Heat Exchanger Engineering Blog

Learn the essential principles of heat exchanger sizing, including LMTD method, NTU-effectiveness approach, and key design parameters for optimal thermal performance.

Comprehensive guide to designing finned tube heat exchangers for HVAC and refrigeration applications, including fin efficiency, tube patterns, and air-side correlations.

Step-by-step guide to sizing DX evaporator coils, including superheat control, refrigerant selection, and capacity matching for commercial refrigeration.

Learn how to design efficient air-cooled condensers, including desuperheating, condensing, and subcooling zones with practical examples.

Complete guide to selecting and sizing chilled water coils for air handling units, including water flow rates, glycol effects, and dehumidification analysis.

In-depth guide to calculating heat transfer coefficients for various flow regimes, including single-phase, two-phase, and condensation correlations.

Comprehensive guide to calculating pressure drops on both tube-side and air-side of heat exchangers, including friction factors and minor losses.

Understanding fouling mechanisms, their impact on heat exchanger performance, and practical strategies for prevention and cleaning.

Comprehensive comparison of refrigerants for heat exchanger applications, including environmental impact, thermodynamic properties, and safety considerations.

Advanced guide to optimizing coil circuiting for evaporators and condensers, including refrigerant distribution, pressure drop balancing, and thermal performance.

Understand why copper tubes with aluminum fins dominate HVAC heat exchanger design. Explore thermal conductivity, corrosion resistance, manufacturing advantages, and cost-effectiveness.

Master the process of selecting and sizing heat exchanger coils for air handling units (AHUs). Covers cooling coils, heating coils, face velocity, and performance optimization.

Deep dive into wet coil heat transfer analysis using the enthalpy potential method. Learn how cooling coils remove moisture, calculate latent capacity, and optimize dehumidification performance.

Explore how the transition to low-GWP refrigerants like R-32, R-454B, and R-290 affects heat exchanger sizing, materials, and safety requirements in HVAC and refrigeration systems.

Learn how 3D CAD modeling, CFD simulation, and thermal analysis software are transforming heat exchanger design. Explore the workflow from conceptual design to manufacturing-ready models.

Practical guide to maintaining finned tube heat exchangers in HVAC systems. Covers cleaning methods, fouling prevention, inspection schedules, and performance monitoring techniques.