HVAC Buddy® Duct Calc|不限時間玩商業App

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玩商業App|HVAC Buddy® Duct Calc免費|APP試玩

The best and number one selling duct sizing tool for Android devices with thousands of happy users. For less than the cost of a cardboard wheel ductulator always have a fast, accurate way to analyze ducts for design (by Airflow) or existing installations (by Size).

Airflow Tab

• Calc decimal & rounded sizes for any aspect ratio

• Solve for Volume, Aspect Ratio, Friction, or Velocity

Size Tab

• Calc Friction and Velocity given duct size

Settings Tab:

玩商業App|HVAC Buddy® Duct Calc免費|APP試玩

• Enter various units - Airflow (cfm, m3/s, l/s, m3/hr) Friction (in/100', Pa/30m), Duct Sizing (in, cm), Velocity (ft/min, m/s)

• Define standard air - Altitude (ft, meter), Temperature (Fahrenheit, Celsius), Relative Humidity (pct)

• Displays calculated Kinematic Viscosity (ft2/s) and Specific Volume (ft3/lb)

Material Types:

• PVC

• Aluminum

玩商業App|HVAC Buddy® Duct Calc免費|APP試玩

• Galvanized Steel

• Spiral Steel

• Smooth Liner

• Fiber Liner

• Flex Duct

Duct Shapes:

• Round

玩商業App|HVAC Buddy® Duct Calc免費|APP試玩

• Rectangular

• Oval

Duct Sizing

• Round to Even Units

• Round to Odd Units

Calculations are based on friction loss equations in the ASHRAE Handbook of Fundamentals 2009.

玩商業App|HVAC Buddy® Duct Calc免費|APP試玩

Review Notes

-----------------------------------------

A 12x12 duct matches FPM and CFM when friction is ignored which does not happen in real life. This relationship changes based on the properties of air (see kinematic viscosity on the settings tab) and on the friction value determined via the type of duct selected. Also, for the times when you want to get friction given CFM and Duct use the "Airflow" tab, select the "ft/min" checkbox and move the slider accordingly. There are many ways to drive the open variable.

Accuracy:

-----------------------------------------

Calculations have been verified against ASHRAE fundamentals and several other references. There are more input criteria (such as duct material) than velocity, friction, and size mentioned in the review which the reviewer may not have taken into consideration. Use the Support email link for any questions or concerns.

About Powertrade

玩商業App|HVAC Buddy® Duct Calc免費|APP試玩

--------------------------

Powertrade is the number one developer of mobile HVAC apps with professional looking, proven apps in the hands of over 20,000 users worldwide.

Powertrade HVAC Buddy® Applications:

-------------------------

NEW!

HVAC Buddy® Load Calc - Improve accuracy when sizing equipment, demonstrate professionalism on the job, and add substance to your proposals by using our heat loss and heat gain calculation app.

玩商業App|HVAC Buddy® Duct Calc免費|APP試玩

HVAC Buddy® Load Calc (Apple) - Also available on iOS devices - iPhone, iPad

HVAC Buddy® - Refrigerant charging and diagnostics.

HVAC Buddy® Pressure Temperature - Traditional PT Chart with 71 Refrigerants in Metric or Imperial units

玩商業App|HVAC Buddy® Duct Calc免費|APP試玩

HVAC Buddy® Duct Calc 線上APP手遊玩免費

不限時間玩HVAC Buddy® Duct Calc App免費

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掃描HVAC Buddy® Duct Calc QRCode 下載App

掃描HVAC Buddy® Duct Calc 商業 QRCode 下載App-APP試玩
App國家分佈App支援系統App上架版本費用評價App上架時間更新時間
台灣 TaiwanAndroid
Google Play
1.3
下載 App
NT$299.07.52013-03-152015-03-23
未知Android
Google Play
1.3
下載 App
$9.997.52013-03-152015-09-26
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