Journal of Heat Transfer: Modeling and Analysis of Conjugate Heat Transfer in a Microchannel Heat Sink
In the field of heat transfer, microchannel heat sinks have gained significant attention due to their potential in cooling high heat flux electronic devices. This study aims to investigate the conjugate heat transfer in a microchannel heat sink using modeling and analysis techniques.
The microchannel heat sink consists of a series of microchannels through which a coolant flows to carry away the heat generated by the electronic device. The conjugate heat transfer in this system involves the interaction of thermal conduction within the solid material of the heat sink and convective heat transfer between the solid and fluid phases. Understanding and modeling this complex heat transfer process is crucial for optimizing the performance of microchannel heat sinks.
Through numerical simulations and experimental validation, the heat transfer characteristics of the microchannel heat sink are analyzed. The temperature distribution within the solid material and the fluid flow velocity profiles are investigated to gain insights into the thermal behavior of the system. The results provide valuable information for the design and optimization of microchannel heat sinks for practical applications.
International Journal of Heat and Mass Transfer: Thermal Performance of Nanofluids in Heat Transfer Systems
Nanofluids, which are suspensions of nanoparticles in a base fluid, have shown promising potential for enhancing heat transfer performance in various thermal systems. This study focuses on the thermal performance of nanofluids and their application in heat transfer systems.
The addition of nanoparticles to the base fluid alters its thermophysical properties, such as thermal conductivity and heat capacity, leading to improved heat transfer characteristics. By conducting experiments and numerical simulations, the heat transfer enhancement using nanofluids in different heat transfer systems, such as heat exchangers and solar collectors, is analyzed.
Furthermore, the influence of nanoparticle concentration, size, and material on the heat transfer behavior of nanofluids is investigated. The results provide valuable insights into the potential applications of nanofluids for enhancing the thermal performance of heat transfer systems in various engineering fields.
Heat Transfer Engineering: Heat Transfer Enhancement Techniques in Shell-and-Tube Heat Exchangers
Shell-and-tube heat exchangers are widely used in various industrial processes for efficient heat transfer between two fluids. This study focuses on the investigation of heat transfer enhancement techniques in shell-and-tube heat exchangers to improve their thermal performance.
Several heat transfer enhancement methods, such as the use of passive and active enhancement techniques, are analyzed for their impact on the heat transfer efficiency of shell-and-tube heat exchangers. Passive techniques include the use of enhanced surfaces, while active techniques involve the use of longitudinal or transverse vortex generators to promote fluid mixing and heat transfer.
Numerical simulations and experimental studies are conducted to evaluate the effectiveness of these heat transfer enhancement techniques. The results provide valuable guidelines for the design and optimization of shell-and-tube heat exchangers to meet specific industrial requirements for efficient heat transfer.
