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 ...

Calculating the IRR for a project with an initial outlay and single cash flow is very easy to do. It's also very practical for measuring the returns on investments in collectibles, commodities, ...

Turnover is vanity, profit is sanity, and cash flow is reality. Cash is the lifeblood of a healthy business. Check how you’re doing with our cash flow calculator. Even the most profitable companies ...

Replacing worn-out couplings with the incorrect size can cause unintended consequences. Flow velocity is an important consideration when replacing a larger hydraulic hose inside diameter with a ...