Interfacial mechanisms governing cyclopentane clathrate hydrate adhesion/cohesion |
| |
Authors: | Aman Zachary M Brown Erika P Sloan E Dendy Sum Amadeu K Koh Carolyn A |
| |
Affiliation: | Center for Hydrate Research, Dept. of Chemical Engineering, Colorado School of Mines, Golden, Colorado 80401, USA. |
| |
Abstract: | The present work uses a micromechanical force apparatus to directly measure cyclopentane clathrate hydrate cohesive force and hydrate-steel adhesive force, as a function of contact time, contact force and temperature. We present a hydrate interparticle force model, which includes capillary and sintering contributions and is based on fundamental interparticle force theories. In this process, we estimate the cyclopentane hydrate tensile strength to be approximately 0.91 MPa. This hydrate interparticle force model also predicts the effect of temperature on hydrate particle cohesion force. Finally, we present the first direct measurements of hydrate cohesive force in the gas phase to be 9.1 ± 2.1 mN/m at approximately 3 °C (as opposed to 4.3 ± 0.4 mN/m in liquid cyclopentane). |
| |
Keywords: | |
本文献已被 PubMed 等数据库收录! |
|