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.
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コード標準リファレンス - 一般：建物の分類と占有要件
分類と占有の要件を構築するためのHVACコード標準への本質的なガイド。適切なシステム設計とコードコンプライアンスのために、NFPA 101およびASHRAE 62.1標準を適用する方法を学びます。
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。
HVAC機器の寿命に関するASHRAEガイドライン
Explore ASHRAE life expectancy of HVAC equipment and learn how it guides maintenance and replacement strategies for efficient building management.
デジタルツールとリソース
トレーンエアコンクリニックブック
These clinics are comprehensive and detailed courses used to educate on the fundamentals heating, ventilating, and air conditioning (HVAC). Each clinic includes a student workbook, with corresponding quiz questions/problems.
Carrier Technical Development Programs (Tdp) Books
Technical Development Programs (TDP) are modules of technical training on HVAC theory, system design, equipment selection and application topics. They are targeted at engineers and designers who wish to develop their knowledge in this field to effectively design, specify, sell or apply HVAC equipment in commercial applications.
Rhvac – 住宅用空調負荷とダクト サイズ
Rhvac can calculate peak heating and cooling loads (both block and room by room) for residential buildings and some light commercial applications in accordance with ACCA Manual J, D, and S. Rhvac include a complete ACCA Manual D duct sizing capability and a complete Manual S equipment selection.
冷媒容器の色
This guideline is intended for the guidance of the industry, including manufacturers, engineers, installers, contractors and users.
Refrig – Refrigeration Box Loads
Refrig quickly calculates the maximum refrigeration load in btu’s per 24 hour period for all types of refrigeration applications. Refrig has provision for all kinds of loads including: roofs, walls, partitions, floors, products, containers, infiltration, lights, equipment, people, defrost, compressor run-time, and more.
3E Plus Software
NAIMA’s FREE 3E Plus® software program makes it easy to calculate the appropriate insulation thickness necessary for any application. To ensure accuracy, the program has customizable inputs for every aspect of your job—and offers default values if your exact numbers aren’t available.
Refrigerants P-H Diagram
The pressure-enthalpy diagram (log P/h diagram) is a very useful tool for refrigerant technicians, engineers and researchers. Since it’s not always possible to have all of these diagrams together, we decided to give you this complete pack.
Hvacr Equipment Life Expectancy
Below you can see ASHRAE chart of HVAC Equipment Life Expectancy. The chart includes a list of median life expectancy for the following types of equipment: