Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Indeterminate Structure

Indeterminate Structure

Indeterminate structures refer to structures where internal forces and reactions cannot be determined using only the equations of static equilibrium. Indeterminate structures have more unknown forces and reaction forces than equations of static equilibrium that can be used to determine them. Indeterminate structures are often used in engineering to create complex, efficient, and aesthetically pleasing structures. There are various types of indeterminate structures used in engineering and...

Euler's Formula for Pin-Ended Columns

Euler's Formula for Pin-Ended Columns

In structural engineering, the stability of columns under compressive axial loads is a critical consideration, described as buckling. A typical example involves a column PQ, which is pin-connected at both ends and subjected to a centric axial load F applied at one end, with a reaction force of F' = -F at the other end. Here, it is crucial to understand that when an applied load exceeds the critical load, buckling occurs as the system becomes unstable.
To calculate the critical load, envision...

Euler's Formula to Columns with Other End Conditions

Euler's Formula to Columns with Other End Conditions

Euler's formula is very important in the field of structural engineering, providing a foundation for understanding the critical loading conditions of pin-ended columns. This formula links the modulus of elasticity, the moment of inertia of the cross-section, and the column's length, offering a precise calculation of the critical load at which a column is prone to buckling.

Euler's Formula to Columns: Problem Solving

Euler's Formula to Columns: Problem Solving

Euler's formula is used in structural engineering to determine the buckling load of columns under various conditions. However, when dealing with systems that incorporate both rigid elements and elastic components, such as springs, the analysis requires a finer approach to determine the critical load. The problem described involves two rigid bars connected at a pivot point with a spring attached and a vertical load applied at one end.
The system comprises two vertical rigid bars, AB and BC, of...

Design of Columns under a Centric Load

Design of Columns under a Centric Load

The design of columns under centric load is a fundamental aspect of structural engineering and is critical for ensuring the stability and integrity of structures. Euler's and Secant's formulas are central to understanding and calculating the critical load and deformation behaviors of columns, providing a basis for safe and effective structural design.
Euler's formula is applicable under the assumption that the column is a perfect, straight, homogenous prism, and it is operating...

Design of Columns under an Eccentric Load

Design of Columns under an Eccentric Load

Designing columns to withstand eccentric loads is a critical aspect of structural engineering, ensuring structures can support off-center loads without failure. This design process must account for the additional normal stresses introduced by eccentric loading, which can significantly influence a column's stress distribution and overall stability. An eccentric load applied to a column induces normal stresses that can be conceptualized as a combination of stresses due to an equivalent...

You might also read

Related Articles

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

Sort by

Same author

New equations of column performance in liquid chromatography.

Journal of chromatography. A·2026

Same author

Relation between dimensionless parameters of LC columns.

Journal of chromatography. A·2025

Same author

Generic gradient elution RPLC analyses.

Journal of chromatography. A·2025

Same author

Knox-Saleem kinetic performance limits in liquid chromatography. Part 2: Alternative interpretation - No upper limit to separation performance.

Journal of chromatography. A·2025

Same author

Chromatographic parameters: Transport efficiency-A meaningful alternative to the plate number parameter.

Journal of chromatography. A·2024

Same author

The best structures of LC columns-A theoretical perspective.

Journal of chromatography. A·2024

Search research articles

Related Experiment Video

Updated: Jun 26, 2026

Oscillation and Reaction Board Techniques for Estimating Inertial Properties of a Below-knee Prosthesis

Oscillation and Reaction Board Techniques for Estimating Inertial Properties of a Below-knee Prosthesis

Published on: May 8, 2014

Kinetic properties of open rectangular columns (based on Poppe data).

Leonid M Blumberg¹

¹Advachrom, P.O. Box 1243, Wilmington, DE 19801, USA.

Journal of Chromatography. A

|October 3, 2025

Summary

This summary is machine-generated.

This study developed a continuous model for rectangular column performance, enabling direct comparison with other column types. This advances chromatographic separation analysis by providing a unified performance metric.

Keywords:

Circular columns, Kinetic performance factor Peclet number Planar columns Rectangular columns

More Related Videos

A Coupled Experiment-finite Element Modeling Methodology for Assessing High Strain Rate Mechanical Response of Soft Biomaterials

A Coupled Experiment-finite Element Modeling Methodology for Assessing High Strain Rate Mechanical Response of Soft Biomaterials

Published on: May 18, 2015

Experimental Methods to Study Human Postural Control

Experimental Methods to Study Human Postural Control

Published on: September 11, 2019

Related Experiment Videos

Last Updated: Jun 26, 2026

Oscillation and Reaction Board Techniques for Estimating Inertial Properties of a Below-knee Prosthesis

Oscillation and Reaction Board Techniques for Estimating Inertial Properties of a Below-knee Prosthesis

Published on: May 8, 2014

A Coupled Experiment-finite Element Modeling Methodology for Assessing High Strain Rate Mechanical Response of Soft Biomaterials

A Coupled Experiment-finite Element Modeling Methodology for Assessing High Strain Rate Mechanical Response of Soft Biomaterials

Published on: May 18, 2015

Experimental Methods to Study Human Postural Control

Experimental Methods to Study Human Postural Control

Published on: September 11, 2019

Area of Science:

Analytical Chemistry
Chemical Engineering
Chromatography

Background:

Discrete simulation data for rectangular columns lacks comparability with other column types.
Existing dimensionless plate height (h) data is insufficient for cross-method performance evaluation.

Purpose of the Study:

To derive a continuous relationship between rectangular column dimensions and performance.
To enable performance comparison of rectangular columns with other chromatographic structures.

Main Methods:

Least squares curve-fitting applied to discrete computer simulation data.
Transformation of dimensionless plate height (h) data into kinetic performance factor (q) data.
Curve-fitting to establish continuous dependency of q on column cross-sectional dimensions.

Main Results:

A continuous function describing the kinetic performance factor (q) of rectangular columns based on their dimensions was obtained.
The derived q-data allows for direct performance comparison between rectangular and other column types.
The study provides a unified approach to evaluate chromatographic column efficiency.

Conclusions:

The developed continuous model overcomes limitations of discrete data for performance comparison.
This work facilitates more accurate and comprehensive evaluation of chromatographic column technologies.
The kinetic performance factor (q) offers a standardized metric for column assessment.