R,Ingham T,Crane J

更新日期：2004-06-01 00:00:00