Evidence map›Paper›PMID 32287969›Full record

ArticleBuilding and environment2017

Human exhalation characterization with the aid of schlieren imaging technique.

Chunwen Xu, Peter V Nielsen, Li Liu, Rasmus L Jensen, Guangcai Gong

Abstract read
PubMed Full text at PMC Publisher
In one paragraph

Article in Building and environment, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 20 papers.

0numbers the graph read from it
0cells of the map it votes in
20citing papers in PubMed
5.6field-weighted citation impact, top 4% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

20 citing papers in PubMed, 132 citations in OpenAlex.

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  17. Speech can produce jet-like transport relevant to asymptomatic spreading of virus.Proceedings of the National Academy of Sciences of the United States of America · 2020
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

5 authors at 3 institutions in 2 countries.

Chunwen XuCollege of Pipeline and Civil Engineering, China University of Petroleum, Qingdao 266580, China.
Peter V NielsenDepartment of Civil Engineering, Aalborg University, Aalborg 9000, Denmark.
Li LiuDepartment of Civil Engineering, Aalborg University, Aalborg 9000, Denmark.
Rasmus L JensenDepartment of Civil Engineering, Aalborg University, Aalborg 9000, Denmark.
Guangcai GongCollege of Civil Engineering, Hunan University, Changsha 410082, China.
Aalborg University · DKChina University of Petroleum, East China · CNHunan University · CN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The purpose of this paper is to determine the dispersion and distribution characteristics of exhaled airflow for accurate prediction of disease transmission. The development of airflow dynamics of human exhalation was characterized using nonhazardous schlieren photography technique, providing a visualization and quantification of turbulent exhaled airflow from 18 healthy human subjects whilst standing and lying. The flow shape of each breathing pattern was characterized by two angles and averaged values of 18 subjects. Two exhaled air velocities,

Indexed as

Airflow interactionDisease transmissionExhaled airflowPropagation velocitySchlieren photography

Identifiers

PMID32287969
PMCPMC7111220
OpenAlexW2553314982

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.