الهندسة والمعرفة


المعايير والامتثال

تصميم قناة HVAC: خسارة الاحتكاك في تجهيزات القناة

Duct fittings friction loss represents critical HVAC design calculations that determine pressure drops through elbows, tees, transitions, and other directional changes within ductwork systems. Professional engineers utilize

تصميم قناة HVAC: قناة جولة إلى ما يعادلها مستطيلة

Round to rectangular duct equivalency represents a fundamental HVAC design calculation that enables engineers to convert between circular and rectangular ductwork while maintaining equivalent airflow characteristics and

تصميم قناة HVAC: فقدان احتكاك القناة

Duct friction loss represents a fundamental HVAC design calculation that determines pressure drop through straight ductwork sections due to air friction against duct surfaces. Professional engineers utilize

تصميم قناة HVAC: تصنيف ضغط القناة

Duct pressure classification represents a fundamental HVAC design principle that establishes construction standards based on the operating static pressure within ductwork systems. Professional engineers utilize SMACNA pressure

تصميم قناة HVAC: تحجيم القناة حسب معايير السرعة والضوضاء (NC)

Duct sizing by velocity and noise criteria (NC) represents a fundamental HVAC design methodology that determines appropriate duct dimensions based on maximum acceptable air velocities and noise

تصميم قناة HVAC: تحجيم القناة بواسطة طريقة الاحتكاك المتساوي

The Equal Friction Method represents a fundamental HVAC duct sizing approach that maintains constant pressure loss per unit length throughout the main duct runs, providing a systematic

تصميم قنوات التدفئة والتهوية وتكييف الهواء: توصيات SMACNA لتحجيم مجاري الهواء

SMACNA (Sheet Metal and Air Conditioning Contractors’ National Association) duct sizing recommendations represent fundamental HVAC design methodologies for calculating appropriate duct dimensions to deliver required airflow while

تصميم تهوية HVAC: ضغط الدرج + حجم فتحة التهوية

Staircase pressurization and relief vent sizing represent critical life safety HVAC design requirements for maintaining protected egress routes during fire emergencies through systematic air pressurization and controlled

تصميم التهوية HVAC: معدلات تهوية منطقة التبغ/التدخين

Tobacco and smoking area ventilation represents specialized HVAC design requirements for controlling cigarette smoke, odors, and harmful contaminants to protect non-smoking occupants while accommodating designated smoking spaces.

تصميم التهوية HVAC: تهوية الهواء العادم حسب المعدل و ACH

Exhaust air ventilation requirements represent essential design parameters for maintaining indoor air quality by removing contaminated air, moisture, odors, and pollutants from building spaces. Professional standards provide


الأدوات والموارد الرقمية

حاسبة حجم خزان التمدد

Size bladder, diaphragm, or plain-steel expansion tanks for closed hydronic systems in seconds. This calculator applies thermal-expansion and pressure-ratio principles from Steven T. Taylor’s ASHRAE-referenced sizing method and the ASME Boiler and Pressure Vessel Code, Section VI, to compute the minimum required tank acceptance volume for hot water, chilled water, and mixed-temperature systems. Supports US and SI units, all four major tank styles, an optional piping-expansion credit, and a built-in ASME/UMC/IMC cross-check for 170–230°F systems — with clear pass/warning/invalid status and next-step guidance for tank selection and precharge verification.

نصف القطر الحرج للعزل حاسبة

Determines the critical radius (and critical thickness) of insulation for a cylinder or sphere — the outer radius at which heat loss is maximum — and compares heat‑loss rates before and after insulation.

حاسبة HVAC Equipman

لقد أنشأنا آلة حاسبة متوقعة معدات HVAC احترافية. يوفر التطبيق حسابات شاملة لتحديد العمر الإنتاجي المتبقي لأنواع معدات HVAC المختلفة.

حلول برامج BIM لتطبيقات HVAC الحديثة

As the HVAC industry continues to evolve in 2025, Building Information Modeling (BIM) has become an indispensable tool for professionals seeking to optimize design, installation,

McQuay Postwares Download

Explore a comprehensive guide on locating and downloading McQuay software tools to streamline your HVAC system design and selection processes.

برامج Bell & Gossett Selection

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

أدوات الأنابيب (ملفات Excel)

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

ملفات Daikin Revit

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

Cooltools تنزيل البرامج

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.

مخطط درجة الحموضة في التبريد (الجزء 2)

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