مهندسی و دانش

اصول و مهندسی

خنک کننده مایع مستقیم به تراشه: آینده مدیریت حرارتی مرکز داده با چگالی بالا

AI-driven power densities have exploded from 4 kW to 30+ kW per rack, pushing traditional air cooling past its limits. This guide breaks down single-phase and two-phase direct-to-chip cooling architectures, compares low-GWP refrigerant options like R-1233zd(E) and R-1336mzz(Z) against safety and pressure trade-offs, and covers the hose, tubing, and quick-disconnect design choices engineers need to specify reliable, sustainable thermal management for high-density GPU and CPU clusters.

متعادل کننده جریان هوای کانال

Learn the essential techniques for balancing ductwork air flow to maximize HVAC efficiency and ensure consistent indoor comfort.

سیستم ها و تجهیزات اصلی تهویه مطبوع

Master the essentials of selecting, sizing, and operating major HVAC systems and equipment for optimal building performance.

دانلود کتابچه راهنمای سردخانه کوپلند

Access our comprehensive collection of Copeland Refrigeration Manuals to streamline your equipment installation, system maintenance, and engineering fundamentals.

سیستم های ذخیره سازی یخ

Explore the principles and engineering behind ice storage systems to efficiently manage thermal energy and optimize HVAC performance.

Expansion Tank Sizing Formulas

Learn the essential formulas and step-by-step methods required to accurately size an expansion tank for hydronic heating and cooling systems.

4-Pipe And 2-Pipe Heating And Cooling Plants

Learn the core differences between 4-pipe and 2-pipe heating and cooling plants to determine the most efficient system design for your building’s HVAC needs.

Water Tube Versus Fire Tube Boilers

Learn the key differences between water tube and fire tube boilers to choose the right system for your industrial steam and heating needs.

سردخانه لوله مویرگی

Learn the fundamental principles and engineering behind capillary tube refrigeration systems to effectively optimize cooling performance and efficiency.

فرمول ها و محاسبات تبرید

Master essential refrigeration formulas and calculations to solve fundamental engineering challenges efficiently.


استانداردها و انطباق

طراحی تهویه HVAC: حداقل فاصله جداسازی ورودی هوا

Air intake minimum separation distance represents critical design criteria for ensuring adequate outdoor air quality by maintaining appropriate distances between fresh air intakes and potential contamination sources.

HVAC Load Estimation: Diversity Factor

Diversity factor represents a critical design parameter in HVAC load calculations, accounting for the statistical probability that all heat-generating components in a building will not operate simultaneously

HVAC Load Estimation: Infiltration Heat Gain and Loss

Infiltration represents uncontrolled air exchange between outdoor and indoor environments, significantly impacting both heating and cooling loads in all building types. Accurate infiltration estimation is essential for

HVAC Load Estimation: Internal Heat Gain from Equipment and Appliances

Equipment and appliances represent significant internal heat sources in modern buildings, often comprising the largest component of cooling loads in commercial and industrial facilities. Accurate estimation of

HVAC Load Estimation: Internal Heat Gain from People and Occupants

Internal heat gain from people represents a significant component of HVAC cooling loads, particularly in high-occupancy buildings. Accurate estimation of occupant heat gain is essential for proper

HVAC Load Estimation: Glazing U-Values and Shading Coefficient (SC) Values

Fenestration thermal and solar properties are critical parameters in HVAC load calculations, significantly impacting both heating and cooling loads. Understanding glazing U-values and shading coefficients is essential

HVAC Load Estimation: Construction U-Values for Walls, Roofs, and Partitions

Building envelope thermal properties form the backbone of HVAC load calculations, directly determining heat transfer rates and system sizing requirements. Accurate U-value determination is essential for

HVAC Psychrometric Processes: Charts, Calculations, and Air Treatment Applications

Psychrometric processes form the scientific foundation of HVAC system design, enabling engineers to analyze air conditions and design effective air treatment systems. Understanding these processes is essential

HVAC Design Equations: Air, Fan, Pump, and Hydronic System Calculations

HVAC engineers rely on fundamental equations to design, size, and optimize mechanical systems. These mathematical relationships form the backbone of proper system design, ensuring accurate performance predictions

ASHRAE Guidelines on HVAC Equipment Life Expectancy

Learn how to apply ASHRAE guidelines on HVAC equipment life expectancy to optimize your building’s maintenance schedules and replacement budgeting.


ابزارها و منابع دیجیتال

نرم افزارهای انتخاب بل و گوست

Streamline your HVAC system design process by exploring the advanced capabilities and features of Bell & Gossett selection softwares.

Piping Tools (Excel Files)

Access and download essential piping tools in Excel format to streamline your engineering and design calculations.

Daikin Revit Files

Access and download Daikin Revit files to seamlessly integrate accurate 3D BIM models into your HVAC design and engineering workflows.

Cooltools Software Download

CoolTools is modern adaptation of CoolPack. CoolTools is a collection of simulation models for refrigeration systems and each of them has a specific purpose e.g. cycle analysis, sizing of main components, energy analysis and optimization.

Refrigerant Ph Diagram (Part 2)

Learn how to effectively read and utilize a refrigerant pressure-enthalpy (Ph) diagram to analyze and optimize HVAC system performance.

Coolselector Download

Coolselector®2 (from Danfoss company) helps to optimize energy consumption and increase efficiency in any HVACR system. Run unbiased calculations based on a set of operating conditions — such as cooling capacity, refrigerant, evaporation, and condensation temperature — and then select the best components for your design.

Air Conditioning Condensate calculator

Learn how to accurately determine HVAC drainage requirements with our easy-to-use Air Conditioning Condensate calculator.

Pipe Pressure Drop Calculations: Essential Equations and Guidelines

Learn how to accurately calculate pipe pressure drops using essential equations and guidelines to ensure optimal fluid flow and system efficiency.

mcquay duct sizer Download

Learn how to download and use the McQuay Duct Sizer software to simplify your HVAC ductwork design and airflow calculations.

ساخت ماشین حساب های کانال هوا

Learn how to build and utilize custom air-duct calculators to simplify your HVAC design and airflow computations.