エンジニアリングと知識

基礎とエンジニアリング

パイプ圧力降下計算:必須式とガイドライン

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.

データセンター向けの HVAC システムの最適化: 重要な考慮事項

Efficient and reliable HVAC systems are crucial for data center operations. This article covers the key aspects of HVAC system design for data centers, including load calculations, air distribution strategies, cooling system options, humidity control, and integration with building automation systems. By addressing these considerations, data center operators can ensure optimal performance and minimize the risk of equipment failure or downtime.

HVAC 設計のベスト プラクティス

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.

Sensible, Latent, and Total Heat

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.

R-Value and U-Value in HVAC

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 における水流量の計算

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.

空冷チラーと水冷チラー: 選択基準

Compare air-cooled vs. water-cooled chillers. Understand selection criteria to make the best choice for your cooling needs.

地区の暖房の理解:持続可能な都市アプリケーションのための効率的なエネルギー分布システム - HVAC-Rの専門家の技術的概要、設置、メンテナンス、および標準

HVACシステムにおける地区暖房の利点を発見する:効率的なエネルギー分布、コストの削減、および持続可能な都市開発のための再生可能源との統合。

冷却/加熱システムの設計手順

Design Procedures for Cooling/Heating Systems: A Comprehensive 9-Step Approach

冷却専用システムの設計手順: 8 ステップの方法論

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.


標準とコンプライアンス

HVAC Load Estimation: Internal Heat Gain from Infrastructure Components (Pipes, Ducts, Tanks, AC Motors)

Complete guide to internal heat gain from HVAC infrastructure components including pipes, ducts, tanks, and motors using Carrier standards for accurate load estimation and system design.

HVAC 負荷の推定: 機器および家電製品からの内部熱利得

Complete guide to internal heat gain from equipment and appliances in HVAC load estimation using ASHRAE, CIBSE, and Carrier standards for accurate system sizing and equipment integration.

HVAC 負荷の推定: 照明からの内部熱利得

Complete guide to internal heat gain from lighting systems in HVAC load estimation using ASHRAE, CIBSE, and Carrier standards for accurate system sizing and lighting-HVAC integration.

HVAC負荷推定:人と居住者からの内部熱ゲイン

Complete guide to internal heat gain from people and occupants in HVAC load estimation using ASHRAE, CIBSE, Carrier, and NFPA standards for accurate system sizing and design.

HVAC負荷推定:グレージングU値とシェーディング係数(SC)値

Complete guide to glazing U-values and shading coefficients for HVAC load estimation using ASHRAE, CIBSE, and Carrier standards for accurate fenestration thermal and solar analysis.

HVAC負荷推定:壁、屋根、パーティションの構造U値

Complete guide to construction U-values for walls, roofs, and partitions in HVAC load estimation using ASHRAE, CIBSE, and Carrier standards for accurate thermal analysis.

HVAC 乾湿プロセス: チャート、計算、および空気処理アプリケーション

Complete guide to psychrometric processes in HVAC design covering sensible/latent cooling, heating, humidification, dehumidification, and evaporative cooling using ASHRAE and CIBSE standards.

HVAC 冷暖房負荷の推定: 屋外条件と気候データ

Comprehensive guide to outdoor climate data for HVAC load estimation using ASHRAE, CIBSE, and Carrier standards. Essential weather parameters for accurate system sizing and energy analysis.

HVACシステムの選択と設計戦略:専門的な基準とガイドライン

Ashrae、Smacna、およびCarrier Standardsを使用したHVACシステムの選択および設計戦略に関する包括的なガイド。最適なシステム選択とパフォーマンスの最適化のための専門的な方法論を学びます。

HVACデザイン方程式:空気、ファン、ポンプ、および水素システムの計算

空気、ファン、ポンプ、および水素システムの計算をカバーする必須HVAC設計方程式の包括的なガイド。 Smacna、Ashrae、およびCarrier for Professional Engineeringアプリケーションの参照基準。


デジタルツールとリソース

HVAC-R 負荷計算ツール: 正確なシステムのサイジングに不可欠なツール

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.

インタラクティブな乾湿チャート

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.