How Do You Spell HEAD RACE?

Pronunciation: [hˈɛd ɹˈe͡ɪs] (IPA)

The word "head race" is a term used in rowing to refer to a race that starts at the head of a river or other body of water. The spelling of this word can be explained using the International Phonetic Alphabet (IPA) as /hɛd reɪs/. The first syllable is pronounced with a short "e" sound, followed by the "d" consonant sound. The second syllable is pronounced with a long "a" sound followed by the "s" consonant sound. Proper spelling and pronunciation of this term is important for effective communication within the rowing community.

HEAD RACE Meaning and Definition

1. A head race refers to a channel or canal that diverts water from a river or stream towards a water turbine in order to generate hydroelectric power. It is a crucial component of a hydroelectric power plant and plays a vital role in ensuring the efficient and continuous flow of water to the turbines.

   The head race is typically a long, narrow waterway constructed with sturdy concrete or steel walls to contain the flowing water. Its purpose is to maintain the necessary head – the vertical distance between the water level at the intake and the level at the turbine – which enables the conversion of potential energy into mechanical energy and eventually into electrical energy.

   The length and design of the head race are determined by factors such as the distance between the water source and the power plant, the topography of the area, and the required velocity of the water flow. It often includes various structures, such as intake gates, weirs, and screens, to regulate the water inflow and prevent debris or sediment from entering the turbines. Additionally, the head race may incorporate velocity-regulating devices, such as nozzles or penstocks, to control the speed and pressure of the water flow.

   In summary, a head race is a specially designed canal or channel that channels water from a river or stream to a hydroelectric power plant, ensuring a continuous and controlled flow to the turbines for electricity generation.

Etymology of HEAD RACE

The term "head race" has its roots in rowing and has a fairly literal etymology.

The word "head" in this context refers to the "head" or beginning of a river or a stretch of water, which is typically calm and still, especially compared to the faster-moving currents downstream. This calmer part of the river is where rowing races are usually started, as it provides a fair and controlled environment for competition.

On the other hand, the word "race" refers to the competitive event itself, where rowing crews or individuals compete against each other to determine the fastest over a certain distance.

Therefore, "head race" refers to a rowing event that takes place on the tranquil and still "head" or starting point of a river, in which crews or individuals "race" against each other over a specified distance.