scholarly journals Inferring Aerosol Sources from Low-Cost Air Quality Sensor Measurements: A Case Study in Delhi, India

2019 ◽  
Vol 6 (8) ◽  
pp. 467-472 ◽  
Author(s):  
David H. Hagan ◽  
Shahzad Gani ◽  
Sahil Bhandari ◽  
Kanan Patel ◽  
Gazala Habib ◽  
...  
Keyword(s):  
Air Quality ◽  
Low Cost ◽  
Aerosol Sources

scholarly journals The Use of the Internet of Things for Estimating Personal Pollution Exposure

2019 ◽  
Vol 16 (17) ◽  
pp. 3130 ◽  
Author(s):  
Keith April G. Arano ◽  
Shengjing Sun ◽  
Joaquin Ordieres-Mere ◽  
and Bing Gong
Keyword(s):  
Air Pollution ◽  
Air Quality ◽  
Internet Of Things ◽  
Policy Development ◽  
Prediction Models ◽  
Low Cost ◽  
Activity Patterns ◽  
Dynamic Feedback ◽  
Pollution Exposure

This paper proposes a framework for an Air Quality Decision Support System (AQDSS), and as a proof of concept, develops an Internet of Things (IoT) application based on this framework. This application was assessed by means of a case study in the City of Madrid. We employed different sensors and combined outdoor and indoor data with spatiotemporal activity patterns to estimate the Personal Air Pollution Exposure (PAPE) of an individual. This pilot case study presents evidence that PAPE can be estimated by employing indoor air quality monitors and e-beacon technology that have not previously been used in similar studies and have the advantages of being low-cost and unobtrusive to the individual. In future work, our IoT application can be extended to include prediction models, enabling dynamic feedback about PAPE risks. Furthermore, PAPE data from this type of application could be useful for air quality policy development as well as in epidemiological studies that explore the effects of air pollution on certain diseases.

Missing Data Estimation in a Low-Cost Sensor Network for Measuring Air Quality: a Case Study in Aburrá Valley

2021 ◽  
Vol 232 (10) ◽  
Author(s):  
León M. Rivera-Muñoz ◽  
Juan D. Gallego-Villada ◽  
Andrés F. Giraldo-Forero ◽  
Juan D. Martinez-Vargas
Keyword(s):  
Air Quality ◽  
Missing Data ◽  
Sensor Network ◽  
Low Cost ◽  
Missing Data Estimation ◽  
Data Estimation

scholarly journals Monitoring of the Environmental Corrosivity in Museums by RFID Sensors: Application to Pollution Emitted by Archeological Woods

2021 ◽  
Vol 13 (11) ◽  
pp. 6158
Author(s):  
Stephane Rioual ◽  
Benoit Lescop ◽  
Julien Pellé ◽  
Gerusa De Alkmim Radicchi ◽  
Gilles Chaumat ◽  
...  
Keyword(s):  
Thin Film ◽  
Air Quality ◽  
Low Cost ◽  
Fundamental Interest ◽  
Rfid Tag ◽  
European Project ◽  
Silver Thin Film

The control of air quality in museums or storages is of fundamental interest for the conservation of historic artifacts. The present work reports an example of application of RFID sensors developed in the European project SensMat and dedicated to this issue. The sensors are based on the variation of property of an RFID tag coupled with a sensitive silver thin film exposed to the environment. As it will be described in the paper, such low-cost sensors are interrogated by a commercial reader and provide the environmental corrosivity index and thus the presence of pollutants. The selected case study concerns the monitoring of pollution by H2S in a building dedicated to conservation and restoration of archeological and historical woods. The ability of sensors to map spatially the corrosivity within buildings is highlighted.

scholarly journals Monitoring of the Environmental Corrosivity in Museums by RFID Sensors: Application to Pollution Emitted by Archeological Woods

2021 ◽  
Author(s):  
S. Rioual ◽  
B. Lescop ◽  
J. Pellé ◽  
G. De Alkmim Radicchi ◽  
G. Chaumat ◽  
...  
Keyword(s):  
Thin Film ◽  
Air Quality ◽  
Low Cost ◽  
Fundamental Interest ◽  
Rfid Tag ◽  
European Project ◽  
Silver Thin Film

The control of air quality in museums or storages is of fundamental interest for the conservation of historic artifacts. The present work reports an example of application of RFID sensors developed in the European project SensMat and dedicated to this issue. The sensors are based on the varia-tion of property of an RFID tag coupled to a sensitive silver thin film exposed to the environment. As it will be described in the paper, such low cost sensors are interrogated by a commercial reader and provide the environmental corrosivity index and thus the presence of pollutants. The selected case study concerns the monitoring of pollution by H2S in a building dedicated to conservation and restoration of archeological and historical woods. The ability of sensors to map spatially the corrosivity within buildings is highlighted.

Indoor and outdoor air quality monitoring in hemp house — Case study

2011 ◽  
Vol 6 (3) ◽  
pp. 63-72 ◽  
Author(s):  
Jarmila Rimbalová ◽  
Silvia Vilčeková ◽  
Adriana Eštoková
Keyword(s):  
Air Quality ◽  
Quality Monitoring ◽  
Air Quality Monitoring ◽  
Outdoor Air ◽  
Outdoor Air Quality ◽  
Indoor And Outdoor

Low Temperature Fault Isolation Using Soft Defect Localization

2012 ◽  
Author(s):  
Kristopher D. Staller
Keyword(s):  
Low Temperatures ◽  
Laser Scanning ◽  
Low Cost ◽  
Fault Isolation ◽  
Laser Scanning Microscopy ◽  
Cold Temperature ◽  
Multiple Point ◽  
Defect Localization ◽  
Low Levels

Abstract Cold temperature failures are often difficult to resolve, especially those at extreme low levels (< -40°C). Momentary application of chill spray can confirm the failure mode, but is impractical during photoemission microscopy (PEM), laser scanning microscopy (LSM), and multiple point microprobing. This paper will examine relatively low-cost cold temperature systems that can hold samples at steady state extreme low temperatures and describe a case study where a cold temperature stage was combined with LSM soft defect localization (SDL) to rapidly identify the cause of a complex cold temperature failure mechanism.

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