基礎とエンジニアリング
Design Procedures for Heating-Only Systems: An 8-Step Methodology
Designing effective heating-only HVAC systems requires a methodical approach that ensures adequate capacity while avoiding oversizing. The following 8-step procedure provides a comprehensive framework for designing these systems, focusing on peak heating loads to determine appropriate equipment sizing.
HVAC システムにおけるスペースおよびゾーンのエアフロー サイズの計算
Following our previous discussion on the systematic 9-step procedure for designing cooling and heating systems, it’s essential to understand the technical aspects of airflow sizing
冷却のみのシステムの設計手順：詳細な気流計算方法論
this technical supplement provides detailed insights into the critical airflow calculation methods essential for Step 3: Calculate Required Zone and Space Supply Airflow Rates. Understanding these calculation approaches enables engineers to select the most appropriate sizing method for specific project requirements.
暖房のみのシステムの設計手順：気流の計算方法と技術的な考慮事項
Proper airflow calculations are essential for system performance, ensuring thermal comfort while optimizing energy efficiency. Understanding the mathematical foundation behind these calculations enables engineers to make informed decisions when selecting the most appropriate sizing method for specific project requirements.
Refrigeration Expansion Valve Sizing and Selection Process
冷凍膨張バルブの適切な選択とサイジングは、複数のパラメーターを慎重に検討する必要がある体系的なプロセスです。適切な拡張バルブを選択するには、システムの要件を理解し、正しい容量の計算、およびサブ冷却や圧力低下などの動作条件の会計が含まれます。
冷凍蒸発器のサイズと選択
蒸発器のサイズと選択は、冷凍システム設計における重要な要素を表します。このプロセスには、冷却負荷だけでなく、システム統合、冷媒特性、アプリケーション要件、エネルギー効率の目標も考慮した系統的なアプローチが必要です。
Lighting Rules Of Thumb (HVAC)
Using lighting rules of thumb for final design of HVAC and lighting.
侵入の経験則
The infiltration rate is the volumetric flow rate of outside air into a building, typically in cubic feet per minute (CFM) or liters per second (LPS). The air exchange rate, (I), is the number of interior volume air changes that occur per hour, and has units of 1/h.
The Geometry Behind Solar Energy Calculations
Solar Geometric Angles are all critical to the calculation of solar energy on any given surface at some orientation. To calculate the energy balance across any time scale with respect to the incident solar radiation, you must know the geometric relationships that define the spherical realities of planetary motion relative to the sun for specific tilted surfaces on the planet.
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：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
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: