Engineering & Knowledge - HVAC-R & Solar Engineering Resource

Linee guida per l'isolamento dei tubi

Learn the essential standards and best practices for proper pipe insulation to maximize thermal efficiency and prevent condensation in engineering systems.

Tubazioni del refrigerante – parte 2

Learn the critical steps and best practices for installing and maintaining refrigerant piping systems to ensure optimal HVAC performance and efficiency.

Calcoli di caduta di pressione del tubo: equazioni e linee guida essenziali

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

Calore Sensibile, latente E Totale

Master the core concepts of sensible, latent, and total heat to accurately analyze and design efficient HVAC systems.

Calcoli della portata dell'acqua negli impianti HVAC

Learn how to accurately perform water flow rate calculations to ensure optimal efficiency and performance in HVAC systems.

Processo di dimensionamento e selezione della valvola di espansione della refrigerazione

Proper expansion valve selection is critical for refrigeration system efficiency and reliability. This guide outlines the systematic approach to sizing and selecting expansion valves based

Dimensizzazione e selezione dell'evaporatore di refrigerazione

The evaporator is a critical component in any refrigeration system, serving as the heart of the cooling process. Proper sizing and selection of evaporators directly

Infiltration Rules Of Thumb

Learn the essential rules of thumb for calculating building infiltration to improve the accuracy of your HVAC load calculations and energy models.

Calcolatore del duttulatore e della perdita di pressione (attrito).

Streamline your HVAC design process with our comprehensive digital Ductulator and Pressure Loss Calculator. This all-in-one tool allows you to instantly convert duct shapes, determine optimal sizing based on friction or velocity constraints, and accurately calculate total pressure loss and airflow rates for complex ductwork systems.

Calcolatore della miscelazione dell'aria

Accurately determine the final thermodynamic state of combined airstreams. Input flow rates and air properties to instantly calculate mixed air conditions, streamlining AHU fresh-air and return-air mixing design.

Calcolatore del deficit di pressione del vapore (VPD).

Optimize humidity control for HVAC, greenhouse cultivation, and agricultural drying. Use this Vapor Pressure Deficit (VPD) calculator to accurately determine moisture potential, enabling better transpiration rates, crop yield optimization, and precise environmental management.

Calcolatore dello stato psicrometrico

Instantly determine the complete psychrometric state of moist air using just two inputs. Enter dry-bulb temperature alongside any single humidity parameter to automatically calculate dew point, wet-bulb, relative humidity, enthalpy, specific volume, and density for precise HVAC design and analysis.

Calcolatore delle dimensioni del plenum

Free online plenum box size calculator for HVAC engineers. Enter airflow (CFM or m³/h) and target velocity to instantly get recommended width, height, length, and depth for supply and return plenum boxes, based on ACCA Manual D sizing practice.

Calcolatore per il dimensionamento del serbatoio di espansione

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.

Ingegneria E Conoscenza

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