基础与工程
管道压降计算：基本方程和指南
Explore the essentials of pipe pressure drop calculations, including key factors affecting pressure drop, commonly used equations, and practical tips for optimizing fluid transportation systems. Learn about software and tools that can assist in streamlining your calculations and enhance the efficiency of your projects. In this blog post, we discussed the importance of understanding pipe pressure drop calculations and their relevance across various industries. We introduced key factors affecting pressure drop, such as pipe diameter, length, flow rate, fluid properties, and pipe roughness. We also examined several equations for calculating pressure drop, including the Darcy-Weisbach, Hazen-Williams, and Colebrook-White equations, discussing their applicability and limitations.
HVAC 设计的最佳实践
In this blog post, we’ll discuss some of the key principles and best practices in HVAC design that every engineer should know. HVAC design is an essential aspect of creating comfortable and efficient indoor environments. As an HVAC-R engineer, understanding the principles of HVAC design is crucial for designing effective, reliable, and sustainable heating, ventilation, and air conditioning systems.
显热、潜热和总热
Sensible heat, latent heat, and total heat are important concepts in HVAC. Sensible heat is the heat that is transferred to or from a substance without causing a change in phase. Latent heat is the heat that is transferred to or from a substance during a phase change, such as from a liquid to a gas or from a gas to a solid. Total heat is the sum of sensible heat and latent heat.
HVAC 中的 R 值和 U 值
R-value and U-value are two important concepts in HVAC. R-value is a measure of a material’s resistance to heat flow, while U-value is a measure of its ability to transfer heat. The higher the R-value, the better the insulation, while the lower the U-value, the better the insulation.
HVAC 中的水流量计算
Water flow rate is an important parameter in the design and operation of HVAC systems. It is important to calculate the correct water flow rate to ensure that the system operates efficiently and effectively.
风冷式冷水机组与水冷式冷水机组：选择标准
Compare air-cooled vs. water-cooled chillers. Understand selection criteria to make the best choice for your cooling needs.
了解区域供暖：可持续城市应用的高效能源分配系统 - HVAC-R 专业人员的技术概述、安装、维护和标准
Discover the benefits of district heating in HVAC systems: efficient energy distribution, reduced costs, and integration with renewable sources for sustainable urban development.
冷却/加热系统的设计程序
Design Procedures for Cooling/Heating Systems: A Comprehensive 9-Step Approach
仅冷却系统的设计程序：8 步方法
Designing efficient cooling-only HVAC systems requires a structured approach to ensure optimal performance and appropriate equipment sizing. The following 8-step procedure provides a comprehensive framework for designing these systems, where peak cooling loads determine the airflow requirements for system components.
标准与合规性
HVAC 规范标准参考 – 一般：建筑分类和占用要求
Essential guide to HVAC code standards for building classifications and occupancy requirements. Learn how to apply NFPA 101 and ASHRAE 62.1 standards for proper system design and code compliance.
了解区域供暖：可持续城市应用的高效能源分配系统 - HVAC-R 专业人员的技术概述、安装、维护和标准
Discover the benefits of district heating in HVAC systems: efficient energy distribution, reduced costs, and integration with renewable sources for sustainable urban development.
ASHRAE 暖通空调设备预期寿命指南
Explore ASHRAE life expectancy of HVAC equipment and learn how it guides maintenance and replacement strategies for efficient building management.
数字工具和资源
HVAC-R Load Calculator: Your Essential Tool for Accurate System Sizing
Our new web-based calculator combines sophisticated engineering principles with an intuitive interface, making accurate load calculations accessible to everyone from students to seasoned professionals. Unlike basic square-footage estimators, our tool considers the multitude of factors that influence heating and cooling requirements.
Interactive Psychrometric Chart
The aim of this web app is to create an interactive psychrometric chart on which you can project a range of comfort metrics as well as mapping weather data or room air conditions calculated using EnergyPlus. You can add or remove lines for a range of different metrics or highlight them individually to assist with dynamic explanations or presentations.
HVAC-R Financing Made Simple: Introducing Our Smart Equipment Calculator
we’ve developed a comprehensive HVAC-R Equipment Financing Calculator that goes beyond basic loan calculations to include industry-specific considerations like energy savings, equipment efficiency, and available tax incentives
Download Weather Design Conditions (ASHRAE)
Discover ASHRAE Handbook weather stations with our comprehensive search tool. Optimize HVAC and equipment design, sizing, distribution, and installation for residential, commercial, and industrial applications. Enhance your energy-related projects across various sectors, including agriculture, by leveraging accurate climatic data.