使用功能化BN,CN和BCN纳米颗粒的以behran油为基础的纳米流体的热和学性能
Fatemeh Abdolahi1, Amir Heydarinasab2, Alimorad Rashidi3
1Department of Chemical Engineering, SR.C., Islamic Azad University, Tehran, Iran.
Scientific reports
|August 27, 2025
概括
这项研究评估了以Behran油为基础的纳米流体中的化物纳米颗粒 (化物,碳化物,碳化物). 化提高了导热性,而碳化提高了特定热容量,对潜在的滑剂应用而言,粘度增加最小.
科学领域:
- 材料科学
- 纳米技术
- 流体力学
背景情况:
- 工业滑剂需要提高高性能应用的热性能.
- 化物纳米粒子有助于改善传热流体.
- 表面功能化对于纳米粒子分散和基本油的稳定性至关重要.
研究的目的:
- 系统地评估以贝兰油为基础的纳米流体的热和学特性.
- 研究化物 (BN),碳化物 (CN) 和碳化物 (BCN) 纳米粒子的影响.
- 评估纳米粒子度和温度对流体性能的影响.
主要方法:
- 合成和BN,CN和BCN纳米粒子的表面功能化.
- 制备不同度的纳米流体 (0.1-0.5%).
- 在不同温度 (25°C,35°C,50°C) 上测量热导率,对流热转移系数,比热容量和粘度.
- 使用FTIR,XRD,SEM,TEM和DLS进行表征.
主要成果:
- 化 (BN) 纳米流体实现了最高的导热增强 (14.92%在0.3%和50°C).
- 碳化物 (CN) 纳米流体表现出最显著的特定热容量增加 (25°C时为414%).
- 碳化物 (BCN) 在导热性和特定热量方面均有中度改善.
- 所有测试的纳米流体都显示出微不足道的粘度增加 (在50°C时<1%).
结论:
- 功能化的化物纳米颗粒有效地增强了以Behran油为基础的纳米流体的热性能.
- 在特定的热传递应用中,BN和CN纳米粒子显得有前途.
- 最小的粘度增加表明适用于高性能热系统和工业滑剂.
- 这些发现强调了化物纳米结构作为先进的滑剂添加剂的潜力.
更多相关视频
09:12Functionalization of Single-walled Carbon Nanotubes with Thermo-reversible Block Copolymers and Characterization by Small-angle Neutron Scattering
Published on: June 1, 2016
9.2K
07:32Pool-Boiling Heat-Transfer Enhancement on Cylindrical Surfaces with Hybrid Wettable Patterns
Published on: April 10, 2017
9.1K
相关概念视频
Comparing Intermolecular Forces: Melting Point, Boiling Point, and Miscibility
Intermolecular forces are attractive forces that exist between molecules. They dictate several bulk properties, such as melting points, boiling points, and solubilities (miscibilities) of substances. Molar mass, molecular shape, and polarity affect the strength of different intermolecular forces, which influence the magnitude of physical properties across a family of molecules.
Temporary attractive forces like dispersion are present in all molecules, whether they are polar or nonpolar. They...
Temporary attractive forces like dispersion are present in all molecules, whether they are polar or nonpolar. They...
Intermolecular Forces and Physical Properties
