Oil field operators can use several practical equations for calculating flow rates of natural gas through venturi gas-lift valves. For critical flow, this analysis derived such equations from a ...

A method has been developed that allows direct, accurate calculation of recovery efficiency for Claus sulfur-recovery units (SRU). The calculation combines feed-gas data and tail-gas composition to ...

A company's cash flow equals the cash coming into the business minus the cash going out. If you know your business' cash flow for a period that is shorter than a year, such as a month or quarter, you ...

Jason Fernando is a professional investor and writer who enjoys tackling and communicating complex business and financial problems. Khadija Khartit is a strategy, investment, and funding expert, and ...

IRR measures the rate needed to break even on an investment. Calculate IRR by setting NPV to zero and solving for the discount rate. Use Excel's IRR function by inputting initial cost and cash inflow.

Free cash flow is a measure that helps business owners, investors and others assess a business’s financial performance and outlook. Free cash flow is defined as operating cash flow minus capital ...

A discounted cash flow, or DCF, analysis measures the value of a business or project, such as a new factory for your small business. This value equals the sum of all of the project's future annual ...

This is the second of eight articles from our Nozzle Knowledge Series. Prefer to watch a video, click here. Flow rate, the volume of water passing through a nozzle, per unit of time, is clearly an ...