Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Parameters Affecting Nonlinear Elimination: Zero-Order Input, First-Order Absorption and Two-Compartment Model01:13

Parameters Affecting Nonlinear Elimination: Zero-Order Input, First-Order Absorption and Two-Compartment Model

180
Drugs administered through various routes can lead to nonlinear elimination, resulting in complex pharmacokinetic behaviors crucial to understanding efficacious drug dosing.
When a drug is administered through a constant intravenous infusion and eliminated via nonlinear pharmacokinetics, it follows zero-order input. For example, oral drugs undergo first-order absorption upon administration and are eliminated through nonlinear pharmacokinetics.
In the case of subcutaneously administered drugs,...
180
Electrostatic Boundary Conditions01:16

Electrostatic Boundary Conditions

774
Consider an external electric field propagating through a homogeneous medium. When the electric field crosses the surface boundary of the medium, it undergoes a discontinuity. The electric field can be resolved into normal and tangential components. The amount by which the field changes at any boundary is given by the difference between the field components above and below the surface boundary.
The surface integral of an electric field is given by Gauss's law in integral form and is related to...
774
Boundary Layer Characteristics01:18

Boundary Layer Characteristics

336
When a fluid encounters a solid surface, a boundary layer forms due to the interaction between the fluid's motion and the stationary surface. This phenomenon is characterized by a thin region adjacent to the surface where viscous forces dominate, influencing the fluid's velocity profile. The development of the boundary layer begins at the leading edge of the surface and evolves as the fluid moves downstream.As the fluid flows over the surface, friction between the fluid and the wall slows down...
336
Magnetostatic Boundary Conditions01:28

Magnetostatic Boundary Conditions

1.4K
An electric field suffers a discontinuity at a surface charge. Similarly, a magnetic field is discontinuous at a surface current. The perpendicular component of a magnetic field is continuous across the interface of two magnetic mediums. In contrast, its parallel component, perpendicular to the current, is discontinuous by the amount equal to the product of the vacuum permeability and the surface current. Like the scalar potential in electrostatics, the vector potential is also continuous...
1.4K
Boundary Conditions for Current Density01:25

Boundary Conditions for Current Density

1.2K
Current density becomes discontinuous across an interface of materials with different electrical conductivities. The normal component of the current density is continuous across the boundary.
1.2K
Physical Principles Governing Gas Exchange01:16

Physical Principles Governing Gas Exchange

2.8K
Gas behavior plays a vital role in understanding bodily processes such as external and internal respiration. External respiration involves the diffusion of oxygen into the blood and carbon dioxide out of it in the lungs. In contrast, internal respiration happens in body tissues, where these gases move in opposite directions.
Gas Laws Governing Respiration
The behavior of gases is guided by Dalton's Law of partial pressures and Henry's Law.
Dalton's Law asserts that the total...
2.8K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

The Psoriatic Disease Assessment Index (PSODAI) Score to Evaluate Systemic Involvement of Psoriasis.

Psoriasis (Auckland, N.Z.)·2026
Same author

Epidemiological Profile of Psoriasis and Linked Comorbidities in Chinese Population at Shenzhen: A Cross-Sectional Study.

Health science reports·2025
Same author

Study on kinetics and thermsodynamics of municipal solid waste incineration fly ash in air and N2 atmospheres.

PloS one·2025
Same author

Cutaneous and systemic improvements in psoriasis patients after different biologic treatments in a real-world longitudinal prospective study.

Scientific reports·2025
Same author

Comment on "Modeling the settling and resuspension of microplastics in rivers: Effect of particle properties and flow conditions", published by Akdogan and Guven [Water Research 260 (2024) 121900].

Water research·2025
Same author

Volatilization and Retention of Metallic and Non-Metallic Elements During Thermal Treatment of Fly Ash.

Materials (Basel, Switzerland)·2025

Related Experiment Video

Updated: Nov 24, 2025

Lab-Scale Model to Evaluate Odor and Gas Concentrations Emitted by Deep Bedded Pack Manure
06:52

Lab-Scale Model to Evaluate Odor and Gas Concentrations Emitted by Deep Bedded Pack Manure

Published on: July 19, 2018

6.6K

Modeling VOCs emission/sorption with variable operating parameters and general boundary conditions.

Baoqing Deng1, Haiyan Zhang1, Jiming Wu1

  • 1Department of Environmental Science and Engineering, University of Shanghai for Science and Technology, Shanghai, 200093, PR China.

Environmental Pollution (Barking, Essex : 1987)
|December 28, 2020
PubMed
Summary

A new model simulates volatile organic compound (VOC) emission and sorption in building materials, accurately predicting indoor air quality under various environmental conditions. Ventilation effectively reduces indoor VOC levels.

Keywords:
Building materialGITTIndoor air qualityMass transferVOCs emission/Sorption

More Related Videos

Atomic Layer Deposition of Vanadium Dioxide and a Temperature-dependent Optical Model
11:10

Atomic Layer Deposition of Vanadium Dioxide and a Temperature-dependent Optical Model

Published on: May 23, 2018

12.2K
A Rapid Method for Modeling a Variable Cycle Engine
04:58

A Rapid Method for Modeling a Variable Cycle Engine

Published on: August 13, 2019

7.8K

Related Experiment Videos

Last Updated: Nov 24, 2025

Lab-Scale Model to Evaluate Odor and Gas Concentrations Emitted by Deep Bedded Pack Manure
06:52

Lab-Scale Model to Evaluate Odor and Gas Concentrations Emitted by Deep Bedded Pack Manure

Published on: July 19, 2018

6.6K
Atomic Layer Deposition of Vanadium Dioxide and a Temperature-dependent Optical Model
11:10

Atomic Layer Deposition of Vanadium Dioxide and a Temperature-dependent Optical Model

Published on: May 23, 2018

12.2K
A Rapid Method for Modeling a Variable Cycle Engine
04:58

A Rapid Method for Modeling a Variable Cycle Engine

Published on: August 13, 2019

7.8K

Area of Science:

  • Environmental Science
  • Building Physics
  • Indoor Air Quality

Background:

  • Volatile organic compounds (VOCs) emitted from building materials significantly impact indoor air quality.
  • Understanding the dynamic processes of VOC emission and sorption is crucial for healthy indoor environments.
  • Existing models often lack the flexibility to account for variable environmental factors.

Purpose of the Study:

  • To develop an integrated model for VOC emission and sorption in dry building materials.
  • To provide an analytical solution for simulating VOC behavior under general boundary conditions.
  • To investigate the influence of environmental parameters on VOC concentrations and material interactions.

Main Methods:

  • Development of an integrated mathematical model for VOC emission/sorption.
  • Application of the generalized integral transform technique for an analytical solution.
  • Comparison of model predictions with experimental data for validation.

Main Results:

  • The model accurately predicts VOC behavior, showing good agreement with experimental data.
  • Environmental conditions, such as ventilation rates and inlet concentrations, were found to significantly affect VOC levels.
  • Material surfaces can act as both sources and sinks for VOCs, with dynamics influenced by mass transfer coefficients and concentration fluctuations.
  • Increased ventilation effectively reduces indoor VOC concentrations and material loading.

Conclusions:

  • The developed integrated model provides a robust tool for simulating indoor air quality related to VOC emission and sorption.
  • The study highlights the critical role of environmental factors and ventilation in managing indoor VOC pollution.
  • The findings contribute to better design and material selection for healthier buildings.