This spreadsheet will calculate the flow rate through a submerged rectangular orifice for specified, orifice height, orifice width, head of liquid upstream of orifice, and orifice discharge coefficient.  Calculations are in U.S. units

This is a custom spreadsheet for industrial water supply calculations with up to 50 equipment feeds.

This is a custom spreadsheet to estimate the rate of natural gas leakage through a small slit in the pipe wall

This custom spreadsheet calculates the rate of heat loss in Watts/ft from a pipeline based on user input values for the desired maintenance temperature, min. design ambient temperature, inside diam of insulation, outside diam of insulation, thermal conductivity of the insulation, and % safety factor.

This is a custom spreadsheet update to estimate the vapor composition above the liquid in a solvent tank.

This is a custom spreadsheet for 3 inch Parshall flume and 60 degree V-Notch weir calculations

This is an update to a Spa-Pool Hydraulics Workbook

This is a custom spreadsheet for making calculations of cooling rates for a hydronic cooler including calculation of the cooling rates in Btu/sq ft/hr and calculation of the cooling rates for a metal plate attached to the pipes and a thin layer of drywall attached to the front of the plate.

This spreadsheet calculates the flow coefficient for an adjustable choke valve and also calculates the liquid flow rate through the valve for specified pressure difference and liquid specific gravity.

This custom spreadsheet is set up to calculate an estimated propane gas leakage rate through soil above a pipeline due to a hole in the pipe.

This custom spreadsheet can be used to calculate an estimated flow rate and velocity of copper concentrate fluid through a small hole in a pipe wall.

A custom Excel spreadsheet workbook that includes a worksheet for Post-Anoxic Denitrification with an SBR Reactor.